Lead Java Backend Engineer — Spring Boot & Microservices

EPAM; Singapore; On-site; SGD 180,000 - 240,000; Full time

Job summary

EPAM is seeking a Lead Java Developer in Singapore to lead hands-on delivery of banking-grade back-end services built on Java 21, Spring Boot, microservices, and REST APIs. You will shape architecture, set engineering standards, and partner with DevOps to run containerized workloads on OpenShift/Kubernetes with strong testing, security, and observability.

You will lead Java 21 implementation, define service boundaries, APIs, data models, and integration patterns while ensuring robust error

Qualifications

• Strong Java expertise with Java 21 on current project.
• Spring Boot, Spring Framework and Spring MVC experience.
• Design and implement microservices and REST APIs.
• Proficient with SQL databases (Oracle, MySQL, PostgreSQL).
• Containerisation with Docker; cloud-native delivery.
• Kubernetes/OpenShift deployment or support experience.
• JUnit/Mockito for unit and integration testing.
• Attention to testing, security and observability.

Responsibilities

• Lead the design and implementation of Java 21, Spring Boot Back-end services.
• Define microservice boundaries, API contracts, data models and integration patterns.
• Build resilient REST APIs with clear error handling, versioning and documentation.
• Guide synchronous and event-driven service communication and integration decisions.
• Partner with DevOps to containerise, deploy and operate services on OpenShift.
• Establish coding standards, reusable patterns and review practices across the team.
• Improve quality through automated testing, CI/CD and code scanning tools.
• Troubleshoot production issues with SRE and platform teams and drive root-cause fixes.

Skills

Java

Spring Boot

Microservices

REST API design

SQL databases

JUnit/Mockito

OpenShift/Kubernetes

Java 21

Tools

Docker

OpenShift

Kubernetes

Job description

EPAM is seeking a Lead Java Developer in Singapore to lead hands-on delivery of banking-grade back-end services built on Java 21, Spring Boot, microservices, and REST APIs. You will shape architecture, set engineering standards, and partner with DevOps to run containerized workloads on OpenShift/Kubernetes with strong testing, security, and observability.

You will lead Java 21 implementation, define service boundaries, APIs, data models, and integration patterns while ensuring robust error