KabuK Style Inc. の全ての求人一覧

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About KabuK Exchange> KabuK Style is building KabuK Exchange, also known as KBKx, a B2B2B travel distribution platform designed to connect Japanese hotel supply with global demand channels, while also supporting redistribution of wholesaler inventory across multiple travel products. The platform will support hotels, travel suppliers, channel managers, distributors, internal products, and future white-label services. Our goal is to build reliable travel distribution infrastructure that can scale across Japan, Asia, and global demand markets. ------------------------------------------- <About the Role> We are looking for a Backend Engineer, Platform to help build and maintain the backend services that power KabuK Exchange. This role is ideal for an engineer who has solid backend development experience and wants to grow by working on real platform systems, APIs, integrations, pricing, billing, payments, booking workflows, and travel distribution infrastructure. You will work closely with senior backend engineers, engineering leads, product managers, QA, and external development partners. You will contribute to production services while learning how to design reliable, maintainable, and scalable backend systems in a complex B2B2B travel platform. ------------------------------------------- <Team> This role may work across one of the following platform areas depending on business needs and candidate strengths: ▼Supply & Distribution Platform This team owns the systems that connect hotel supply to demand channels reliably, accurately, and at scale. The team’s scope includes: - Supplier integrations - Channel manager integrations - Distributor APIs - PMS/extranet distribution controls - Availability and rate ingestion - Rate and availability normalization - Booking and reservation operational lifecycle - Partner API contracts - Distribution eligibility rules - Hotel onboarding technical flows ▼Commerce Platform This team owns the systems that ensure every price, booking, payment, invoice, and ledger event is commercially correct and auditable. The team’s scope includes: - Pricing Service - Billing - Payments - Ledger - Reconciliation - Supplier payables - Distributor receivables - Refunds and adjustments - Credit limits - Commercial reporting inputs - Financial auditability ------------------------------------------- <What You'll Work On> Depending on team assignment, you may contribute to backend services related to: - Internal APIs and service-to-service communication - Supplier and partner integrations - Booking and reservation workflows - Pricing and margin calculation workflows - Billing and payment workflows - Invoice and reconciliation support - PMS and extranet backend functionality - Data mapping and API normalization - Error handling, retries, and monitoring - Backend testing and production issue investigation - Operational tools for internal teams You will help improve the reliability, maintainability, and scalability of platform services as KabuK Exchange moves from MVP toward external launch and growth. ------------------------------------------- <Responsibilities> - Build, maintain, and improve backend services for the KabuK Exchange platform. - Develop and maintain APIs used by internal services, frontend applications, and external partners. - Implement features based on product requirements and technical designs. - Work with senior engineers to understand system architecture, service boundaries, and data models. - Debug backend issues across APIs, databases, integrations, and platform workflows. - Write clean, maintainable, and testable code. - Participate in code reviews and improve based on feedback. - Collaborate with QA to verify backend behavior and resolve defects. - Help improve logging, monitoring, error handling, and operational reliability. - Document technical behavior, API changes, and implementation details when needed. - Support production readiness as the platform scales. ------------------------------------------- <What Success Looks Like> In this role, success means you are able to: - Deliver backend features with good quality and reliability. - Understand business requirements and translate them into working backend functionality. - Contribute to APIs, services, integrations, and data workflows with increasing independence. - Work effectively with senior engineers and product stakeholders. - Identify edge cases, defects, and operational risks early. - Improve your technical judgment and grow toward senior-level ownership over time. ------------------------------------------- <Why Join Us> This is an opportunity to join KabuK Exchange at an important stage of its development. You will work on real platform systems that support hotel supply, distribution channels, pricing, booking, billing, payments, and operational workflows. You will gain experience across travel technology, platform engineering, API design, integrations, and commercial backend systems while working with senior engineers and product leaders. If you want to grow as a backend engineer while contributing to a platform with meaningful business impact, this role offers a strong opportunity to build, learn, and take on increasing ownership.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About KabuK Exchange> KabuK Exchange, or KBKx, is the global travel distribution infrastructure platform being built by KabuK Style. Our platform connects hotels, travel agencies, OTAs, channel managers, wholesalers, and internal KabuK products through a unified distribution, pricing, reservation, billing, and partner operations layer. The platform is designed to support Japanese hotel distribution to global demand channels while also enabling redistribution of global travel supply across partners. We are looking for a Technical Writer to help turn complex platform architecture, APIs, product workflows, onboarding processes, and operational knowledge into clear documentation for internal teams, external partners, hotels, developers, and future customers. This is an early platform contractor role. You will work closely with Product, Engineering, QA, Solutions, Partner Success, and Operations to create the documentation foundation that supports external launch, partner onboarding, API adoption, support operations, and long-term platform scalability. ------------------------------------------- <Role Overview> As Technical Writer, Platform, you will help build the documentation system for KabuK Exchange. You will create and maintain clear, structured, and