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Senior Developer - Java Fullstack

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 Senior Developer will build secure microservices and responsive user interfaces while integrating RESTful APIs or GraphQL endpoints. They are also responsible for database management, containerizing applications, and ensuring code quality through unit testing and peer reviews.

What they look for

Java Spring Boot Angular React RESTful APIs GraphQL MySQL PostgreSQL Docker AWS CI/CD TypeScript JavaScript HTML5 CSS3 Agile

Requirements

Candidates must have 7-9 years of experience in Java Fullstack development with proficiency in Spring Boot, Angular or React, and cloud platforms like AWS. A strong understanding of Agile/Scrum methodologies and database management is required for this role.

Full 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

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