Top Software Engineer Jobs in Singapore

Develop and maintain cross-platform consumer mobile applications using React Native, TypeScript, and JavaScript. Build reusable components, integrate REST and GraphQL APIs, implement state management, optimize performance, troubleshoot crashes, support testing and CI/CD releases, and apply accessibility and usability principles. Collaborate with product, design, QA, and engineering teams in Agile delivery environments while contributing to code reviews, experiments, and engineering standards.

Build and own test automation, frameworks, test data, isolated environments, contract tests, and quality gates for risk decisioning systems. Integrate API, end-to-end, regression, smoke, and post-release verification testing into CI/CD. Validate jurisdiction-specific behavior, mentor engineers, support release acceptance, and develop testing approaches for ML models and LLM agents.

Build and maintain full-stack features for secure, high-volume fintech and cryptocurrency transactions. Develop Golang and Java backend services, Node.js and TypeScript APIs, and React/Next.js applications. Integrate third-party systems, implement OAuth 2.0 authentication, work with microservices, and ensure security, performance, reliability, and observability. Contribute to architecture discussions, code reviews, technical documentation, and end-to-end feature ownership in a fully remote environment.

Build and scale Airwallex’s machine learning platform for risk and fraud decisioning. Design data and model infrastructure, productionize training and serving workflows, improve experimentation, and optimize GPU-based training and inference. Partner with machine learning engineers, data scientists, product managers, and risk specialists to deliver reliable, low-latency systems. The role is based in Singapore and requires working from the office five days per week.

Design, deploy, and scale production AI systems and applications. Responsibilities include building data pipelines, tuning and hardening models, collaborating with researchers, engineers, and product managers, monitoring live models, tracking AI advances, conducting code reviews, and owning solutions end to end amid changing priorities.

Lead technical workstreams delivering AML and financial crime technology solutions for APAC customers. Responsibilities include Java development, SQL troubleshooting, API integrations, solution design, testing, deployment planning, performance tuning, customer workshops, risk management, mentoring, and technical quality reviews across on-premises, cloud, and containerized environments.

Build and validate secure iOS mobile apps and SDKs for identity and access management. Develop authentication and identity-verification flows, design backward-compatible SDK APIs, maintain CI/CD pipelines with security scanning, and establish comprehensive testing strategies. Apply AI-assisted development responsibly across testing, documentation, debugging, review, and automation while conducting human-led security validation. Implement privacy-conscious telemetry, evaluate AI/ML tools, and contribute to product innovation in a security-critical environment.

Develop and operate innovation sandbox environments, including governance, onboarding, access controls, compliance, monitoring, troubleshooting, resource optimization, and chargeback validation. Build reusable innovation frameworks, self-service platforms, APIs, cloud environments, development toolkits, and shared services. Develop application-level solutions with TypeScript, Python, or JavaScript while advising stakeholders on platform capabilities, governance, and adoption.

Own fullstack product features from problem definition through production health using Elixir/Phoenix services and React/TypeScript interfaces. Set engineering quality standards, design shared foundations, make squad-level architectural decisions, mentor engineers, and validate user and business outcomes. Work on high-volume, real-time logistics applications involving distributed systems, event-driven workflows, performance, observability, and data-intensive interfaces. Use coding agents, agentic prompting, and MCP tooling thoughtfully throughout development.

Develop secure full-stack software solutions, write and maintain high-quality code, perform security testing and vulnerability assessment, troubleshoot incidents, and improve platform resiliency. The role applies AI-assisted security workflows, automation, secure SDLC practices, cryptography, authentication, authorization, and regulatory controls. Engineers collaborate across teams, validate AI-generated recommendations, and support reliable application operations using technologies such as Python, Java, AWS, Kubernetes, observability tools, and infrastructure as code.

Leads end-to-end software engineering for regulatory reporting initiatives in payments technology. Builds secure, scalable Java and Python applications and Databricks/Spark data pipelines with quality, lineage, and reconciliation controls. Guides architecture, code reviews, automation, operational stability, and AI-assisted engineering adoption. Partners with vendors and internal teams while coaching engineers on secure, responsible AI practices and modern software delivery.

Designs and develops desktop applications, RESTful APIs, and AI-powered software. Responsibilities include integrating and deploying machine learning models, participating in architecture and requirements planning, maintaining and optimizing codebases, designing databases, and collaborating with cross-functional R&D teams. The role requires full-cycle frontend and backend development, system integration, database expertise, and familiarity with Agile methodologies and cloud platforms.