accurate documentation across product specifications, API references, integration guides, onboarding materials, operational playbooks, release notes, troubleshooting guides, terminology glossaries, and partner-facing help content. This role requires someone who can understand technical systems deeply enough to document them accurately, but also communicate them clearly enough for non-technical users, business stakeholders, hotels, and external partners. You will not simply “write documents.” You will help define how knowledge is organized, maintained, governed, and reused across the platform organization. ------------------------------------------- <Key Responsibilities> ▼Platform Documentation Create and maintain documentation for KBKx platform services, including but not limited to: - API Gateway - Identity and Account Management - Pricing Service - Inventory and Supply Management - Booking Engine - Reservation Service - Billing and Payments - Supplier and Distribution Integrations - Partner Extranet - Hotel Onboarding - Admin Console - Reporting and Analytics - Operational Workflows Translate complex product and engineering concepts into structured documentation that can be understood by technical and non-technical audiences. Work with Product Managers, Engineering Leads, Backend Engineers, QA, DevOps, and Solutions team members to ensure documentation is accurate, complete, and aligned with current platform behavior. ▼API and Integration Documentation Create clear API documentation for internal and external developers, including: - API overviews - Authentication and authorization flows - Endpoint references - Request and response examples - Error codes - Webhook documentation - Integration lifecycle guides - Partner onboarding guides - Testing and certification instructions - Troubleshooting documentation Support the development of external partner documentation for OTAs, travel agencies, channel managers, wholesalers, and direct hotel partners. Help establish documentation standards for API naming, field descriptions, versioning, examples, and change communication. ▼Product and Operational Documentation Create and maintain product documentation for internal and external users, including: - Admin console guides - Partner extranet guides - Hotel onboarding manuals - Distribution setup guides - Pricing configuration guides - Billing and payment process guides - Incident response documentation - Support escalation guides - Release notes - FAQ and help center content Document operational workflows across Product, Engineering, QA, Finance Operations, Partner Success, and Support. Help convert existing product specs, meeting notes, diagrams, and tribal knowledge into structured documentation that can be maintained over time. ▼Knowledge Management Design and maintain a scalable documentation structure for the platform organization. Help define documentation categories, ownership, review cycles, versioning rules, and quality standards. Create a shared glossary of platform terms, acronyms, statuses, services, partner types, and transaction flows. Ensure documentation is easy to search, easy to update, and useful for onboarding new employees, outsourced teams, partners, and customers. Identify gaps in documentation and proactively work with stakeholders to close them. ▼Cross-Functional Collaboration Work closely with: - Product Managers to document product requirements, workflows, and user-facing behavior - Engineering Leads and Backend Engineers to document services, APIs, integrations, and technical constraints - QA to document test scenarios, known issues, release criteria, and regression coverage - DevOps to document environments, deployment processes, monitoring, and incident procedures - Solutions and Partner Success to document onboarding, implementation, and troubleshooting processes - Finance Operations to document billing, payments, reconciliation, and adjustment workflows - Leadership to ensure documentation supports external launch readiness You should be comfortable asking detailed questions, challenging unclear requirements, and pushing for accuracy when documentation gaps could create operational risk. ------------------------------------------- <What You Will Help Build> You will help create the documentation foundation for a travel platform that includes: - External API documentation for partners - Internal technical documentation for engineering and product teams - Partner onboarding documentation - Hotel onboarding and extranet guides - Operational runbooks - Billing and payments documentation - Troubleshooting and support guides - Release notes and change logs - Glossary and taxonomy documentation - Internal knowledge base for platform teams - External help center content for future platform users ------------------------------------------- <What Success Looks Like> Within the first 1–2 months, you will: - Understand the KBKx platform structure, core services, partner types, and documentation needs - Audit existing documentation, product specs, diagrams, and knowledge gaps - Define a documentation structure for internal and external platform documentation - Begin building the platform glossary and terminology reference - Identify the highest-priority documentation needed for external launch readiness Within the first 3 months, you will: - Create or improve key onboarding and technical documentation for MVP services - Establish documentation templates and standards for product, API, operations, and partner-facing documentation - Create initial API and integration documentation for priority services - Document key operational workflows for support, QA, incident handling, and partner onboarding - Establish documentation review and maintenance workflows with Product and Engineering Within the first 6 months, depending on contract extension and platform needs, you may: - Own the internal documentation structure for the platform team - Create partner-facing API and onboarding documentation for external launch readiness - Maintain release notes and change documentation for platform services - Produce operational runbooks for support, QA, incident handling, and partner onboarding - Help reduce repeated questions, onboarding friction, and implementation ambiguity - Build documentation standards that can scale as the platform grows ------------------------------------------- <Key Deliverables> Expected deliverables may include: - Documentation audit and gap analysis - Platform documentation structure - API documentation templates - Service overview templates - Partner onboarding documentation - Hotel onboarding documentation - Integration guides - Troubleshooting guides - Operational SOPs - Incident response runbooks - Release note templates - Platform glossary and acronym list - Internal knowledge base structure - External documentation portal recommendations Final deliverables will be agreed based on contract scope, platform priorities, and candidate availability. ------------------------------------------- <Why Join> This is an opportunity to support an early platform team building a core travel distribution infrastructure product from the ground up. You will have a meaningful role in shaping how the platform is understood, adopted, implemented, supported, and scaled. Your work will directly impact partner onboarding, developer experience, customer support, internal team efficiency, and external launch readiness. As an early member of the Platform team, your scope may evolve based on business needs, platform maturity, and your strengths and interests. This role is not limited to the responsibilities outlined above.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About KabuK Exchange> KabuK Exchange is a B2B2B travel distribution platform being built by KabuK Style to connect Japanese hotel supply with global demand channels, while also enabling redistribution of third-party travel inventory through modern APIs, pricing, booking, billing, and integration infrastructure. We are building the platform layer that will support hotel distribution, supplier connectivity, channel integrations, pricing logic, booking reliability, payment and billing flows, and future travel commerce products across hotels, flights, activities, and related services. This is a foundational role for someone who wants to help design and lead the engineering architecture behind a high-impact travel technology platform from an early stage. ------------------------------------------- <Role Overview> We are looking for an Engineering Lead, Platform to provide hands-on technical leadership for KabuK Exchange. This person will work directly with the Head of Platform and closely with product, QA, company leadership, internal engineers, and outsourced engineering partners. The role will own core architecture decisions, guide backend and platform engineering standards, and help ensure the engineering team can deliver scalable, reliable, and maintainable systems. This is not a pure people-management role. We are looking for someone who can operate as a senior technical leader: reviewing architecture, guiding implementation, improving engineering quality, mentoring engineers, and helping turn product and business requirements into strong technical systems. The ideal candidate is comfortable working close to leadership, understands how to balance business needs with technical quality, and can help guide a platform from early-stage delivery toward long-term scalability. ------------------------------------------- <Responsibilities> - Own and guide the technical architecture of KabuK Exchange’s platform services. - Lead backend and platform engineering decisions across internal and outsourced engineering teams. - Translate product requirements and business goals into scalable technical designs. - Define service boundaries, API design principles, integration patterns, and engineering standards. - Guide architecture for core travel platform domains such as pricing, inventory, booking, reservations, supplier integrations, channel distribution, billing, and payments. - Review technical designs, code quality, implementation plans, and delivery risks. - Work closely with Product Managers, QA, and leadership to improve requirements quality, delivery predictability, and system reliability. - Help establish engineering practices around documentation, testing, observability, release management, and incident prevention. - Mentor engineers and help raise the technical bar across the team. - Provide light management, technical coordination, and delivery guidance across internal engineers and external development partners. - Support hiring and future team-building as the platform organization grows. - Help identify technical risks early and propose practical solutions before they become delivery or operational issues. - Partner with the Head of Platform on technical roadmap planning, architecture prioritization, and long-term platform strategy. ------------------------------------------- <Why Join> - Help build a foundational B2B2B travel distribution platform from an early stage. - Work directly with platform leadership and influence core technical direction. - Own architecture across critical travel commerce domains including inventory, pricing, booking, integrations, billing, and payments. - Join a team focused on connecting Japanese hospitality supply to broader global distribution. - Play a major role in shaping engineering standards, team structure, and platform scalability. - Work on complex platform problems involving travel inventory, supplier connectivity, pricing logic, reservation reliability, and financial workflows. - Join a role with meaningful ownership, visibility, and long-term growth potential.

KabuK Style is a travel tech company that provides HafH, a Travel Fund Service, with the mission of "Creating infrastructure for a society that embraces diverse values as they are." As the first step toward building this world-changing infrastructure, we launched HafH in April 2019. Currently, we provide access to an accommodation network of over 20,000+ properties across 130+ countries and regions, with more than 140,000 members using our service. We continue to expand as a platform that supports diverse lifestyles while revolutionizing the travel and hospitality industry, making travel easier, more convenient, and more affordable. ------------------- As an Account Manager, Global, you will build and grow strategic partnerships with hotels across assigned international markets. You will drive hotel acquisition, manage commercial partnerships, and help expand KabuK Style's global accommodation network. <Key Responsibilities> - Identify, engage, and onboard new hotel partners in assigned markets. - Lead commercial discussions, negotiate partnership terms, and manage hotel contracting. - Build and maintain strong relationships with hotel partners, serving as their primary business contact. - Develop account strategies to grow partner performance and identify new business opportunities. - Monitor market trends, competitor activities, and partner performance to support business decisions. - Collaborate closely with internal teams, including Marketing, Product, Customer Support, and Operations, to ensure successful partner onboarding and ongoing account success. - Prepare business reports, forecasts, and presentations to support partnership development and decision-making. - Represent KabuK Style at industry events, trade shows, and partner meetings when appropriate. As an Account Manager, Global, you will build and grow strategic partnerships with hotels across assigned international markets. You will identify new business opportunities, strengthen partner relationships, and drive sustainable growth through commercial collaboration.