Java Full-Stack Engineer - AI-Assisted Cloud Microservices

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

Job summary

Cognizant is seeking a highly skilled Full Stack Developer in Singapore to join our enterprise-grade Java stack. You will design, build, test and deploy robust microservices and REST APIs using Spring Boot, with exposure to AWS, Databricks and AI-assisted tooling.

You will collaborate with cross-functional teams across the SDLC, tackle performance challenges, and drive modernization initiatives while adhering to best practices and security standards.

Qualifications

• Strong Java fundamentals and hands-on experience across SDLC.
• Experience with Spring Boot, Spring MVC and Spring Data JPA.
• Proven ability to design and develop scalable microservices and REST APIs.

Responsibilities

• Design, develop, test, and deploy scalable enterprise applications using Java 17/21.
• Build and maintain RESTful APIs and Microservices using Spring Boot.
• Develop high‑quality, maintainable, and performant code adhering to best practices.
• Participate in application modernization and cloud readiness initiatives.
• Utilize AI‑assisted development tools to improve development efficiency and code quality.
• Collaborate with business analysts, architects, QA teams, and DevOps teams throughout the SDLC.
• Troubleshoot production issues and provide timely resolution.
• Participate in code reviews and contribute to continuous improvement initiatives.

Skills

Java Fundamentals

Collections Framework

Multithreading/Concurrency

Streams/Lambda

Memory Management

JVM Concepts

Design Patterns

Performance Optimization

Java 17/21

Spring Boot

Spring MVC

Spring Data JPA

Microservices

REST API Development

Apache Kafka

AI-powered Dev Tools

Databricks

AWS

Git

CI/CD

Maven/Gradle

Tools

Git

CI/CD

Maven/Gradle

Databricks

AWS

Job description

Cognizant is seeking a highly skilled Full Stack Developer in Singapore to join our enterprise-grade Java stack. You will design, build, test and deploy robust microservices and REST APIs using Spring Boot, with exposure to AWS, Databricks and AI-assisted tooling.

You will collaborate with cross-functional teams across the SDLC, tackle performance challenges, and drive modernization initiatives while adhering to best practices and security standards.