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Senior Java API Developer

icon building Syarikat : Flintex Consulting
icon briefcase Jenis Pekerjaan : Sepenuh Masa
icon geo-alt Kuala Lumpur, Malaysia

Bilangan Pemohon

 : 

000+

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Mohon Sekarang
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Penerangan Pekerjaan - Senior Java API Developer




Position Summary



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.











Technical Requirements



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.







Good to Have



• Experience with Kafka or RabbitMQ.



• Cloud deployment experience (AWS, Azure, or GCP).



• Kubernetes knowledge.



• Experience with API documentation tools (Swagger / OpenAPI).



• Experience in fintech or high-transaction systems.







Soft Skills



• Strong analytical and problem-solving skills.



• Ability to work independently and lead technical initiatives.



• Excellent communication and stakeholder management skills.



• Proactive mindset with ownership mentality







Working hours:



Mon to Fri 9am-6pm



Original job Senior Java API Developer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Mohon Sekarang
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