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About the Role> KabuK Exchange, also known as KBKx, is KabuK Style’s B2B2B travel distribution platform connecting hotels, travel suppliers, channel managers, OTAs, travel agencies, and internal KabuK products through scalable APIs, operational tools, and commercial distribution workflows. We are looking for a Partner Success Manager to own the day-to-day relationship, onboarding, success, and operational health of KBKx partners. This role will work closely with hotels, OTAs, travel agencies, distribution partners, internal product teams, engineering, QA, finance, and operations to ensure partners are successfully onboarded, supported, and growing on the platform. This is an early platform role with broad ownership. You will help define the partner success function from the ground up, including partner onboarding processes, launch readiness, communication standards, support workflows, escalation paths, account health tracking, and partner growth practices. ------------------------------------------- <What You'll Do> ▼Partner Relationship Management - Own day-to-day communication with assigned KBKx partners, including hotels, OTAs, travel agencies, distribution partners, and other B2B platform users. - Build strong working relationships with partner stakeholders across commercial, operational, technical, and finance teams. - Act as the main business-facing point of contact for partner questions, requests, issues, and launch coordination. - Ensure partners understand KBKx processes, platform expectations, operational workflows, and support channels. - Maintain regular partner check-ins and account reviews. ▼Partner Onboarding & Launch Readiness - Manage partner onboarding from kickoff through go-live. - Coordinate internal readiness across Product, Engineering, QA, Solutions Engineering, Finance, and Operations. - Track onboarding milestones, required documents, commercial setup, operational setup, testing progress, issue resolution, and launch blockers. - Help create onboarding checklists, partner launch plans, training materials, and partner-facing process documentation. - Ensure partners are prepared before launch, including operational workflows, escalation paths, reporting expectations, and commercial terms. ▼Partner Success & Account Health - Monitor partner performance, issue volume, booking flow health, operational friction, and satisfaction. - Identify risks early and coordinate internal action before they become larger problems. - Track partner KPIs such as activation status, booking volume, issue resolution time, support volume, conversion impact, cancellation trends, and reconciliation friction. - Help partners improve performance by coordinating with internal teams on pricing, inventory, distribution, operational quality, and process improvements. - Support partner growth opportunities after launch. ▼Issue Management & Escalation - Own business-side coordination for partner issues, including P2/P3 incidents, operational escalations, booking problems, pricing discrepancies, reservation issues, and billing/reconciliation concerns. - Gather clear issue context, partner impact, timeline, screenshots, examples, affected bookings, and expected outcomes. - Coordinate with Solutions Engineering, Product, Engineering, QA, Finance, and Operations to drive resolution. - Communicate clearly with partners during issue investigation and resolution. - Help define partner support runbooks and escalation procedures. ▼Cross-Functional Platform Support - Work with Product Managers to communicate partner needs, pain points, and feature requests. - Support Business Development during partner handoff from commercial negotiation to onboarding. - Work with Finance on billing cycles, invoice questions, reconciliation issues, and payment-related partner communication. - Work with Solutions Engineering on integration timelines, technical blockers, partner readiness, and certification progress. - Help improve internal partner management processes as the platform matures. ------------------------------------------- <Why Join Us> - Help build the partner success function for a new B2B2B travel distribution platform. - Work on a platform connecting Japanese hotel supply to domestic and global demand partners. - Play a key role in partner onboarding, launch quality, retention, and growth. - Work directly with Product, Engineering, Solutions Engineering, Finance, Business Development, and Operations. - Join early enough to shape how KBKx manages partners as the platform scales. ------------------------------------------- <Additional Notes> This role is not limited to the responsibilities outlined above. As an early member of the Platform team, your scope will evolve based on business needs, platform maturity, partner requirements, and your strengths and interests.

KabuK Styleは、「多様な価値観を、多様なまま許容する社会のインフラを創る」をミッションに、つみたて旅行サービス「HafH（ハフ）」を提供するトラベルテックカンパニーです。 私たちが創りたい「世界を変える」インフラの第一歩として、2019年4月からHafHをスタートしました。 現在では、130以上の国と地域、20,000拠点以上の宿泊施設ネットワークへのアクセスを提供し、140,000人以上の会員様にご利用いただいており、多様なライフスタイルを応援するとともに、より簡単で、便利に、お得に旅ができる旅行・宿泊業を変革するプラットフォームとして拡大を続けています。 ------------------- Partner Success Specialist （Global Hotel Operations）として、KabuK Styleのグローバルホテルパートナーとの日々のオペレーションを支えていただきます。ホテルのオンボーディング（導入支援）、運用設定、パートナーサポートを担当し、担当エリアにおいて円滑な運営と優れたパートナー体験の実現に貢献していただくポジションです。 ＜主な業務内容＞ - 直接契約しているホテルパートナーの日常的な運営管理 - ホテルのオンボーディング（導入支援）および社内システム上のパートナー情報の管理・更新 - ホテル情報、料金、在庫、各種運用設定の登録・更新 - ホテルパートナーからの運用に関する問い合わせ対応および日常的な課題解決 - 営業、プロダクト、カスタマーサポートなど社内の関連部門と連携し、円滑なパートナー運営を推進 - オペレーション品質のモニタリングおよび業務プロセス・パートナー体験の改善提案 - TPSに関連するオペレーション業務のサポート - 社内業務やパートナー管理に必要なレポート・各種ドキュメントの作成 ホテルパートナーとの協業やオペレーションの改善、そしてより良いパートナー体験の提供にやりがいを感じる方に最適なポジションです。KabuK Styleのグローバルホテルネットワークを支えながら、パートナーシップ全体におけるオペレーション品質の向上に重要な役割を担っていただきます。 ------------------- KabuK Style is a travel tech company that provides HafH, a Travel Fund Service, with the mission of "Creating infrastructure for a society that embraces diverse values as they are." As the first step toward building this world-changing infrastructure, we launched HafH in April 2019. Currently, we provide access to an accommodation network of over 20,000+ properties across 130+ countries and regions, with more than 140,000 members using our service. We continue to expand as a platform that supports diverse lifestyles while revolutionizing the travel and hospitality industry, making travel easier, more convenient, and more affordable. ------------------- As a Partner Success Specialist (Global Hotel Operations), you will support the day-to-day operations of KabuK Style's global hotel partnerships. You will manage hotel onboarding, operational setup, and partner support to ensure seamless operations and an excellent partner experience across assigned markets. ＜Key Responsibilities＞ - Manage the day-to-day operations of directly contracted hotel partners. - Coordinate hotel onboarding and maintain partner information across internal systems. - Configure and update hotel information, rates, inventory, and operational settings. - Support hotel partners by responding to operational inquiries and resolving day-to-day issues. - Collaborate closely with Sales, Product, Customer Support, and other internal teams to ensure smooth partner operations. - Monitor operational quality and identify opportunities to improve processes and partner experience. - Support TPS-related operational tasks as needed.　　 - Prepare operational reports and documentation to support internal processes and partner management. This role is ideal for someone who enjoys collaborating with hotel partners, improving operational processes, and delivering an outstanding partner experience. You'll play a key role in supporting KabuK Style's global hotel network while helping ensure operational excellence across our partnership ecosystem.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About the Role> KabuK Exchange, also known as KBKx, is KabuK Style’s B2B2B travel distribution platform connecting hotels, suppliers, channel managers, OTAs, travel agencies, and internal KabuK products through scalable APIs, operational tools, and commercial workflows. We are looking for a Platform Operations & Service Delivery Manager to own the operational backbone of the platform. This role will be responsible for making sure KBKx runs reliably across partner onboarding, booking operations, pricing operations, reservation workflows, incident coordination, billing support, reconciliation processes, partner escalations, and internal operating procedures. This is a critical early role for turning the platform from a product and engineering build into a stable operating business. You will work closely with Product, Engineering, QA, Solutions Engineering, Partner Success, Finance, Business Development, and external partners to define and manage the workflows that keep the platform running after launch. ------------------------------------------- <What You'll Do> ▼Platform Operations Ownership - Own daily operational processes for the KBKx platform. - Define, document, and improve workflows across onboarding, booking operations, partner support, billing coordination, reconciliation support, incident handling, and launch readiness. - Create repeatable operating procedures for internal teams and external partner-facing workflows. - Identify operational gaps before they become partner-impacting issues. - Help ensure the platform can scale from manual launch operations into repeatable, structured processes. ▼Booking, Reservation & Distribution Operations - Monitor operational issues related to bookings, reservations, cancellations, pricing, inventory, supplier availability, and partner distribution. - Coordinate investigation and resolution of booking or reservation problems across internal teams. - Support workflows for reservation amendments, failed bookings, supplier discrepancies, partner escalations, and operational exceptions. - Work with Product and Engineering to identify where operational friction should become product functionality. - Help define service-level expectations for different issue types and partner categories. ▼Incident & Escalation Management - Coordinate P2/P3 incidents and partner-impacting operational issues. - Ensure issues are triaged clearly, assigned properly, communicated appropriately, and followed through to resolution. - Maintain escalation paths across Product, Engineering, QA, Solutions Engineering, Partner Success, Finance, and Business Development. - Create incident runbooks for common platform issues. - Support post-incident reviews and help drive corrective actions. ▼Partner & Internal Process Coordination - Work with Partner Success Managers to support partner onboarding, operational readiness, and post-launch stability. - Work with Solutions Engineers to ensure technical onboarding and operational readiness are aligned. - Support Business Development handoffs from signed partner agreements into active onboarding. - Coordinate with Finance on invoice cycles, payment-related questions, reconciliation issues, AR/AP workflows, and operational billing exceptions. - Ensure internal teams have clear ownership for recurring operational tasks. ▼Reporting, Metrics & Operational Health - Define and track key operational health metrics for the platform. - Monitor issue volume, response times, resolution times, booking error patterns, reconciliation discrepancies, failed booking rates, cancellation issues, partner escalations, and operational backlog. - Create regular internal operations reports for platform leadership. - Identify trends that require process, product, engineering, or partner-level intervention. - Help prepare partner account reviews with operational performance context. ▼Process Design & Documentation - Create internal SOPs, operational playbooks, escalation guides, checklists, and launch readiness templates. - Maintain operational documentation as the platform evolves. - Help define roles and responsibilities across platform operations, partner success, solutions engineering, finance, product, and engineering. - Improve internal workflows to reduce dependency on individual knowledge. - Support onboarding of future operations team members. ------------------------------------------- <Why Join Us> - Help build the operating model for a new B2B2B travel distribution platform. - Work on a platform connecting Japanese hotel supply to domestic and global demand partners. - Play a key role in launch readiness, operational stability, partner trust, and platform scalability. - Work directly with Product, Engineering, QA, Solutions Engineering, Partner Success, Finance, and Business Development. - Join early enough to shape the operational foundation of KBKx before external scale. ------------------------------------------- <Additional Notes> This role is not limited to the responsibilities outlined above. As an early member of the Platform team, your scope will evolve based on business needs, platform maturity, partner requirements, launch priorities, and your strengths and interests.