Top Java Developer Jobs in Singapore

Leads end-to-end software engineering for regulatory reporting initiatives in payments technology. Builds secure, scalable Java and Python applications and Databricks/Spark data pipelines with quality, lineage, and reconciliation controls. Guides architecture, code reviews, automation, operational stability, and AI-assisted engineering adoption. Partners with vendors and internal teams while coaching engineers on secure, responsible AI practices and modern software delivery.

Develops secure, scalable Java applications and microservices for JPMorganChase’s Asset and Wealth Management technology teams. Responsibilities include system design, RESTful API development, production coding, troubleshooting, architecture documentation, data analysis, and TDD/BDD testing. The role requires Java and Spring/Spring Boot expertise, software development lifecycle knowledge, secure coding practices, and experience with enterprise AI-assisted development tools. Preferred experience includes AWS, Terraform, front-end technologies, and full-stack development.

Leads software engineering within an agile Asset and Wealth Management technology team. Designs, develops, tests, troubleshoots, and reviews secure, scalable Java applications. Drives production stability, automation, CI/CD, resiliency, and responsible adoption of AI-assisted development tools. Coaches engineers on validating AI outputs and secure practices, and evaluates vendor and architectural solutions. Requires cloud-native experience, financial services IT knowledge, and expertise with Java and Spring Boot; AWS and Terraform experience is preferred.

Develop and maintain secure, resilient software for a mission-critical real-time payments platform. Responsibilities span design, Java/Spring development, testing, troubleshooting, code reviews, production readiness, automation, and operational support. The role requires full SDLC participation, distributed systems understanding, cloud exposure, secure coding, responsible AI-assisted development, and collaboration across upstream and downstream systems.

Develops secure, scalable cloud software and infrastructure solutions using Java and Python. Responsibilities include system design, application development, troubleshooting, architecture documentation, testing, operational stability, data analysis, and continuous improvement. The role also applies AI-assisted development tools responsibly, supports agile SDLC practices, and works with cloud infrastructure, infrastructure-as-code, databases, messaging systems, resiliency, and security practices.

Develops, designs, tests, troubleshoots, and maintains secure, scalable software components within an agile banking technology team. Writes high-quality Java or Kotlin code, considers system dependencies, supports operational stability, analyzes data to solve technical problems, and applies SDLC automation and AI-assisted development tools. Requires collaboration across system design, application development, testing, security, resiliency, and cloud technologies, with blockchain and modern front-end familiarity preferred.

Develop and maintain high-throughput, resilient data integration and regulatory calculation systems for institutional securities and market risk. Responsibilities span requirements gathering, solution design, coding, testing, support, and collaboration with business stakeholders. The role involves Java, Scala, Python, data management systems, Jenkins CI/CD, legacy code, and financial-market technologies.

Develop and optimize Java backend systems, design scalable and highly available architectures, solve complex high-concurrency problems, and participate throughout the software development lifecycle. Responsibilities include coding, refactoring, testing, deployment, monitoring, technical innovation, cross-functional collaboration, and knowledge sharing.

Develop and support latency-sensitive front-office trading applications using Java. Translate business and regulatory requirements into reliable, secure solutions; enhance quoting applications; build observability, monitor production health, resolve incidents, and address root causes. Collaborate globally with business users, lead deliveries, mentor junior engineers, and contribute to engineering practices in an agile environment.

Leads cross-functional technology teams, provides technical mentorship, drives software and technology initiatives, evaluates new technologies, develops technology roadmaps, translates business requirements into solutions, manages vendors, and ensures successful project delivery. The role requires strong software development expertise, cloud knowledge, Agile experience, strategic thinking, stakeholder management, and 8–10 years of technology leadership experience.

Design, build, and operate high-performance Java backend services and distributed financial systems. Responsibilities include developing Spring and Spring Boot APIs, optimizing latency and asynchronous processing, integrating financial platforms, implementing messaging and event-driven flows, conducting performance testing, and maintaining code quality through testing, reviews, and CI/CD. The role also involves shaping wealth-management capabilities integrated with e-banking, ensuring security, auditability, reliability, and end-to-end ownership across the software lifecycle.

Implements software development lifecycle tasks under guidance from experienced staff, follows established standards and procedures, makes technical decisions, collaborates with peers and project leads, and contributes to code and design reviews.

Build and support full-stack wealth and trading applications using Java microservices and ReactJS. Design RESTful services, develop responsive frontends, implement testing and CI/CD, troubleshoot production issues, and improve system performance and reliability. Collaborate with product owners, business users, designers, QA, analysts, and other engineers across the full SDLC. The role requires extensive enterprise Java experience and familiarity with financial services, cloud-native architecture, containers, orchestration, messaging, and DevOps tools.

Develop and optimize Java backend systems, contribute to scalable and fault-tolerant architecture, solve high-concurrency technical challenges, and participate throughout the software development lifecycle. Responsibilities include design, coding, refactoring, testing, deployment, monitoring, collaboration, and knowledge sharing.

Design, develop, and maintain Java and VolPay payment and messaging solutions for banking platforms. Responsibilities include customizing payment workflows, integrating APIs with internal systems and external networks, supporting SWIFT, ISO 20022, and SEPA flows, conducting testing and code reviews, troubleshooting production issues, contributing to DevOps processes, and supporting deployments. The role collaborates with business stakeholders and technical teams to deliver scalable, reliable payment solutions.

Develop and maintain full-lifecycle web and mobile applications using Java, AEM, and related cloud technologies. Responsibilities include requirements gathering, solution design, development, release management, post-launch maintenance, issue resolution, and collaboration with Product, Design, Business, and agile delivery teams. The role also supports project managers and Scrum Masters in stakeholder consultation and delivery. Candidates may work across full-stack development, DevOps, cloud infrastructure, databases, microservices, and platform technologies.

Build, maintain, and optimize scalable full-stack applications using React.js and Java. Develop microservices and API integrations, manage CI/CD pipelines, and architect cloud infrastructure on AWS or Azure using Kubernetes, EKS, or AKS. Troubleshoot frontend, backend, and infrastructure issues while improving application performance, security, and scalability. Collaborate cross-functionally and apply modern full-stack development practices.

Develop and maintain backend services using Java, microservices, Spring Boot, REST APIs, AWS, and Kubernetes. Apply object-oriented programming, test-driven development, JUnit, build automation, and CI/CD practices. Collaborate with a leading client and communicate effectively with technical and business stakeholders. Candidates must be based in Singapore and able to start within four weeks.

Design, build, and operate core wallet backend modules handling address management, transaction construction/broadcasting, nonce and gas handling, multi-chain integrations, monitoring, and incident troubleshooting. Own module design and delivery, improve system reliability and performance, integrate new blockchains and asset standards, and apply AI coding tools to increase engineering efficiency while maintaining high security and production stability.

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

Design and build highly available, high-concurrency payment backend systems for OKX Pay. Implement scan-to-pay, transaction processing, crypto/stablecoin on-chain flows, reconciliation, refunds, and robust state transitions. Ensure system stability, security of funds, observability, and drive incident resolution and architectural improvements.

Develop, analyze, design, test, and implement application systems. Perform feasibility studies, estimate time/cost, provide user and operational support, recommend security and process improvements, consult with stakeholders, coach junior analysts, and ensure compliance with policies and risk controls.

Develop and maintain Java-based products (ProGuard, DexGuard), research and implement code-hardening and optimization techniques, work with Java bytecode and compiler technology, debug complex issues, support customers on integration and troubleshooting, and improve software quality in a team building an R&D presence in Singapore.

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.

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.