- Develop and maintain modern web applications using React, TypeScript, and Node.js.
- Design and implement RESTful and/or GraphQL APIs for backend services.
- Participate in system design discussions and contribute to architecture decisions.
- Develop and deploy applications on AWS (e.g., API Gateway, Lambda, IAM, Cognito, S3, DynamoDB, RDS, SQS, SNS).
- Write clean, maintainable, and well-documented code following best practices.
- Implement unit tests and integration tests to ensure high code quality.
- Perform and automate API testing using tools like Postman, Bruno, or similar.
- Collaborate with Product Owners, Business Analysts, and stakeholders to clarify requirements and translate them into technical tasks.
- Work closely with team members in Agile/Scrum environments to deliver features on time.
- Contribute to CI/CD pipelines and DevOps practices.
- Continuously improve system performance, scalability, and security.

- 4–7 years of experience in software development.
- Strong hands-on experience with React, TypeScript, and Node.js.
- Solid experience in building and consuming RESTful and/or GraphQL APIs.
- Experience working with AWS services (such as API Gateway, Lambda, IAM, Cognito, S3, DynamoDB, RDS, SQS, SNS).
- Experience with Serverless Framework or AWS SAM is a plus.
- Good understanding of authentication and authorization mechanisms (JWT, OAuth, etc.).
- Experience in writing unit tests and implementing testing strategies.
- Familiarity with CI/CD pipelines and DevOps practices.
- Understanding of software architecture principles and scalable system design.
- Ability to communicate clearly and collaborate effectively within a team.
- ENG fluent

- Opportunities to onsite and work with big customers, advanced technology, personal development...
- Opportunity to work in groups with many leading experts in the field of domestic and international IT.
- Opportunity to implement ambitious projects in many countries, gain exposure to the latest technologies and learn from talented colleagues.
- Work in a youthful, vibrant, modern and multicultural environment. Communication activities and events on holidays take place regularly.
- Promotion opportunities based on capacity with corresponding rank increases and salary increases.
- Have the right to participate in soft skills training courses (logical thinking, creative thinking, communication skills, project management skills, negotiation skills...) and Japanese language classes.
- And many other attractive benefits...

Remote