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <The Role> We are looking for a Product Analyst / Associate Product Manager to join our Platform team and work on some of the most critical parts of our system: API integrations, payment flows, and billing/invoicing services. This is a hybrid role combining data analysis and product ownership. You will not only analyze data and surface insights, but also help define product behavior, shape requirements, and drive improvements across the platform. You will start as an individual contributor, working closely with Product, Engineering, and Finance. Over time, you will take on increasing ownership of specific product areas and play a key role in shaping how our platform evolves. We care more about your ability to work with complex systems and data than specific titles or years of experience. ------------------------------------------- <What You’ll Work On> - API Integrations & Platform Data - Analyze performance across supplier APIs (availability, pricing, content) - Identify inconsistencies across sources and help define normalization logic - Work with engineering to improve reliability, latency, and error handling - Support development of a unified data model across integrations - Payments & Billing Systems 　 - Help define and optimize: 　 - Payment flows (success/failure handling, retries, edge cases) 　 - Billing cycles (weekly, bi-weekly, monthly invoicing) 　 - Credit lines, limits, and risk controls 　 - Analyze: 　 - Payment success rates and failure patterns 　 - Invoice accuracy and discrepancies vs supplier data 　 - Refunds, chargebacks, and reconciliation gaps 　 - Partner with Finance to ensure product logic aligns with accounting requirements - Product Ownership (Core to This Role) 　 - Own specific problem areas within: 　 - API integrations 　 - Payments 　 - Billing and invoicing 　- Translate business and financial requirements into product requirements 　- Define metrics, success criteria, and edge cases 　- Work with engineering on system behavior, data flows, and implementation tradeoffs 　 - Contribute to roadmap planning and prioritization - Analytics & Decision Support 　 - Define and track KPIs across platform services 　 - Build dashboards and monitoring for system and business performance 　 - Move from data → insight → decision → product improvement 　 - Support experiments (A/B testing, pricing, flow optimization) - Cross-functional Collaboration 　- Work closely with: 　 - Product Managers 　 - Engineers 　 - Finance and Accounting 　 - Business and Operations teams 　- Translate complex data into clear, actionable insights ------------------------------------------- <What Success Looks Like (First 3–6 Months)> 　- Build a strong understanding of: 　 - API integrations and data flows 　 - Payment and billing architecture 　- Define and track key metrics for at least one core area 　- Identify and help resolve data inconsistencies or system gaps 　- Contribute to product decisions with clear, data-backed insights ------------------------------------------- <Scope & Growth> This role is not limited to the responsibilities outlined above. As an early member of the Platform team, your scope will evolve based on business needs, platform maturity, and your strengths and interests. You may have the opportunity to contribute across additional areas such as: 　- New platform services and product initiatives 　- Process and system design improvements 　- Cross-functional strategic projects We value individuals who are comfortable operating in dynamic environments and are excited to take on new challenges as the platform grows. ------------------------------------------- <Why Join Us> 　- Build and shape a next-generation travel platform (B2B2B SaaS) 　- Work on complex, high-impact systems across global inventory, pricing, and financial infrastructure 　- Gain exposure to both product and analytics career paths 　- High ownership, fast learning, and direct impact on core platform systems

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About KabuK Exchange> KabuK Style is building KabuK Exchange, also known as KBKx, a B2B2B travel distribution platform designed to connect Japanese hotel supply with global demand channels, while also supporting redistribution of wholesaler inventory across multiple travel products. The platform will support hotels, travel suppliers, channel managers, distributors, internal products, and future white-label services. Our goal is to build reliable travel distribution infrastructure that can scale across Japan, Asia, and global demand markets. ------------------------------------------- <About the Role> We are looking for a Senior Backend Engineer, Platform Services to help design, build, and maintain the core backend services that power KabuK Exchange. This role is best suited for an engineer who enjoys working on scalable backend systems, clean service architecture, transactional data, APIs, reliability, and business-critical platform infrastructure. You will work closely with product leadership, engineering leads, QA, and external development partners to build the foundation of a modern travel distribution platform. This is not a maintenance-only role. You will help shape backend architecture, service boundaries, data models, engineering quality, and operational readiness as the platform moves from MVP toward external launch and scale. ------------------------------------------- <Team> This role will likely sit within the Commerce Platform or core platform services area. The Commerce Platform team owns the systems that ensure every price, booking, payment, invoice, and ledger event is commercially correct and auditable. The team’s scope includes: - Pricing Service - Billing - Payments - Ledger - Reconciliation - Supplier payables - Distributor receivables - Refunds and adjustments - Credit limits - Commercial reporting inputs - Financial auditability ------------------------------------------- <What You'll Work On> You will contribute to backend services across areas such as: - Pricing service architecture - Booking-related financial events - Billing and payment workflows - Supplier payables and distributor receivables - Ledger and reconciliation services - Invoice generation and status lifecycle - Refunds, adjustments, and credit controls - Internal APIs and service-to-service contracts - Event-driven workflows and service orchestration - Platform reliability, observability, and operational tooling You will help move the platform from early MVP architecture toward a scalable, maintainable service architecture that can support external customers, multiple distribution channels, and high transaction volume. ------------------------------------------- <Responsibilities> - Design, build, and maintain backend services for the KabuK Exchange platform. - Develop clean, well-documented APIs for internal services and platform workflows. - Work with product managers to translate business requirements into technical solutions. - Help define service boundaries, data models, and integration patterns across platform services. - Improve reliability, performance, monitoring, alerting, and maintainability. - Contribute to pricing, billing, payment, ledger, and reconciliation workflows. - Ensure backend systems are designed with auditability, traceability, and operational correctness in mind. - Collaborate with QA to ensure backend services are testable, stable, and production-ready. - Review code and support engineering quality across internal and outsourced engineering teams. - Help establish engineering standards as the platform scales. ------------------------------------------- <Why Join Us> This is an opportunity to work on a platform at an important stage of its evolution. You will not simply be maintaining an existing system. You will help shape the technical foundation of a travel distribution platform intended to support hotels, suppliers, distributors, internal products, and future white-label services. You will have meaningful influence over backend architecture, system quality, commercial platform correctness, and engineering standards. If you enjoy building systems where reliability, correctness, and business impact matter, this role offers a strong opportunity to help define the foundation of a platform from an early stage.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About KabuK Exchange> KabuK Style is building KabuK Exchange, also known as KBKx, a B2B2B travel distribution platform designed to connect Japanese hotel supply with global demand channels, while also supporting redistribution of wholesaler inventory across multiple travel products. The platform will support hotels, travel suppliers, channel managers, distributors, internal products, and future white-label services. Our goal is to build reliable travel distribution infrastructure that can scale across Japan, Asia, and global demand markets. ------------------------------------------- <About the Role> We are looking for a Senior Backend Engineer, Travel Integrations & Distribution to help build the supplier connectivity, partner APIs, PMS/extranet backend capabilities, and distribution services that power KabuK Exchange. This role is ideal for an engineer who enjoys complex partner integrations, API normalization, booking flows, reliability, and solving messy real-world travel technology problems. You will play a key role in connecting KabuK Exchange with hotel suppliers, channel managers, wholesalers, B2C products, and B2B distribution partners. ------------------------------------------- <Team> This role will likely sit within the Supply & Distribution Platform team. The Supply & Distribution Platform team owns the systems that connect hotel supply to demand channels reliably, accurately, and at scale. The team’s scope includes: - Supplier integrations - Channel manager integrations - Distributor APIs - PMS/extranet distribution controls - Availability and rate ingestion - Rate and availability normalization - Booking and reservation operational lifecycle - Partner API contracts - Distribution eligibility rules - Hotel onboarding technical flows ------------------------------------------- <What You'll Work On> You will work on backend systems related to: - Supplier integrations - Channel manager integrations - Hotel inventory and availability flows - Rate and pricing input ingestion - Supplier API normalization - Distributor APIs - PMS and extranet distribution controls - Booking creation, modification, cancellation, and operational workflows - Error handling, retries, alerts, and integration monitoring - Integration documentation and partner-facing API behavior Potential integration areas include hotel suppliers, channel managers, travel wholesalers, internal KabuK products, B2B distribution partners, and future travel products such as activities or flights. ------------------------------------------- <Responsibilities> - Build and maintain backend integrations with travel suppliers, channel managers, and distribution partners. - Normalize inconsistent supplier APIs into stable internal platform models. - Design robust workflows for availability, rate ingestion, booking, modification, cancellation, and reconciliation handoff. - Handle edge cases around supplier errors, timeouts, inventory mismatches, booking ambiguity, and partner API inconsistencies. - Develop clean, well-documented APIs for internal services and external partners. - Work closely with product managers and business teams to understand partner requirements. - Collaborate with QA to build reliable integration test coverage. - Help define integration standards, API contracts, retry patterns, and operational playbooks. - Support production issue investigation and improve long-term platform resilience. - Contribute to backend architecture decisions for scalable travel distribution. - Review code and support engineering quality across internal and outsourced engineering teams. ------------------------------------------- <Why Join Us> Travel integrations are complex, inconsistent, and operationally critical. This role gives you the opportunity to work on the systems that make real hotel distribution possible: supplier connectivity, rate ingestion, booking reliability, partner APIs, PMS distribution controls, and channel distribution. You will have significant influence over how KabuK Exchange connects with the global travel ecosystem and how we scale from internal usage to external distribution partners. If you enjoy building reliable backend systems that connect real businesses, real inventory, and real transactions, this role offers a strong opportunity to help shape a platform from an early stage.

