We are looking for a highly skilled Full Stack Java Developer with strong expertise in Java 21 and microservices architecture, capable of building applications from scratch. The role requires deep hands-on coding, strong problem-solving skills, and the ability to design and implement complex business logic end to end.

Key Responsibilities

Backend Development

Design, develop, and deliver microservices from scratch using Java 21 and Spring Boot
Architect and implement RESTful APIs and service-to-service integrations
Own and implement complex business logic, algorithms, and workflows
Design data models and handle high-volume transactions with performance and scalability in mind
Implement security, validation, exception handling, and logging best practices
Write clean, maintainable, and testable code with strong unit and integration test coverage

Frontend Development

Develop modern UI components using React / Angular
Integrate frontend with backend APIs
Handle state management, validations, and performance optimization

System & Architecture Responsibilities

Participate in technical design and architecture discussions
Make technology and design decisions for new modules and services
Ensure scalability, fault tolerance, and maintainability of solutions
Support deployments and troubleshoot production issues when required

Required Skills & Experience

6+ years of hands-on software development experience
Strong expertise in Java 21 (or Java 17+ with readiness for Java 21)
Proven experience in building microservices from scratch (not just enhancements or support)
Deep knowledge of Spring Boot, Spring MVC, Spring Security, and Spring Cloud
Strong experience with REST APIs, JSON, and API design standards
Hands-on experience with SQL databases (PostgreSQL / MySQL / Oracle / MSSQL)
Solid understanding of data structures, algorithms, and complex logic implementation
Frontend experience with React or Angular
Experience with Docker, containers, and CI/CD pipelines
Strong debugging, performance tuning, and problem-solving skills

Nice to Have

Experience with Kafka / messaging systems
Experience with cloud platforms (AWS / Azure / GCP)
Exposure to event-driven architectures
Prior experience in banking / financial services domains

What We Are Specifically Looking For

Someone who can code, design, and own solutions end to end
Comfortable with whiteboard discussions and hands-on coding interviews
Ability to handle complex logic independently, not just follow existing patterns
Strong ownership mindset and engineering discipline

PERSOL Singapore Pte Ltd • RCB No. 200007268E

EA License No. 01C4394 • EA Registration No. R1113321 (Jacob Tijo)

Full Stack Java Developer (Microservices)