Develop and modernize full-stack applications using React, Angular, Node.js, Spring Boot, GraphQL, and microservices. Improve backend-to-frontend architecture, make strategic technical decisions, design and test user interfaces and APIs, enhance system performance and reliability using New Relic and telemetry, and mentor junior engineers. The role requires cloud, database, DevOps, source-control, and task-management experience.

Build and maintain native iOS features for compliance-focused onboarding, identity verification, risk control, and regulatory systems. Integrate APIs, SDKs, hardware capabilities, biometrics, and security features while ensuring performance, modularity, testing, and maintainability. Collaborate cross-functionally, participate in code reviews, diagnose production issues, and use modern development tools and AI coding assistants to accelerate delivery.

Develop and maintain C# features for Unity’s 2D Editor and runtime, including sprites, tilemaps, animation, graphics, physics, and UGUI. Build structured APIs and tool definitions enabling LLM-based automation, expand automated test coverage, investigate community-reported bugs, evaluate agent performance against creator workflows, and collaborate with global engineering teams. The role offers mentorship and requires willingness to learn C++ and new areas of the codebase.

Develop and optimize Java backend systems, design scalable and highly available architectures, solve complex high-concurrency problems, and participate throughout the software development lifecycle. Responsibilities include coding, refactoring, testing, deployment, monitoring, technical innovation, cross-functional collaboration, and knowledge sharing.

Develop and maintain highly available full-stack services for Thunes’ global payments platform. Build client- and server-side API software, design and ship new products, improve scalability and performance, automate development processes, and deliver secure, tested, documented code. Collaborate through agile practices, evaluate technologies, and work with international technology teams across core and business products.

Build and maintain responsive React applications with reusable JSX components, state management, REST API integrations, performance optimization, and automated testing. Collaborate with design, backend engineering, and QA teams to deliver reliable user experiences. The role involves Java and Spring Boot API integration, responsive design, accessibility, routing, validation, troubleshooting, and defect resolution.

Develop and support full-stack web applications and AWS cloud platform components across frontend, backend, infrastructure integrations, and production environments. Build APIs, troubleshoot application and provisioning issues, manage CI/CD and Terraform workflows, investigate logs, resolve security vulnerabilities, and support cloud networking, containers, microservices, and government platform operations across development, SIT, UAT, and production.

Implements software development lifecycle tasks under guidance, follows established engineering standards, makes technical decisions, collaborates with peers and project leads, and contributes to code and design reviews. The role requires Java programming, object-oriented design, Spring framework knowledge, analytical problem-solving, and preferably experience building financial systems or payment platforms in regulated financial services.

Build full-stack features across web, mobile, AI, and spatial-computing projects. Interns will design APIs and systems, write tests, participate in code reviews and Agile ceremonies, collaborate with designers and clients, and deploy software through CI/CD. The internship includes mentoring and training in modern development tools, cloud platforms, AI-assisted development, and technologies such as TypeScript, React, Node.js, Swift, Kotlin, AWS, and Cloudflare.

Graduate software engineers will develop open-source and commercial software across the Linux stack, from firmware, kernels, and drivers to desktop applications, containers, clouds, and Kubernetes. Responsibilities include writing resilient, performant code, contributing to product roadmaps, engaging with users and open-source communities, addressing customer issues, and developing secure software. The role is globally remote with twice-yearly international team sprints and emphasizes mentorship, collaboration, and continuous technical growth.

Software Engineering intern who will design and develop systems, web or mobile applications, and proof-of-concepts supporting business workflows, data management, and information processing. Responsibilities include exploring technologies, documenting findings, meeting user requirements under mentor guidance, and presenting completed products to management and users.

Develop and test systems and applications supporting business workflows and information management. Conduct technology scans and proof-of-concepts, explore software and data-management technologies, deliver products meeting user requirements, and present completed systems to management and users. Potential projects include web or mobile applications with AI features. Work is performed under mentor guidance.

Software Engineering Interns will clarify project requirements, conduct technology scans and proofs of concept, and design, develop, test, and deliver software systems under mentorship. Projects may include web applications, internal workflow interfaces, data visualizations, content search and filtering, backend microservices, object storage, and graph databases. Interns will present completed systems to management and users.