nexuscorp logo
nexuscorp

216 open roles

Senior Developer - Java Fullstack

Sumida-ku, TokyoContractPosted Aug 25, 2026

Job description

We are hiring four (4) Senior Developers with Java Fullstack development experience to work on an Insurance project in Tokyo.

Responsibilities

Backend Development: Build secure business logic and microservices using Java and frameworks like Spring Boot Frontend Development: Design responsive user interfaces with Angular or React API Integration: Develop and expose robust RESTful APIs or GraphQL endpoints to bridge the frontend and backend Database Management: Design schemas, write optimized queries, and manage data via relational databases (MySQL, PostgreSQL) or NoSQL options (MongoDB) Deployment & DevOps: Containerize applications using Docker and support CI/CD deployment pipelines on cloud platforms (AWS, Azure) Quality Assurance: Write unit and integration tests (JUnit, Jest) and participate in peer code reviews Should have worked in Agile lifecycle and have good understanding on how Scrum teams operate Requirements 7-9 years of work experience Good hands-on knowledge of Java (JDK 8/11/17+), JavaScript / TypeScript, HTML5, CSS3 Knowledge of Core Java, Spring MVC, Java Spring Boot, API Microservices, Python Experience in Angular or React.

js Working knowledge of Database – MySQL, PostgreSQL, Oracle, SQL Server Working experience in GitHub, Tomcat and Maven Experience with AWS Services: S3, ECS, RDS Exposure and participation in Agile / Scrum environment Japanese language preferred, not essential

Description copied from nexuscorp's careers page. Read the full posting before you apply.

More jobs at nexuscorp

See all openings at nexuscorp

Senior Developer - Java Fullstack jobs at other companies