KabuK Style is building the next generation infrastructure for the global travel industry. Our flagship product, HafH, already connects over 30,000 accommodations across 130+ countries and serves a rapidly growing international customer base. As we scale, we are developing a new B2B platform that powers travel distribution, supplier integrations, pricing optimization, and booking infrastructure for partners around the world. ------------------------------------------- <About the Role> KabuK Exchange, also known as KBKx, is KabuK Style’s B2B2B travel distribution platform connecting hotels, travel suppliers, channel managers, OTAs, travel agencies, and internal KabuK products through scalable APIs and operational tooling. We are looking for a Solutions Engineer to help bridge the gap between our platform, our partners, and our internal product and engineering teams. This role will be responsible for supporting partner integrations, technical onboarding, API implementation, troubleshooting, documentation, and pre-/post-launch partner success from a technical perspective. This is an early platform role with broad scope. You will work closely with Product, Engineering, QA, Business Development, Account Management, and external partners to ensure that integrations are understood, implemented correctly, tested thoroughly, and supported after launch. ------------------------------------------- <What You'll Do> ▼Partner Integration & Technical Onboarding - Lead technical onboarding for hotels, channel managers, OTAs, travel agencies, and supplier partners. - Help partners understand KBKx APIs, data requirements, authentication flows, booking flows, pricing logic, reservation handling, and billing-related processes. - Translate partner business requirements into clear technical implementation steps. - Support partners during sandbox testing, UAT, certification, launch preparation, and post-launch stabilization. - Identify integration gaps early and coordinate resolution with Product and Engineering. ▼API & Platform Support - Act as the technical point of contact for external partners integrating with KBKx. - Review API requests, payloads, mapping logic, error responses, and integration behavior. - Troubleshoot issues related to availability, pricing, booking creation, reservation changes, cancellations, reconciliation, and partner data flow. - Help define integration best practices, implementation guides, checklists, and partner-facing technical documentation. - Work with Engineering to improve API usability, error handling, observability, and partner integration reliability. ▼Internal Cross-Functional Support - Support Product Managers in clarifying technical partner requirements. - Help QA define partner integration test scenarios and acceptance criteria. - Work with Engineering Leads and Backend Engineers to diagnose partner-impacting technical issues. - Support Account Managers and Business Development during technical discussions with partners. - Help operational teams understand technical causes of booking, pricing, or reconciliation issues. ▼Incident & Launch Support - Support P2/P3 partner-facing incidents by triaging issues, gathering evidence, and coordinating with Engineering. - Help define runbooks for common integration, booking, pricing, and partner support scenarios. - Participate in launch readiness reviews for new partners and major integrations. - Monitor partner integration health after launch and recommend improvements. ------------------------------------------- <Why Join Us> - Help build a new B2B2B travel distribution platform from an early stage. - Work on a platform connecting Japanese hotel supply to domestic and global demand partners. - Play a key role in partner onboarding, integration quality, and external launch readiness. - Work directly with Product, Engineering, and Business teams. - Help shape the technical partner success function before the platform scales. ------------------------------------------- <Additional Notes> This role is not limited to the responsibilities outlined above. As an early member of the Platform team, your scope will evolve based on business needs, platform maturity, partner requirements, and your strengths and interests.

KabuK Styleは、「多様な価値観を、多様なまま許容する社会のインフラを創る」をミッションに、つみたて旅行サービス「HafH（ハフ）」を提供するトラベルテックカンパニーです。 私たちが創りたい「世界を変える」インフラの第一歩として、2019年4月からHafHをスタートしました。 現在では、130以上の国と地域、20,000拠点以上の宿泊施設ネットワークへのアクセスを提供し、140,000人以上の会員様にご利用いただいており、多様なライフスタイルを応援するとともに、より簡単で、便利に、お得に旅ができる旅行・宿泊業を変革するプラットフォームとして拡大を続けています。 本ポジションでは、総合旅行業務取扱管理者としての専門性やご経験を活かし、旅行業における安全性・法令遵守の観点から、社内ルールや広告内容、顧客対応を横断的に確認・監修していただきます。 参考ページ　 https://kabuk.co.jp/ ＜ポジションの魅力と特徴＞ - 旅行スタートアップの根幹を支える、ポジション 　総合旅行業務取扱管理者として、法令遵守や安全管理を通じて、お客様が安心して旅を選べる体験を支える中核的な役割を担います。 　事業が健全に成長するための基盤づくりに関われます。 - 顧客体験を起点に仕組みを育てていく 　顧客対応方針や業務フローを横断的に捉え、顧客視点から、実務に即した仕組みとして設計・改善していくことができます。 　顧客体験に寄り添いながら、仕組みづくりを通じてサービスを支えていきたい方にフィットするポジションです。 - フレックスタイム制・服装自由で、ライフスタイルに合わせた勤務が可能 　ご経験を活かして、無理なく長く新しいサービスを創っていく環境で働きたい方にピッタリです。 - 勤務地である東京オフィスは渋谷区恵比寿、西口から徒歩3分の好立地です。明るく落ち着いたオフィスで業務に取り組める環境が整っています。 　服装も自由で堅苦しさはありません。 ＜主な業務内容＞ - 営業所での総合旅行業務取扱管理者としての各種業務（法令に準拠し、安全・公正に行われるよう監督） - 登録行政庁、業界団体（JATA・IATA等）への報告や更新業務、法定手続き等の実施 - 利用規約や関連規定の確認・改定アドバイス - 各種キャンペーンやサービスにおける広告表現の内容チェック - 各種手配業務の監督および実務アドバイス - 契約関連の手続き・お客様への説明対応 - 当社サービスにおける顧客対応に関するエスカレーション・苦情対応 - 業務全体が法令に準拠し、安全・公正に行われるよう監督 - その他、会社状況やご希望を踏まえた柔軟な相談業務もあり - その他付随する業務 - 社内コミュニケーションツール Slack、Notion、Zoom、Meet等 ------------------------------ KabuK Style is a travel tech company that provides HafH, a Travel Fund Service, with the mission of "Creating infrastructure for a society that embraces diverse values as they are." As the first step toward building this world-changing infrastructure, we launched HafH in April 2019. Currently, we provide access to an accommodation network of over 20,000+ properties across 130+ countries and regions, with more than 140,000 members using our service. We continue to expand as a platform that supports diverse lifestyles while revolutionizing the travel and hospitality industry, making travel easier, more convenient, and more affordable. ------------------------------