Top Java Developer Jobs in Singapore

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.

Design, build, and maintain high-performance Java systems; develop DeFi adapter contracts and perform on-chain contract analysis; integrate AI-assisted tools to accelerate development; collaborate on architecture and apply emerging technologies to improve reliability and efficiency.

The Java Developer will design, develop, enhance, and maintain enterprise-level applications, ensuring performance and compliance with development standards while collaborating with cross-functional teams.

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.

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

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

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.

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 leading development teams, coding in Java, reviewing technical solutions, and ensuring compliance in application delivery related to payments integration.

The role involves leading application systems analysis, overseeing development teams, managing client engagements, ensuring software quality, and compliance within the Financial Service industry.

Design and build high-performance Java microservices and data pipelines to parse, transform, and analyze multi-chain on-chain data in real time. Integrate with Kafka, Redis, RDS, and data lake systems; optimize low-latency computation for token prices, swaps, liquidity metrics; ensure fault tolerance, observability, and alignment with long-term data platform strategy.

Design, develop, and optimize high-performance Java backend systems. Contribute to architecture, implement core modules, troubleshoot production issues, perform code reviews, and improve scalability, availability, and reliability of distributed financial or blockchain systems.