N
Nexus Corporation
Lead - Java Fullstack Developer
Skills
SQL QueriesMongoDBDockerReactTypescriptPythonJavaTesting & QAMicroservicesHTMLSpring BootPostgreSQLMySQLGraphQLAWSGitHubOracleJavascriptAzure
2 months ago
Share this opportunity
Share this opportunity to other talents of your network:
✓ Offer them a visibility boost with clients.
✓ Help your contacts find their next job.
Important information
Contract type:
Permanent
Location:
Sumida City, Tokyo, Japan
Work mode:
Onsite
Published on:
27 August 2026
What they need
We are hiring two (2) Leads with Java Fullstack development experience to work on an Insurance project in Tokyo.
Responsibilities:
- Design scalable microservices, manage system integrations, and optimize database schemas
- Develop modular user interfaces and build high-performance, secure backend APIs and frontend applications
- Conduct code reviews, enforce coding standards, and mentor junior developers
- 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. [1, 2, 3, 4]
- Should have worked in Agile lifecycle and have good understanding on how Scrum teams operate
- Collaboratively work with cross functional teams
Requirements
- 10+ years of work experience out of which at least 2-3 years of experience as a Lead managing/mentoring a team of junior developers
- 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
Other offers great for you!
These companies are also looking for great profiles
V
Visian
Développeur Fullstack Java /React
520
Freelance
Paris, France
Hybrid
Skills
DockerReactNodeSpring BootKubernetes
8 months ago
Quick apply
G
Groupe c8g
Développeur Fullstack Java (H/F)
375
Freelance
Remote
Skills
ReactAngularVueJavaSpring BootJavascriptAPI rest
3 months ago
Quick apply
S
Soors
Développeur Fullstack Java / Angular & Scrum Master H/F
Freelance
33600 Pessac, France
Hybrid
Skills
AngularJava
3 hours ago
Quick apply
No company information available.