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Java Fullstack Developer

Nexus Corporation Sumida, Japan

Staffing and Recruiting · 11-50 employees

7 h ago
java Senior (5-10 yrs) Contractor Japan
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About the role

The developer will build secure backend microservices and responsive frontend interfaces for an insurance project. They are also responsible for API integration, database management, containerization, and maintaining CI/CD pipelines.

What they look for

Java Spring Boot Angular React Microservices RESTful APIs GraphQL MySQL PostgreSQL Docker AWS CI/CD JUnit TypeScript Agile Scrum

Requirements

Candidates must have 5-6 years of experience with Java, Spring Boot, and modern frontend frameworks like Angular or React. Proficiency in database management, cloud services (AWS), and working within an Agile/Scrum environment is required.

Full description

We are hiring a Java Full Stack developer 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

  • 5-6 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

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