Back-end Developer

Asian Technology Solutions Pvt. Ltd.; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Asian Technology Solutions Pvt. Ltd. in Kuala Lumpur, Malaysia, is hiring a Backend Developer specialized in Java, Spring Boot, and microservices. The role focuses on designing, building, and maintaining scalable server-side applications and APIs.

You will work in an Agile environment with cross-functional teams to deliver robust software, ensure performance, and implement best practices in API design and data access layers.

Qualifications

• Proficient in Java 8/11/17+ with strong OOP concepts.
• Hands-on experience with Spring Framework, Spring Boot, and Spring Cloud features.
• Strong understanding of microservices patterns such as circuit breakers, CQRS, and Saga.

Responsibilities

• Design, develop, and deploy scalable microservices using Spring Boot.
• Build and maintain robust RESTful APIs with proper documentation (Swagger/OpenAPI).
• Participate in architectural discussions and design distributed systems.
• Write optimized SQL/NoSQL queries and manage data persistence with Hibernate/JPA.
• Ensure code quality with unit and integration tests (JUnit, Mockito).
• Collaborate with Frontend, Product, and DevOps in Agile/Scrum teams.
• Identify bottlenecks and optimize backend performance for high availability.

Skills

Core Java

Spring Framework

Spring Boot

Spring Cloud

Microservices

REST APIs

Tools

Maven/Gradle

Git

Job description

Job Description: Backend Developer (Java / Spring Boot / Microservices)

Position Overview

We are seeking a highly skilled and motivated Backend Developer to join our engineering team. In this role, you will be responsible for designing, building, and maintaining robust, scalable, and high-performance server-side applications. You will heavily leverage Java, Spring Boot, and Microservices architecture to build critical APIs and enterprise solutions that drive our business forward.

Key Responsibilities

• Microservices Development: Design, develop, and deploy highly scalable, decoupled, and secure microservices using Spring Boot.
• API Design: Build, document (Swagger/ Open API), and maintain robust RESTful APIs.
• System Architecture: Participate in technical design and architectural discussions, ensuring implementations align with distributed system best practices.
• Database Management: Write, optimize, and troubleshoot complex SQL/NoSQL queries and manage data persistence using Spring Data JPA or Hibernate.
• Code Quality & Testing: Write clean, maintainable, and well-documented code. Implement comprehensive unit and integration tests using JUnit and Mockito.
• Collaboration: Work closely with Frontend Engineers, Product Managers, and DevOps in an Agile/Scrum environment to deliver end-to-end features.
• Performance Optimization: Troubleshoot and resolve bottlenecks, ensuring high availability and low latency across backend services.

Required Technical Skills

• Core Java: Deep understanding of Java (Java 8 / Java 11 / Java 17+), including OOP principles, multithreading, collections, and concurrency.
• Frameworks: Extensive hands-on experience with Spring Framework, Spring Boot, and Spring Cloud features (Discovery Server, Config Server, API Gateway).
• Architecture: Strong knowledge of Microservices design patterns (e.g., Circuit Breaker, CQRS, Event Sourcing, Saga pattern).
• ORM / Databases: Proficient with Hibernate, JPA, and relational databases (PostgreSQL, MySQL, or Oracle).
• Tools & Version Control: Experience with Maven or Gradle, and Git for version control.