Top Software Engineer Jobs in Singapore

As a Software Engineer at Citadel, you will build systems for investments, collaborate with researchers, and tackle complex problems.

Provides production support for FX and Commodities trading applications, troubleshooting complex business and infrastructure issues while minimizing downtime. Develops secure Python software, monitoring tools, automation, helper APIs, and AI-assisted solutions across on-premises and AWS cloud environments. Supports trade floor users, improves operational workflows, manages onboarding and infrastructure upgrade projects, and contributes to resiliency management, observability, and continuous application improvement.

Develop and deploy Java microservices for Trading Technology using reactive programming, Kafka, IBM MQ, Kubernetes, Redis, and AWS. Contribute to API and domain-driven design, testing, code reviews, scalability validation, monitoring, security, and technical documentation. Apply CI/CD, DevOps, TDD/BDD, distributed systems, and enterprise-approved AI-assisted development practices while supporting secure, scalable, event-driven applications.

Develops secure, scalable full-stack and back-end software for JPMorganChase’s Global Portfolio Holdings Technology team. Responsibilities include designing and troubleshooting applications, producing architecture artifacts, implementing Java and Python solutions, collaborating across globally distributed Agile teams, and maintaining automated testing, CI/CD, monitoring, and operational reliability. The role also applies AI-assisted development tools responsibly, analyzes application data, and guides improvements to software quality, architecture, security, and resiliency.

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.

Develops secure, scalable software solutions for JPMorganChase’s Asset and Wealth Management technology teams. Responsibilities include Java and React development, microservices architecture, production coding, automated testing, application design, data analysis, performance tuning, CI/CD, resiliency, security, and use of enterprise-authorized AI coding tools. Collaborates in agile teams to troubleshoot complex technical issues and improve system architecture and development practices.

Develop and optimize C++17/20 low-latency trading systems for options market making and volatility execution. Build high-throughput market data and order flow platforms, implement exchange connectivity, troubleshoot production systems, and produce architecture artifacts. The role requires performance optimization, socket programming, real-time messaging, secure coding, testing, operational stability, and responsible use of AI-assisted development tools. Knowledge of derivatives pricing, market data handlers, order management systems, and mentoring is preferred.

Develops secure UI and backend services enabling compliant enterprise AI and LLM access for China-based users. Responsibilities include designing APIs and applications, integrating approved LLM endpoints, implementing policy enforcement and access controls, producing architecture artifacts, maintaining AWS services, analyzing operational telemetry, and improving resiliency, security, and coding practices. The role also promotes responsible AI-assisted development, testing, automation, and agile software delivery.

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.

Designs, develops, and maintains secure, high-quality production code and architectures for payments systems. Troubleshoots complex issues, analyzes large datasets for improvements, leverages AI-assisted development tools, follows SDLC and agile CI/CD practices, and contributes to team culture and engineering communities.

Build and operate backend services for global liquidity, safeguarding, investment workflows and cash data. Design scalable systems for forecasting, cash positioning, fund movement and optimisation. Implement event-driven microservices (Kafka, gRPC/REST), persistence (Postgres/NoSQL), strong controls, testing, observability and on-call runbooks. Collaborate with Product, Treasury, Finance, Compliance and Data to deliver reliable, auditable, and highly available liquidity platform features.

Develops, tests, troubleshoots, and maintains secure, scalable software for Payments Technology. Designs applications, produces architecture artifacts, analyzes data to improve systems, and supports operational stability within an agile SDLC. Uses enterprise-authorized AI development tools responsibly for coding, testing, refactoring, and documentation while validating outputs through testing and peer review. Collaborates in engineering communities and contributes to inclusive team culture.

Build scalable software for Palantir Gotham, Apollo, or Foundry across the full product lifecycle, from design and prototyping through shipping. Collaborate with engineers, product managers, designers, users, and business teams to solve customer problems. Develop high-quality code, learn evolving technologies, and contribute to backend or frontend product teams with mentorship and ownership.

Software Engineering Interns build and ship features for Palantir Gotham, Foundry, or Apollo. They contribute across the product lifecycle, collaborate with technical and non-technical teams, understand user needs, and write high-quality, scalable code. Interns may work on backend, frontend, infrastructure, or release systems while receiving dedicated mentorship. The role requires strong communication, independent learning, and familiarity with software engineering fundamentals, data structures, storage systems, cloud infrastructure, and frontend frameworks.

Design and build ecosystem platforms, APIs, SDKs, webhooks, UI-extension frameworks, and developer tooling connecting Airwallex with third-party financial and business platforms. Lead platform architecture and technical roadmaps, establish coding, observability, and security standards, and improve external developer experience through documentation, sandboxes, and integrations.

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.

Lead and coach a Singapore-based software engineering team to build and scale Adyen's Global Cards platform across APAC. Translate product priorities into resilient, maintainable backend solutions, drive architecture and engineering quality, collaborate cross-functionally, and own credit card payments strategy and operational excellence.

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.

Build and own test automation, frameworks, test data, isolated environments, contract tests, and quality gates for risk decisioning systems. Integrate API, end-to-end, regression, smoke, and post-release verification testing into CI/CD. Validate jurisdiction-specific behavior, mentor engineers, support release acceptance, and develop testing approaches for ML models and LLM agents.

Build and scale Airwallex’s machine learning platform for risk and fraud decisioning. Design data and model infrastructure, productionize training and serving workflows, improve experimentation, and optimize GPU-based training and inference. Partner with machine learning engineers, data scientists, product managers, and risk specialists to deliver reliable, low-latency systems. The role is based in Singapore and requires working from the office five days per week.

Develop secure full-stack software solutions, write and maintain high-quality code, perform security testing and vulnerability assessment, troubleshoot incidents, and improve platform resiliency. The role applies AI-assisted security workflows, automation, secure SDLC practices, cryptography, authentication, authorization, and regulatory controls. Engineers collaborate across teams, validate AI-generated recommendations, and support reliable application operations using technologies such as Python, Java, AWS, Kubernetes, observability tools, and infrastructure as code.

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.

Designs and develops desktop applications, RESTful APIs, and AI-powered software. Responsibilities include integrating and deploying machine learning models, participating in architecture and requirements planning, maintaining and optimizing codebases, designing databases, and collaborating with cross-functional R&D teams. The role requires full-cycle frontend and backend development, system integration, database expertise, and familiarity with Agile methodologies and cloud platforms.

Develop and modernize full-stack applications using React, Angular, Node.js, Spring Boot, GraphQL, and microservices. Improve backend-to-frontend architecture, make strategic technical decisions, design and test user interfaces and APIs, enhance system performance and reliability using New Relic and telemetry, and mentor junior engineers. The role requires cloud, database, DevOps, source-control, and task-management experience.

Build and maintain native iOS features for compliance-focused onboarding, identity verification, risk control, and regulatory systems. Integrate APIs, SDKs, hardware capabilities, biometrics, and security features while ensuring performance, modularity, testing, and maintainability. Collaborate cross-functionally, participate in code reviews, diagnose production issues, and use modern development tools and AI coding assistants to accelerate delivery.