Senior Java API & Backend Microservices Engineer

Flintex Consulting Pte Ltd; Kuala Lumpur; Presencial; MYR 89.000 - 112.000; Jornada completa

Descripción de la vacante

Flintex Consulting Pte Ltd in Kuala Lumpur is seeking a Senior Java API Developer to design, develop, and optimize scalable backend services and RESTful APIs. You will mentor juniors, drive engineering best practices, and contribute to secure, production-grade APIs in cloud or enterprise environments.

The role requires hands-on coding, architectural thinking, and a track record of delivering high-performance backend systems with SOLID principles and robust API security.

Formación

• 5+ years of backend development experience.
• Strong expertise in Java (8/11/17+).
• Solid experience with Spring Boot, Spring MVC, Spring Security.
• 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.

Responsabilidades

• 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.

Conocimientos

Java

Spring Boot

RESTful APIs

Microservices

SQL

Hibernate/JPA

OAuth2/JWT

CI/CD

Docker

Git

Concurrency

Herramientas

Maven/Gradle

Swagger/OpenAPI

Kubernetes

Cloud services

Descripción del empleo

Flintex Consulting Pte Ltd in Kuala Lumpur is seeking a Senior Java API Developer to design, develop, and optimize scalable backend services and RESTful APIs. You will mentor juniors, drive engineering best practices, and contribute to secure, production-grade APIs in cloud or enterprise environments.

The role requires hands-on coding, architectural thinking, and a track record of delivering high-performance backend systems with SOLID principles and robust API security.