Top Engineering Jobs in Singapore

Lead and grow engineering teams that build and operate card issuing, transaction processing, and settlement platforms. Provide people leadership, technical and architectural direction, ensure reliability, scalability, observability, and compliance, drive platform improvements, and collaborate with product and operations to deliver high-impact systems.

Design, develop, and operate a resilient, high-throughput, low-latency notification platform supporting SMS, email, push, WhatsApp, and inbox messaging. Build scalable event-driven distributed systems, manage Kafka pipelines, troubleshoot production issues, improve automation and technical quality, and collaborate with global Product, Engineering, Design, and Issuing Platform teams.

Design, implement, and operate highly available global network infrastructure across LAN, WAN, VPN and cloud (primarily AWS) regions. Troubleshoot complex network devices, manage global connectivity, run incidents and on-call rotations, mentor junior engineers, maintain documentation and change control, and evaluate networking technologies to meet regulatory and compliance needs.

Six-month full-time internship designing, building, testing, and deploying production-ready card issuing and spend card features across backend, APIs, and front-end. Tasks include technical design, feature development, automated testing, observability, production deployment, cross-functional collaboration, and showcasing delivered capabilities under mentor guidance.

Lead development of Airwallex's iOS mobile app and build 3DS card authentication infrastructure. Design and implement enterprise iOS libraries, integrate REST/GraphQL APIs, ensure secure data handling and regulatory compliance, own full product lifecycle, refactor for maintainability, and collaborate with product and architecture teams. Contribute to CI/CD and testing practices.

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.

Design and implement enterprise iOS applications and libraries. Own full product development cycles, define technical specs with product teams, refactor for maintainability, and integrate data protection and regulatory compliance. Contribute to CI/CD, testing, and cross-platform (Android) collaboration.

Design, build, and maintain scalable, secure backend services for card issuance and spend management. Own end-to-end feature delivery, contribute to architecture, write reliable testable code, ensure observability and API quality, collaborate cross-functionally, and mentor other engineers.

Design and build Airwallex's global edge infrastructure: API gateway, CDN, DNS routing, and perimeter security. Implement security-as-code, rate-limiting, WAF rules, bot-detection, self-service tooling, and reliability improvements. Collaborate with product, platform, and security teams and ship high-throughput, low-latency services.

Lead strategy, roadmap, and delivery of real-time fraud detection and client-facing risk products. Architect scalable, high-availability systems, drive operational excellence, recruit and develop engineering managers and senior engineers, collaborate with cross-functional teams, and ensure reliability, observability, and cost-efficient real-time decisioning under high load.