Lead Java Backend Engineer | Spring Boot, Microservices

EPAM Systems, Inc.; Singapore; Remote; SGD 140,000 - 190,000; Full time

Job summary

EPAM Systems, Inc. is seeking a Lead Java Developer in Singapore to lead hands-on delivery of banking-grade backend services built on Java 21, Spring Boot, and microservices.

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 the design of RESTful services, define API contracts, and guide messaging patterns while ensuring quality through CI/CD and

Qualifications

• Strong Java expertise with hands-on work on Java 21 on this project.
• Spring Boot background across Spring Framework and Spring MVC.
• Microservices design experience including distributed systems fundamentals.
• REST API design skills including API gateway and system integration concepts.
• SQL proficiency with relational databases (Oracle, MariaDB, MySQL or PostgreSQL).
• Containers experience with Docker and cloud-native delivery practices.
• Kubernetes/OpenShift exposure deploying or supporting containerised applications.
• Testing capability using JUnit, Mockito plus unit and integration automation.

Responsibilities

• Lead 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

Unit testing

API gateway

Observability

Distributed systems

Tools

Docker

Kubernetes

OpenShift

Job description

EPAM Systems, Inc. is seeking a Lead Java Developer in Singapore to lead hands-on delivery of banking-grade backend services built on Java 21, Spring Boot, and microservices.

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 the design of RESTful services, define API contracts, and guide messaging patterns while ensuring quality through CI/CD and