Top Java Developer Jobs in Singapore

Administer, monitor, and support Java applications and Genesys Cloud. Provide production troubleshooting, minor bug fixes and enhancements, and act as primary POC for Java apps. Develop/support microservices using Java and Spring Boot, perform analysis of system behavior, and apply problem-solving and diagnostics to maintain service quality.

Lead design, development and maintenance of enterprise APIs and microservices (Java, Spring Boot, WSO2) across on‑prem and AWS. Provide technical leadership, deliver payment services (initiation to reconciliation), ensure API governance and security (OAuth2, JWT, mTLS), integrate with Kafka/IBM MQ, drive observability, CI/CD and production support, conduct reviews and documentation, and adopt AI-assisted engineering for automation and quality.

Design and implement complex backend services for Binance Square. Collaborate with product, DevOps, and QA to deliver high-quality microservices, promote engineering best practices, and perform code reviews.

Build and maintain high-throughput distributed KYC services: translate business requirements into reliable services, write tests and docs, perform performance tuning and incident troubleshooting, collaborate across teams, and mentor junior engineers while following engineering best practices.

The Senior Java Developer will oversee the software development life cycle, manage requirements, and lead junior developers in creating high-quality applications.

Design, develop, and optimize backend systems using Java and Spring. Contribute to architecture for scalability and high-availability, solve high-concurrency problems, participate across the SDLC, and collaborate with regional teams to share best practices and elevate technical capabilities.

Design and optimize backend architecture for Wallet Earn and AI Agent Marketplace; build risk-control and multi-chain asset/position platforms; integrate DeFi protocols; ensure high availability, fund safety, performance, and observability; diagnose production issues and drive complex features to delivery.

Develop and maintain Java-based backends and React frontends, build RESTful microservices and micro frontends, integrate databases, use version control, and work within Agile/Scrum teams.

Develop, test, deploy, and maintain enterprise web solutions. Collaborate across the SDLC with engineers, analysts, and architects. Participate in pair programming, code and design reviews, production deployments, and post-implementation support while ensuring development best practices.

The role involves hands-on implementation of FX trading systems, collaborating with teams to design and enhance system architecture, and ensuring adherence to best practices.

Design and execute load, stress, scalability, and reliability tests. Analyze Java application and JVM performance, identify bottlenecks, implement architecture- and code-level optimizations, troubleshoot production microservice performance, build automated performance tooling, and collaborate with DevOps to ensure high availability.

Develop and maintain microservices-based backend systems (Java/Spring) and responsive React frontends. Collaborate with product, design, and QA; implement CI/CD, automate tests, troubleshoot production issues, and drive engineering best practices for wealth and trading workflows.

Senior Java developer to build and maintain backend services for enterprise blockchain applications, integrate APIs with React/Vue front ends, design scalable solutions, troubleshoot complex backend issues, and collaborate with cross-functional teams to adopt blockchain best practices.

Optimize blockchain node performance, design and implement core system plugins, collaborate across teams to integrate blockchain solutions, perform performance testing and debugging, and monitor emerging blockchain technologies.

Lead backend development and architecture for a centralized exchange (CEX). Design large-scale, real-time payment and matching systems, resolve critical technical issues, drive middleware and rule engine development, perform technical reviews, implement core architecture, and mentor developers to improve engineering processes and system reliability.

The role requires designing and developing J2EE Enterprise Solutions with a focus on Web API using REST, XML/JSON, and various application architectures.

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.

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

The role involves Java application development in the financial industry, translating ACCESS programs to Java, performing business analysis, and managing SIT and UAT phases.

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

Seeking a Senior Java Developer with over 5 years in application development for the banking domain, skilled in Java, AngularJS, and various technologies.

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.

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