• Design, develop, and maintain full-stack features using TypeScript, with clear separation between Frontend (React) and Backend (Node.js). 
• Design and optimize schemas, queries, and performance with PostgreSQL; collaborate on migrations, indexing, and data strategy. 
• Build clear APIs with appropriate versioning and error handling; aim for end-to-end type safety where practical (shared types, validation).
• Participate in code reviews, follow quality standards, and write unit/integration tests as required by the project.
• Work onsite with Japanese clients or teams: meetings, clarifying requirements, and reporting progress in Japanese at N2–N3 level.
• Coordinate with BA, QA, and DevOps according to project process (CI/CD, staging/production environments as applicable).

• 4–5+ years of software development experience; pre-senior capability (ownership of modules, mentoring juniors, sound technical judgment).
• Strong TypeScript on both React and Node.js (specific runtime/framework such as Express, NestJS, or Fastify — per project stack).
• Hands-on experience with PostgreSQL: modeling, transactions, and foundational performance tuning.
• Japanese N2–N3 (certificate or equivalent demonstrated in interview); able to commit to long-term onsite work. 
• Available to onboard from 01 July 2026. 

Nice-to-have 

• Outsourcing experience and/or direct work with Japanese clients.
• Basic security awareness (authentication/authorization, OWASP), logging, and monitoring. 
• Docker/Kubernetes or CI/CD pipelines, depending on project needs.

OPPORTUNITIES AND CHALLENGES:

• Opportunity to work in a professional, modern and energizing setting.
• Challenging projects, possibilities, cutting-edge technology, and problems.
• An open and dynamic working atmosphere that promotes the interchange of
  ideas, while also empowering you to work and create in your own style. Each
  employee's talent and accomplishments are valued, and outstanding employees
  are recognized and rewarded on a yearly basis.
• Opportunities for capacity development, as well as assistance with professional
  certification expenses, are available to those who work in the field (1 million - 5
  million).
• Some advanced certifications will cover the full cost of studying and taking the
  exam.

ATTRACTIVE REWARDING POLICY AND WORK-LIFE BALANCE:

• Review salary 1-2 times/year, with the possibility of an unexpected salary rise
  based on capacity an infinite number of times per year
• Policy for 13th-Month Salary Bonus and Holiday Bonuses According to
  Company Regulations.
• Holiday travel mode (package 5-7 million/person), team building,…
•  Full participation in social insurance, as well as a yearly health checkup at a
  reputable hospital.