Senior Java API Developer Role - Kuala Lumpur (Hybrid Model) - Only Malaysians
Unison Group
| Company | Unison Group |
| Category | Engineering |
| Location | Kuala Lumpur |
| Remote | Hybrid (inferred) |
| Employment | Full-time |
| Level | Senior |
| Salary | Not stated by the employer |
| Posted | 6 May 2026 |
| Last verified | 4 Aug 2026 |
| Source | Employer ATS (workable) |
Description
Skill: Java API Developer Nationality Requirement: Malaysian Citizens Only Role Overview We are looking for a highly skilled Senior Java API Developer to design, develop, and optimize scalable backend services and RESTful APIs. You will play a key role in architecting secure, high-performance systems, mentoring junior developers, and driving engineering best practices across the team. This role requires strong hands-on coding ability, architectural thinking, and experience building production-grade APIs in cloud or enterprise environments. Key Responsibilities · Design, develop, and maintain scalable RESTful APIs and microservices using Java and Spring Boot. · Architect secure, high-availability backend systems with performance optimization in mind. · Implement clean, testable, and maintainable code following SOLID principles. · Optimize application performance, troubleshoot bottlenecks, and resolve production issues. · Collaborate with frontend developers, DevOps, QA, and product teams to deliver high-quality features. · Participate in architecture discussions and technical design reviews. · Implement API security standards (OAuth2, JWT, API Gateway policies). · Ensure code quality through unit testing, integration testing, and code reviews. · Mentor junior developers and promote engineering best practices. · Contribute to CI/CD pipelines and DevOps improvements. Requirements · 5+ years of backend development experience. · Strong expertise in Java (8/11/17+). · Solid experience with Spring Boot, Spring MVC, Spring Security. · Hands-on experience building RESTful APIs. · Experience with microservices architecture. · Strong knowledge of SQL (MySQL/PostgreSQL/Oracle) and ORM frameworks (Hibernate/JPA). · Experience with API security (OAuth2, JWT). · Familiarity with Git, Maven/Gradle. · Experience working with Docker and CI/CD pipelines. · Strong understanding of data structures, concurrency, and multithreading. Benefits Annual Leave (AL): Up to 21 days per year Medical Leave (ML): 12 days per annum Medical Coverage provided Performance Bonus: 2 bonuses per year Public Holiday Replacement Leave Optical and Dental Coverage