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Backend Engineer(Money Forward Kakebarai), Money Forward Kessai Ltd.,Tokyoの求人

募集概要

## About Money Forward Kessai “Money Forward Kessai” was established in March 2017 with the mission of making inter-company transactions safe and seamless, and the vision of becoming the payment infrastructure for inter-company transactions. We offer services such as "Money Forward Kakebarai\*1" : the business-to-business deferred payment settlement service, "Money Forward Early Payment": the financing service where clients can receive early payment."Money Forward Transaction Finance for Startups": the accounts receivable early funding service, the funding service for startups. "Money Forward Invoice Card Payment" : the invoice card payment service for businesses. These services have grown to handle a cumulative total of over 280 billion yen.\*2 Additionally, Money Forward has been promoting cashless transactions through various payment methods such as cards and wallets, providing the cashless platform "Money Forward Pay for Business" to enhance back-office efficiency. As part of this platform, they offer the business card "Money Forward Business Card" for sole proprietors and corporations. The Money Forward Group has been providing a wide range of financial services aimed at solving payment and cash flow issues for businesses. To offer better value in the area that combines SaaS and Fintech, we consolidated "Money Forward Pay for Business," into Money Forward Kessai in March 2025\. \*3 By consolidating the highly compatible financial businesses of the Money Forward Group into Money Forward Kessai, we are aiming to enhance efficient business operations and governance, while promoting agile and flexible business strategies, including obtaining necessary permits and licenses. \*1 The service names in this job posting reflect the changes made on December 1, 2024. \*2 Money Forward's Sustainability \*3 Announcement regarding the company split (simple absorption-type split) with a wholly-owned subsidiary _This position will be employed by Money Forward and be seconded to Money Forward Kessai._ ## Job Overview We are seeking a backend engineer to lead the development of a service that continuously and rapidly enhances value through technology selection, architecture design, and application development in our core business of inter-company post-payment services. The goal is to create a service that allows client companies to conduct transactions with peace of mind. The mission includes solving the challenges faced by current client companies and developing features to address obstacles for companies planning to implement the service. ## Responsibilities and Duties Design the architecture, select technologies, implement, release, and continuously improve the service "Money Forward Kakebarai," that is primarily operated on Google Cloud. * Continuously find the challenges and reflect the changes into product features. * Plan how the product will operate before development and communicate within the team. * Create systems and operations that could quickly solve troubles * Learn new technologies and share knowledge internally and externally. * Enjoy learning and taking on challenges to solve problems together as a team. By using the latest technology that is evolving everyday, we believe we can achieve more efficient and scalable product development. New challenges are emerging, such as observability issues with serverless architecture and boundary problems as microservices expand. We would like to work with someone who anticipate and address these challenges, ensuring the product can continue operating smoothly. ## Development Methodology We use Scrum methodology for development, focusing on creating prototypes with chosen architectures and technologies rather than spending too much time on planning. With this, we aim for small, frequent releases. Our one-week sprints incorporate GitOps for faster delivery, enabling release cycles at the PR level. Since we handle financial transactions, it's crucial to ensure the service functions correctly, not just adequately. Development must consider handling errors, retry methods, and responses to issues. ## Technology Stack The technology stack we use includes the following. While these are not mandatory skills at the time of application, you will be expected to work using these technologies. * Languages: Go, TypeScript * Frameworks: Nuxt.js, Remix, Nest.js, gRPC, GraphQL, OpenAPI Specification (Swagger) * Databases: MySQL, BigQuery, Datastore * Middleware: Docker, Kubernetes, Envoy, Kong, OpenCensus/OpenTelemetry * Cloud Infrastructure/Services: GKE, Cloud Run, Cloud Functions, Cloud Storage, Cloud Pub/Sub, Cloud Operations, Firebase Authentication, SendGrid, Datadog, Sentry * CI/CD: Cloud Build, Github Actions We are using more microservices