Top Software Engineer Jobs in Singapore

Join the GTPN team to design and build global treasury and payment platform features. Collaborate with PMs and designers, develop backend or frontend services (Kotlin/Java or ReactJS), apply system design and data-driven insights, and deliver high-quality financial products used worldwide. Role based in Singapore.

Design, build, and maintain data pipeline solutions and curated datasets using Python and distributed frameworks. Own full software lifecycle, produce secure high-quality code, leverage AWS services, apply AI-assisted development tools, collaborate across teams, and ensure data and system resiliency and security.

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.

Summer intern role building high-performance, large-data research platforms and web frameworks. Collaborate in small teams to create tools for trading strategies, applying distributed computing, NLP, and machine learning.

Design, code, test, deploy, and maintain software to automate operations and ensure reliability. Troubleshoot incidents, implement observability, resiliency, automated upgrades, change and release management, and participate in 24x7 support.

Design and implement enterprise Android applications and libraries. Collaborate with product and business teams to define requirements, own full-cycle product development, refactor for maintainability with architects, and maintain high test coverage and CI/CD automation. Contribute cross-platform knowledge and payment domain integration where applicable.

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.

Design, implement, and maintain native iOS applications and libraries. Own full-cycle product development, collaborate with product and finance stakeholders, refactor for maintainability, integrate secure data and compliance practices, and support CI/CD and testing pipelines.

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

The Senior Embedded Graphics Software Engineer develops and maintains GPU software stacks, collaborates on graphics APIs, and supports pre- and post-silicon testing.

Develop, test, deploy, and support real-time payments platform components. Implement features using approved architectures (microservices, event-driven), ensure code quality, automated tests, observability, and participate in on-call and incident remediation. Collaborate with product, QA, and DevOps while improving reliability and maintainability of production systems.

12-week software engineering intern who owns an end-to-end project, works with mentors, and contributes to production-grade systems. Learn and apply best-practice engineering using a modern stack (Kotlin, Kafka, Kubernetes, React) and AI/LLM tools for research, prototyping, debugging, testing and documentation. Participate in cohort activities, program reviews, and a final project showcase.

As a Software Engineer Intern, you'll develop high-performance platforms and technological tools for trading strategies while collaborating with senior team members at Citadel Securities.

Build and enhance the SteelSeries GG and Nahimic Windows desktop/web applications. Design, implement, and test features, collaborate with firmware/driver/DSP/UX teams, improve stability/performance, and mentor peers while reducing technical debt.

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.

The Software Engineer (Full Stack) will develop scalable software solutions in an agile environment, collaborate globally, and explore innovative technologies, especially in payments and commerce.

Design, develop, and troubleshoot secure, high-quality production code; improve operational stability via automation; lead technical evaluations and communities of practice; use enterprise AI-assisted development tools responsibly; and apply SDLC, CI/CD, resiliency, and security best practices.

Design, develop, test, and maintain secure, scalable cloud platform services. Produce high-quality production code, architecture artifacts, and data-driven insights. Use enterprise AI-assisted development tools responsibly, participate in CI/CD and resiliency practices, and troubleshoot complex production issues to ensure operational stability.

Design, build, and support scalable portfolio management systems. Triage production incidents with portfolio managers, implement event-driven/streaming pipelines, drive engineering best practices and AI-assisted development, and collaborate with product and stakeholders to translate investment workflows into resilient, observable tools.

Summer internship within a Software Engineer Program: design, develop, test, and troubleshoot software; write secure code; use modern tooling and approved AI development tools; collaborate with engineers and stakeholders; apply automation, CI/CD, resiliency, and security practices.

Lead design and implement a low-latency options market making and volatility execution platform. Develop and optimize performance-critical C++17/20 components for high-throughput market data and order flow, build trading controls and risk safeguards, collaborate with quantitative researchers and traders, drive architecture and operational stability, and adopt enterprise AI-assisted engineering practices.

Designs, develops, debugs, and delivers secure, high-quality React-based front-end applications. Produces architecture and design artifacts, creates visualizations from large datasets, provides UI technical leadership, collaborates on standards-based solutions, improves code quality, and participates in engineering communities and events.

Design, implement, and lead backend billing systems and microservices. Collaborate with product and cross-functional teams to build scalable, high‑concurrency, high‑availability billing and invoicing platforms, introduce new technologies, and establish team coding standards.

Build and maintain React + TypeScript micro frontends and Node.js BFFs for onboarding and KYC workflows. Implement design systems, GraphQL integrations, CI/CD deployments to GCP/Aliyun K8s and CDN, and automated unit/e2e tests to ensure secure, scalable onboarding experiences.

Lead technical direction and hands‑on implementation of Airwallex's real‑time risk and fraud detection platform. Design distributed, low‑latency systems; own end‑to‑end delivery; write production Java/Spring Boot code; integrate ML models and feature stores; ensure observability, reliability, and operational excellence; mentor engineers and collaborate across product, data, SRE, and security teams.