Senior Full-Stack Engineer - Java, AWS, React Microservices

epam systems pte. ltd.; Singapore; On-site; SGD 100,000 - 167,000; Full time

Job summary

EPAM Systems PTE. LTD. is seeking a Senior Software Engineer (Full Stack) to build cloud-native applications on AWS using Java, Spring Boot and React in a microservices setup.

You will shape technical decisions, strengthen security and support data migration and modernization in a hybrid delivery team. You will design, develop and test full stack features, implement RESTful APIs, OAuth-based authentication, and containerize services with Docker while working with product, delivery and design

Qualifications

• Strong Java and Spring Boot in production environments.
• Hands-on experience with microservices and RESTful API design.
• Experience with ReactJS front-end development.
• Experience with AWS services (S3, Lambda, API Gateway, DynamoDB).
• Proficiency with testing (unit, integration, contract).
• Experience with Spring Batch and batch processing.
• Familiarity with Docker containerization and CI/CD pipelines.
• Understanding of secure coding, OAuth and security testing (SAST, SCA, VAPT).

Responsibilities

• Design, build and maintain full stack features using Java, Spring Boot and ReactJS.
• Develop RESTful APIs and integrate OAuth-based authentication and authorization.
• Implement microservices patterns including event-driven communication and Domain-Driven Design.
• Build batch processing and data migration solutions using Spring Batch and AWS Database Migration Service.
• Create automated tests across the stack including unit, integration and contract tests.
• Containerize services with Docker and support CI/CD pipelines.
• Partner with product, delivery and design teams to deliver usable, accessible interfaces.
• Contribute to technical decisions, code reviews, documentation and release readiness.

Skills

Java

Spring Boot

ReactJS

RESTful API design

OAuth

Microservices architecture

Testing (unit/integration/contract)

Security testing

Tools

Docker

AWS

Spring Batch

AWS Database Migration Service

Amazon S3

AWS Lambda

Amazon API Gateway

Amazon DynamoDB

Job description

EPAM Systems PTE. LTD. is seeking a Senior Software Engineer (Full Stack) to build cloud-native applications on AWS using Java, Spring Boot and React in a microservices setup.

You will shape technical decisions, strengthen security and support data migration and modernization in a hybrid delivery team. You will design, develop and test full stack features, implement RESTful APIs, OAuth-based authentication, and containerize services with Docker while working with product, delivery and design