Lead - Java Fullstack Developer at Nexus Corporation | JP | Rezi

Lead - Java Fullstack Developer at Nexus Corporation

Lead - Java Fullstack Developer

Nexus Corporation · JP

4 days ago

Lead - Java Fullstack Developer

Nexus Corporation · JP

4 days ago
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About the Role

Seeking two Leads with Java Fullstack development experience to contribute to 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.
  • Build secure business logic and microservices using Java and frameworks like Spring Boot.
  • Design responsive user interfaces with Angular or React.
  • Develop and expose robust RESTful APIs or GraphQL endpoints.
  • Design database schemas, write optimized queries, and manage data via relational or NoSQL databases.
  • Containerize applications using Docker and support CI/CD deployment pipelines on cloud platforms.
  • Write unit and integration tests and participate in peer code reviews.
  • Work within an Agile lifecycle and understand Scrum team operations.
  • Collaborate with cross-functional teams.

Requirements

  • 10+ years of work experience, with at least 2-3 years in a Lead role managing/mentoring junior developers.
  • 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 databases including MySQL, PostgreSQL, Oracle, SQL Server.
  • Working experience with GitHub, Tomcat, and Maven.
  • Experience with AWS Services: S3, ECS, RDS.
  • Exposure and participation in Agile / Scrum environments.
  • Japanese language proficiency is preferred but not essential.

Skills

  • Java
  • Fullstack Development
  • Microservices
  • System Integrations
  • Database Optimization
  • User Interface Development
  • Backend API Development
  • Frontend Application Development
  • Code Review
  • Coding Standards Enforcement
  • Mentoring
  • Spring Boot
  • Angular
  • React
  • RESTful APIs
  • GraphQL
  • Relational Databases
  • NoSQL Databases
  • Docker
  • CI/CD
  • AWS
  • Agile
  • Scrum
  • JavaScript
  • TypeScript
  • HTML5
  • CSS3
  • Core Java
  • Spring MVC
  • API Microservices
  • Python
  • React.js
  • MySQL
  • PostgreSQL
  • Oracle
  • SQL Server
  • GitHub
  • Tomcat
  • Maven
  • S3
  • ECS
  • RDS

Location

  • Tokyo

Work Type

  • Full-time

Experience Level

  • Lead
  • 10+ years of experience
  • 2-3 years of management/mentoring experience