Top Software Engineer Jobs in Singapore

The role involves architecting and implementing robust Java backend solutions, optimizing performance, leading projects, and collaborating with multiple teams while ensuring code quality.

As a Forward Deployed Engineer, you will own the execution of major projects, collaborating with customers to deliver tailored software solutions using Python.

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

Design, build and maintain scalable, secure cloud infrastructure and core services. Work on public cloud platforms, Kubernetes and service mesh, automate operations with IaC, and collaborate with engineering, product and security teams to ensure reliability and developer usability at global scale.

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.

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.

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.

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.

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.

Design, implement, and deliver production-grade, low-latency streaming ingestion and search platform features. Build and optimize large-scale distributed systems (streaming, storage, partitioning, resilience). Collaborate with product and global engineering teams, perform design/code/performance reviews, translate business requirements into robust engineering solutions, and maintain platform reliability and scalability.

Design and build cloud cost management and security/access platforms: billing and cost-attribution pipelines, self-serve cost dashboards, anomaly detection, cost-optimization and automated rightsizing, and Just-In-Time access and credential management for production cloud and CI/CD environments.

Design, build, and operate the citizen‑developer platform and workflow infrastructure. Create self‑serve tooling, secure SDLC guardrails, Temporal‑based workflows, Kubernetes/GitOps foundations, and documentation. Partner with application teams, run on‑call and incident response, and improve developer experience and platform reliability at scale.

Own end-to-end design and development of scalable payment and treasury systems, shape APIs and architecture, drive production excellence, and collaborate cross-functionally to build customer-facing fintech solutions and AI-enabled automation.

Build and maintain Airwallex's iOS app: design and implement enterprise iOS applications and libraries, define requirements with product and business teams, own full-cycle product development, refactor for maintainability and extensibility, integrate data protection and regulatory best practices, and ensure high test coverage and CI/CD automation.

Design and implement Android applications and libraries, collaborate with product and finance stakeholders to define requirements, own full-cycle development, refactor for maintainability, and ensure secure, reliable, testable mobile solutions.

Design, implement, and operate production-grade search and streaming infrastructure. Build low-latency, high-throughput ingestion pipelines (Flink/Kafka/Postgres), collaborate with product and global teams, perform code/design reviews, and troubleshoot distributed system performance and resilience.

Lead architecture and development of backend systems for card products, drive cross-team technical initiatives, own service lifecycle, ensure scalable, secure, high-performance designs, establish best practices, and mentor engineers.

Design and build developer-facing products: APIs, developer portal, docs, and analytics pipelines. Collaborate across product, engineering, and support to improve onboarding and scale. Contribute open-source tools, external services, and incorporate AI to elevate developer experience.

Design, build, and maintain scalable Java/Kotlin microservices and event-driven systems for high-throughput global growth initiatives. Collaborate with data scientists and product teams to create data pipelines and analytics, enable A/B testing and feature toggles, improve observability and performance, and ensure secure, compliant backend solutions while mentoring peers.

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

Develop and maintain internal systems and tools to automate production environments, build scalable web services, collect and visualize large data sets, support other technical teams, and implement innovations to improve trading infrastructure.

Join YouTrip as a Software Engineer focusing on backend development, building scalable and secure systems, collaborating with teams, and improving services.

Build, test, deploy and operate government-facing web and mobile services using Next.js and Node.js. Implement REST/GraphQL APIs, containerised microservices (Docker, AWS ECS/EKS), integrate headless CMS and third-party government APIs, and manage post-launch monitoring, incident/change management, and compliance (SHIP-HATS 2.0, IM8, SGDS, accessibility). Lead test automation, API testing, and performance/regression testing. Collaborate with product teams and stakeholders to deliver accessible, secure digital products.