in our architecture, which means we focus on how different services communicate with each other. This approach involves solving typical issues related to microservices and distributed systems. Where the scalability is required, we use serverless architecture with Cloud Run. ## Required Skills and Experience * Experience developing with a web application framework, regardless of language * Experience developing applications using RDBMS * Experience developing with Golang or an interest in Golang * Experience operating services long-term using cloud platforms like AWS or GCP * Experience using container technologies like Docker ## Language Requirements * Business-level Japanese proficiency (equivalent to JLPT N1). * Business-level English proficiency (equivalent to TOEIC score of 700 or higher) improve) * If you do not have a TOEIC certificate taken within the last two years with a score of over 700, you will be required to take an English test during the selection process. * Examples: Eiken Pre-1st Grade, TOEFL iBT 60 or higher, IELTS 5.0 or higher, Cambridge English FCE, etc. ## Preferred Skills and Experience * Experience developing microservices * Experience with working in an Agile/Scrum team * Knowledge and experience in performance tuning for high-traffic services * Experience in project management or team leadership * Experience developing with React * Experience developing AI or using AI tools * Experience in AI development and/or experience in using AI tools to improve development processes. * Money Forward recently announced our AI Strategy roadmap which focuses on improving AI-driven operational efficiencies, as well as integrating AI agents into our products to deliver better value to our users. (More information [here](https://www.linkedin.com/pulse/money-forward-become-no1-back-office-ai-company-yosuke-tsuji-keztc/)) ### Experience Gained This position requires balancing the unique challenges of integrating "SaaS," "BPO," and "Fintech" into a cohesive application. As user demands, operational complexity, and evaluation challenges grow, we need someone who can tackle these high-level challenges and develop solutions effectively. Additionally, the importance of addressing non-functional requirements is increasing. This includes eliminating security risks through continuous updates, managing the growing complexity of operations, and maintaining service boundaries as we expand our use of microservices and serverless architecture with Cloud Run for scalability. This role offers the opportunity to engage with a wide range of challenges, not only technical but also related to our business and culture. We are looking for someone who can contribute to application development and help balance the elements of "SaaS," "BPO," and "Fintech." For more information about our business and culture, please refer to our handbook. [Money Forward Kessai Handbook](https://mfkessai.notion.site/Handbook-9f51ee7e1f6748d0bcb4017dd78b531f) ## Who We’re Looking For * Understand business domains and model problems. * Strong sense for handling anomalies and detecting data inconsistency patterns, with a basic understanding of microservices and distributed systems. * Understand the basics of agile development and test-driven development. * Has eagerness to continuously learn and engage with new technologies. * Can identify challenges independently and proactively involve others to move projects forward. * Communicate effectively with various people internally and externally. ## Work Environment At Money Forward, we provide an environment where we can create world-class services together, and we are looking forward to welcoming you. * Provided PC Specs: We provide PCs equipped with the latest CPUs (MacOS or Windows). Custom-made PCs tailored to business requirements and replacements with the latest OS are also possible. * Systems to Enhance the Development Environment: Peripheral devices necessary for work (such as displays, mice, keyboards) can be purchased as office supplies. Generally, you can choose from standard products (catalog), and if conditions are met, you can apply for non-standard products as well. * Money Forward Library: We have a library system where you can freely borrow books, ranging from technical books to management books. Desired books can be purchased at the company's expense. * Referral Driven: We cover the cost of recruitment meals. There is a referral reward system. * Conference Participation Support: The company partially covers participation in domestic and international conferences, such as RubyKaigi and Google I/O.

応募概要

給与

年収 550万円 〜 1000.8万円 Monthly salary system ※Includes fixed allowances for up to 45 hours of legal overtime, legal holiday work, and 40 hours of late-night work.

勤務地

21F Tamachi Station Tower S, msb Tamachi, 3-1-21 Shibaura, Minato-ku, Tokyo

雇用形態

正社員

勤務体系

試用期間

福利厚生