Lead Back-end Java Developer (Spring Boot, Agile)

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

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

Requirements

• Java expertise including hands-on work with modern Java LTS versions (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

Nice to have

• Spring Cloud, Apache Kafka or RabbitMQ for event streaming and messaging
• Observability experience with ELK/OpenSearch, AppDynamics or Grafana
• Domain exposure to banking or financial services

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

Life at EPAM

• EPAM is a leading global provider of digital platform engineering and development services. EPAM has been expanding in Singapore since 2013 and delivering the best solutions to our customers. As a recognized leader, EPAM Singapore achieved Great Place to Work® Certification in 2023 and is committed to providing our team with inspiring careers.
• You will have the opportunity to work with fellow talented technologists and accelerate your career by participating in our numerous upskilling, training, and certification programs. That is why EPAM Singapore was awarded Gold for Best In-House Certification Programmes in the Employee Experience Awards 2023 and Silver in the SkillsFuture Employers Awards 2022 for our efforts in championing employees skills development and building a lifelong learning culture at the workplace. You can also look forward to developing holistically with the multiracial festivals and various wellness and cultural activities organized by our passionate colleagues here.