株式会社SINDのSenior Software Engineerの求人

As a Senior Full Stack Engineer, you will own product development across the stack, from backend systems to frontend experiences. You will work closely with AI engineers and clinicians to deliver features used in real clinical settings. This role is ideal for someone who enjoys strong ownership, fast iteration, and building systems that directly improve healthcare operations.

Responsibilities

• Own end-to-end product features from backend APIs to frontend UI
• Design, build, and scale core application architecture and database infrastructure
• Develop and maintain systems using Postgres, AWS RDS Aurora, and cloud-native services
• Integrate real-time AI services such as speech recognition, summarization, and NLU through AWS and Azure
• Deploy, optimize, and maintain cloud infrastructure on AWS
• Collaborate closely with AI engineers, product members, and clinicians to ship impactful features
• Improve system reliability, performance, and developer productivity
• Perform additional engineering responsibilities as needed in a fast-moving startup environment

Senior level

Hiring Process

1. Document screening
2. 1–2 interviews (Including a technical interview.)
3. Final decision

• 3+ years of full-stack software engineering experience
• Strong backend development skills with technologies such as Nextjs, Django, FastAPI, Node.js, AWS Lambda, Postgres, and SQL
• Solid frontend development experience
• Strong product mindset with the ability to think across the full system
• Comfortable working in a global team
• Based in Japan, with the ability to commute to Tokyo
• Business English

※No Japanese language skills required

• Experience with AWS or Azure AI services
• Experience with Infrastructure as Code (IaC)
• Experience in healthcare, medtech, or other regulated industries
• Can speak both Japanese and English fluently