Top Software Engineer Jobs in Singapore

Design, build, and maintain secure iOS apps and SDKs for identity and access management. Implement protocol-driven auth flows, validate against threat models, own SDK test strategy and CI/CD with automated security checks, adopt AI responsibly across the SDLC, add privacy-conscious telemetry, and contribute to product innovation.

Design, develop, and maintain responsive, accessible frontend web applications. Collaborate with BAs, PMs, QA, and DevOps; enforce frontend best practices, performance optimization, security, testing, and documentation in an Agile/XP environment.

Design, develop, and maintain scalable, secure backend APIs and services in a cloud-native environment. Collaborate with BA/PM, QA, and DevOps to implement CI/CD, automated testing, observability, and security-compliant architectures for government clients. Contribute to microservices, event-driven systems, and where applicable blockchain and smart contracts.

Design and build the foundational data layer, pipelines, and integrations for a manufacturing data platform. Develop backend services, APIs, and user-facing applications; implement data quality, monitoring, resilience, and audit capabilities; produce documentation, runbooks, and QA for production readiness; collaborate with operations and stakeholders to iterate on UI/UX and business logic.

Develop and maintain front-end game projects, implement responsive UIs, collaborate with art/design/backend teams, ensure UI/UX feasibility, optimize performance, follow front-end best practices, perform code reviews, and stay current with industry trends.

As a Software Engineer in Support, you'll provide technical assistance for video streaming technology, troubleshoot issues, and build customer relationships to maximize product value.

The role involves developing IT applications, leading projects, and designing architectures while focusing on customer needs and stakeholder communication.

The intern will implement off-board services for autonomous vehicles, working on backend/frontend development and collaborating with designers to create user-friendly applications.

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

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.

Build and maintain internal developer platforms, tools, and AI-powered solutions to improve productivity, reliability, observability, and security. Debug and optimize backend services, APIs, databases, and CI/CD pipelines while partnering with cross-domain engineering teams to adopt standards and reduce operational friction.

Support implementation and maintenance of secure digital-asset custody (cold storage, multi-sig), monitor blockchain transactions, develop and improve smart contracts and scripts, and enhance blockchain payment networks for high availability.

Six-month full‑stack software engineering internship contributing to fiat and stablecoin payment rails. Build end-to-end features across frontend and backend, support payment flows, craft responsive React interfaces, work with mentors, participate in code reviews, testing, debugging, and performance/security optimization.

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.

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.