Senior Software Engineer

**About the company:** SIND Chiyoda-ku, Tokyo SIND offers AI and SaaS solutions to support hospital nurses by reducing their workload and enhancing their daily sense of fulfillment. By integrating existing generative AI technologies with our proprietary AI innovations, we are committed to solving challenges in healthcare settings and delivering higher-quality medical services. Read more about SIND **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 Requirements 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 Tokyo Japan Nice to haves While not specifically required, tell us if you have any of the following. 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 Compensation ¥8,400,000 ~ ¥10,200,000 annually. **Requirements:** 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 Tokyo Japan **Nice to have:** While not specifically required, tell us if you have any of the following. 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 **Compensation:** ¥8,400,000 ~ ¥10,200,000 annually.