Senior Back-end Developer (Java & Spring Boot)

EPAM Systems; Kuala Lumpur; On-site; MYR 90,000 - 150,000; Full time

Job summary

EPAM Systems in Kuala Lumpur is seeking a Backend Engineer to design and deliver high-performance backend services and APIs using Kotlin/Java (Spring Boot).

Focus on building scalable microservices with reliability, security, and maintainability, with optional frontend work using Angular or React. Collaborate across teams to deliver backend-driven features and resolve performance challenges.

Qualifications

• Production-grade Kotlin/Java with Spring Boot experience.
• Strong microservices and distributed systems knowledge.
• Relational and NoSQL databases; schema design and tuning.
• Familiar with JUnit, Mockk, Mockito, TestContainers; test automation.
• CI/CD, Docker/Kubernetes, Git/GitHub/GitLab experience.
• Application security principles (auth, data protection).
• Troubleshoot backend issues in complex environments.
• Agile/Scrum teamwork.
• No visa sponsorship available.

Responsibilities

• Design, develop and maintain backend services and APIs using Kotlin/Java (Spring Boot).
• Implement scalable microservices architectures with high reliability and performance.
• Ensure application security, monitoring and optimization for mission-critical systems.
• Write clean, testable, and maintainable code using industry-standard testing frameworks.
• Collaborate with cross-functional teams to deliver backend-driven features.
• Troubleshoot and resolve complex backend issues, including performance bottlenecks and scaling challenges.
• (Optional) Contribute to frontend development using Angular or React.

Skills

Kotlin or Java

Spring Boot

Microservices

Distributed systems

Event-driven patterns

Relational databases

NoSQL databases

JUnit/Mockito/Mockk

CI/CD

Docker/Kubernetes

Git/GitHub/GitLab

Application security

Agile/Scrum

Tools

Docker

Kubernetes

Git

Job description

We are looking for a Backend Engineer to design and deliver high-performance backend services and APIs.

The role focuses on building scalable microservices with strong reliability, security, and maintainability. While the emphasis is on backend development, familiarity with Angular or React for frontend integration is considered a plus.

Responsibilities

• Design, develop and maintain backend services and APIs using Kotlin/Java (Spring Boot)
• Implement scalable microservices architectures with high reliability and performance
• Ensure application security, monitoring and optimization for mission-critical systems
• Write clean, testable, and maintainable code using industry-standard testing frameworks
• Collaborate with cross-functional teams to deliver backend-driven features
• Troubleshoot and resolve complex backend issues, including performance bottlenecks and scaling challenges
• (Optional) Contribute to frontend development using Angular or React

Requirements

• Proficiency in Kotlin or Java with Spring Boot, with proven experience delivering production-grade systems
• Strong understanding of microservices architecture, distributed systems and event-driven patterns
• Experience with relational and NoSQL databases (e.g., Postgres, MongoDB, CosmosDB), including schema design and performance tuning
• Familiarity with testing frameworks (JUnit, Mockk, Mockito, TestContainers) and test automation practices
• Hands-on experience with CI/CD pipelines, containerization (Docker/Kubernetes), and version control (Git/GitHub/GitLab)
• Knowledge of application security principles (authentication, authorization, data protection)
• Ability to troubleshoot and resolve backend issues in complex environments
• Experience working in Agile/Scrum teams with collaborative development practices
• No visa sponsorship available

Nice to have

• Frontend: Angular, React, TypeScript/JavaScript (for occasional full-stack contributions)
• Cloud & DevOps: Azure or AWS; Event Grid, Kafka, Event Hub, Key Vault, GitHub Actions, Terraform, Azure Databricks
• CI/CD & Infrastructure: Containerization, pipelines, and infrastructure-as-code

We offer

• By choosing EPAM, you're getting a job at one of the most loved workplaces according to Newsweek 2021 & 2022&2023.
• Employee ideas are the main driver of our business. We have a very supportive environment where your voice matters
• You will be challenged while working side-by-side with the best talent globally. We work with top-notch technologies, constantly seeking new industry trends and best practices
• We offer a transparent career path and an individual roadmap to engineer your future & accelerate your journey
• At EPAM, you can find vast opportunities for self-development: online courses and libraries, mentoring programs, partial grants of certification, and experience exchange with colleagues around the world. You will learn, contribute, and grow with us