Top Java Developer Jobs in Singapore

Manage Applications Development teams, perform coding in Java technologies, oversee project delivery, and ensure compliance with regulations in the Financial Services industry.

Support design, development, testing, and maintenance of enterprise Java applications. Assist with performance improvements, integration testing, unit testing, troubleshooting, documentation, and delivering solutions aligned with business requirements while following SDLC and development best practices.

As a Java Developer at Citi, you will enhance systems, provide programming solutions, analyze codes, coach analysts, and ensure application security.

Design, develop, and execute automated test scripts using Java; create test designs, run test suites, analyze results, and generate reports. Collaborate with engineering teams and undergo upskilling to maintain and extend the automated test suite for software and hardware products.

Design, develop, and maintain high-performance Java-based microservices using modern Java (11/17/21). Participate in full SDLC, collaborate with cross-functional teams, write unit tests, troubleshoot production issues, and support deployments and change requests.

The role involves full-stack design and development of trading platforms, collaborating with traders and optimizing existing models while ensuring automated testing and deployment processes.

The role involves hands-on technical implementation of FX trading systems, collaborating with teams to implement solutions, and enhancing system architecture while ensuring adherence to policies and best practices.

Design, build, and maintain scalable, high-concurrency backend systems for a decentralized wallet. Develop distributed services, optimize JVM/multi-threading performance, integrate APIs and messaging systems, collaborate on architecture, and explore AI/LLM solutions.

Early-career Java engineer to develop and maintain core products, document business module interfaces, troubleshoot QA-reported issues, and assist customer support in resolving and classifying problems for system improvements.

Design, develop, and maintain high-performance, secure Java backend services and APIs. Ensure reliability, scalability, and cost-efficiency across microservices, databases, messaging systems, and capacity planning. Troubleshoot, profile, benchmark, and optimize systems (including ML applications) and collaborate with Kazakhstan stakeholders.

Design and develop high-performance backend services for an AI-powered trading assistant: build AI agent execution, trading order execution, AI sub-account and API key lifecycle management, integrate Binance trading APIs, implement skills/tool-calling frameworks, and ensure scalable, low-latency real-time data pipelines, observability, and security.

Senior Java Developer for a 6–12 month (extendable) contract in Singapore. Work on microservices using Java 8+, Spring/Spring Boot, CI/CD, AWS and Kubernetes. Responsibilities include test-driven development (JUnit, TDD), build tooling (Maven/Gradle), and collaborating with client teams. React experience is highly desirable. Must be Singapore citizen or PR and have strong communication skills.

The Jr. Java Developer is responsible for design, development, and configuration of software systems, requiring at least 2 years of Java experience, proficiency in Spring and Hibernate, and SQL or Oracle skills.

Accion Labs seeks a Java Developer with 3-6 years of experience in Core JAVA, Java Springs, and Struts.

Develop software systems to meet client needs using Java, Spring, Hibernate. Requires knowledge of SQL or Oracle Server for database management.

The role involves developing Java software, working with SQL or Oracle Server, and managing all phases of the software lifecycle from design to maintenance.

Seeking a Java Developer with over 3 years of web application development experience, proficient in J2EE, MVC frameworks, and various databases. Strong communication and a passion for learning required.

The Java Developer will collaborate on large and complex web application projects by developing with core Java, utilizing frameworks, and managing databases.

Develop and maintain software systems using Java, Spring, and Hibernate. Work with SQL or Oracle Server and oversee end-to-end project phases.

The Java Developer will analyze, program, test, and debug software while ensuring code quality and building efficient reusable Java code.

Seeking a Java Developer with at least 3 years of experience, ideally in telecommunications, to handle Java and MySQL projects.

Develop enterprise applications in securities & custodian business using Java/J2EE. Involve in all SDLC phases, design, develop, and support solutions.

As a Senior Java Engineer, you will design, develop, and maintain applications, write integration tests, and collaborate in an agile team.

Lead Developers guide teams in delivering high-quality software through best practices, collaboration, and continuous improvement, while mentoring peers and implementing technical visions.

Lead design and development of scalable backend services using Java Spring Boot and AWS. Architect microservices and APIs, implement cloud-native and serverless solutions, design database schemas, maintain CI/CD, monitor performance, ensure security and compliance with Singapore government standards, mentor juniors, integrate SingPass/CorpPass, and troubleshoot production systems.