Top Software Engineer Jobs in Singapore

Lead design and implementation of a next-gen billing platform: analyze requirements, design architecture, develop core components on a microservice framework, ensure high concurrency/availability, introduce new technologies, and build/manage the technical team and coding standards.

Design, build, and maintain secure, scalable lending services and APIs for enterprise credit products. Lead architecture and design reviews, mentor engineers, champion resilient distributed systems, and ensure strong testing, monitoring, and delivery practices.

Lead design and implementation of a next-generation billing platform. Architect and develop microservice components, ensure high concurrency, availability and performance, collaborate with product and cross-functional teams, introduce new technologies, and build/manage the technical team and coding standards.

Design, build, and maintain scalable microservices for high‑traffic growth funnels. Collaborate with product, design, and data teams to enable data‑driven experiments, A/B testing, analytics pipelines, and observability. Ensure secure, fault‑tolerant, cloud‑native architectures and mentor peers to improve quality and performance.

Design and build scalable backend infrastructure for global payments: optimize API gateways, routing, search, notifications, workflows; solve distributed systems challenges, evaluate new technologies, and improve developer experience and performance at scale.

Design, build, and maintain secure, scalable lending services and APIs. Lead architecture and design reviews, mentor engineers, ensure reliability and observability, and collaborate cross-functionally to deliver enterprise credit products.

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 backend and frontend components for global treasury and payment products using Kotlin/Java or ReactJS. Collaborate with product managers and designers, empathize with customers, and use data to measure and optimize product performance. Contribute to scaling Airwallex's payment infrastructure and shipping high-quality features.

Design and build scalable, high-availability microservices (Java/Kotlin) to support global onboarding and KYC integrations. Collaborate with data, product, and frontend teams to create event-driven data pipelines, define SLOs, improve observability, and ensure secure, compliant systems for customer onboarding and identity verification.

Design, build, and maintain scalable, secure lending services and APIs. Drive architecture and reliability for distributed, high-throughput credit products, mentor engineers, and collaborate cross-functionally to deliver compliant embedded lending solutions.

Software Engineers at Citadel develop, maintain, and support high-performance trading platforms, focusing on custom software solutions and system stability.

The Software Engineer will develop features for SonarQube, architect cloud-native applications on AWS, and mentor junior engineers, ensuring code quality and effective agile processes.

Design, build, and operate the citizen‑developer platform and underlying Temporal-based workflow infrastructure. Improve developer experience, establish secure SDLC and guardrails, create self-serve tooling, contribute to Kubernetes/GitOps foundation, participate in code reviews and on-call incident response, and document standards and reference architectures for platform users.

Lead design and development of scalable data infrastructure and self-service tooling for data engineering teams. Provide technical leadership, implement robust systems (Kubernetes/Terraform/GitOps), ensure quality through testing and maintenance, troubleshoot production issues, and collaborate cross-functionally to deliver reliable data platforms.

Lead Software Engineer for Real-Time Payments responsible for technical leadership, architectural design, hands-on coding, and ensuring reliability and performance of payment systems.

Six-month traineeship to learn and contribute to Android app development using Kotlin. Work in cross-functional agile teams, build and maintain client applications, integrate AI into mobile workflows, and gain experience with large codebases and scalable backends.

Design, develop, and debug complex software for semiconductor equipment; define specifications and test plans; lead projects; interact with customers for requirements and troubleshooting.

Manage software engineering projects and teams end-to-end: define objectives, plan resources, ensure on-time delivery within specifications and costs, enforce documentation/compliance (ISO, IP, safety), drive R&D and process improvements, mentor staff, and resolve complex technical and operational problems.

Design and build secure, scalable frontend identity and account solutions using React and TypeScript. Implement micro-frontends, BFF Node services with Apollo GraphQL, CI/CD deployments, component libraries, testing (unit and e2e), and CMS-driven pages while collaborating with product, design, and backend teams to improve security, performance, and developer experience.

Lead architecture and roadmap for the App Marketplace/Extension Framework. Design and build SDKs, webhooks, APIs and UI-extension patterns. Ensure technical excellence with coding standards, observability, and security. Improve developer experience with documentation, sandboxes, and tooling. Integrate with external financial institutions and third-party platforms to scale the ecosystem.

Design, develop, and maintain APIs and checkout features for global payments. Build reliable, high-availability payment processing systems, troubleshoot production issues, optimize critical components, and collaborate with cross‑functional teams and financial partners to ensure seamless merchant integrations and user experiences.

Build and scale backend ledger and reconciliation systems for financial data and transactions. Collaborate with product, design, and engineering to deliver secure, scalable features. Implement data integrity checks, follow security best practices, and use data-driven feedback to evolve product requirements while working closely with finance stakeholders.

Lead design and build of high-performance distributed data infrastructure and AI enablement platforms. Optimize systems internals and JVM performance, implement lakehouse and real-time streaming, develop scalable vector indexing and AI knowledge platform, own SDLC for petabyte-scale systems across global regions, drive engineering best practices, and mentor mid-level engineers.

Build and maintain Airwallex's 3DS card authentication infrastructure and payment APIs. Design, develop, and operate reliable services, collaborate with global teams and financial partners, troubleshoot production issues, and own critical components of the online payment processing flow.

Design, build, and operate core transaction risk microservices in Kotlin/Java. Deliver high-concurrency, highly available distributed systems, improve observability, evaluate graph/streaming/ML/LLM technologies, mentor engineers, and participate in on-call incident response to detect and prevent fraud at scale.