Lead Java Backend Architect: Spring Boot & Microservices

EPAM Systems; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

EPAM Systems in Singapore is seeking a Lead Java Developer to drive 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 collaborate with DevOps to run containerized workloads on OpenShift/Kubernetes.

You will lead design, API contracts, data models, testing and CI/CD to ensure resilient, well-documented services. Banking domain experience is a plus.

Qualifications

• Strong Java expertise with modern Java LTS (Java 21).
• Experience with Spring Boot, microservices and REST APIs.
• Experience with containerized deployments on Kubernetes/OpenShift and CI/CD.

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 APIs

SQL

Testing (JUnit/Mockito)

Tools

Docker

Kubernetes/OpenShift

Kafka/RabbitMQ

Job description

EPAM Systems in Singapore is seeking a Lead Java Developer to drive 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 collaborate with DevOps to run containerized workloads on OpenShift/Kubernetes.

You will lead design, API contracts, data models, testing and CI/CD to ensure resilient, well-documented services. Banking domain experience is a plus.