Top Software Engineer Jobs in Singapore

Design, develop, test, integrate, and maintain enterprise software applications for banking services. Collaborate with business stakeholders and cross-functional teams, build APIs and microservices, implement messaging and event-driven integrations, participate in code reviews, troubleshoot issues, and support delivery through testing and deployment. The role also involves cloud, DevOps, security, and agentic AI development practices.

Lead the technical direction of Airwallex’s ecosystem platform, including its App Marketplace, extension framework, APIs, SDKs, webhooks, integrations, and developer tooling. Design scalable, secure systems, establish architectural and engineering standards, improve developer experience, and lead ambiguous cross-functional initiatives from strategy through delivery. The role is based full-time in Airwallex’s Singapore office.

Build and evolve ecosystem platforms, public APIs, SDKs, webhooks, UI extensions, and integrations across financial and business software systems. Shape the App Marketplace and Extension Framework roadmap, architecture, coding standards, observability, security, documentation, sandboxes, and developer tooling. Partner with engineering, product, design, and go-to-market teams to deliver scalable, reliable developer experiences and third-party integrations.

Lead design and deliver high-quality, secure Java-based microservices and web applications. Drive architecture reviews, operational stability, CI/CD automation, and adoption/governance of AI-assisted engineering practices while mentoring engineers and promoting reuse and secure SDLC standards.

Develops secure, scalable cloud software and infrastructure solutions using Java and Python. Responsibilities include system design, application development, troubleshooting, architecture documentation, testing, operational stability, data analysis, and continuous improvement. The role also applies AI-assisted development tools responsibly, supports agile SDLC practices, and works with cloud infrastructure, infrastructure-as-code, databases, messaging systems, resiliency, and security practices.

Assist Ethernet software developers with developing, testing, and debugging embedded software. Expand existing implementations across different hardware platforms, explore improvements to in-vehicle communication, develop software concepts, and document designs, implementation details, and test procedures.

Provides technical leadership for site reliability engineering across Walmart Data Ventures. The role establishes SRE standards, architects automation and observability frameworks, develops GenAI-powered agents and self-healing systems, and improves scalability, resilience, incident response, and operational excellence. Responsibilities include architecture reviews, CI/CD, testing, monitoring, debugging, cross-functional influence, and reducing incidents, mean time to resolution, and operational toil.

Lead and coach a Singapore-based software engineering team to build and scale Adyen's Global Cards platform across APAC. Translate product priorities into resilient, maintainable backend solutions, drive architecture and engineering quality, collaborate cross-functionally, and own credit card payments strategy and operational excellence.

Develop high-frequency trading infrastructure, including exchange connectivity, low-latency network and systems programming, historical market-data and simulation systems, data-analysis tools, and risk-management and performance-tracking tools. The role requires strong C++ fundamentals, knowledge of algorithms and object-oriented programming, and familiarity with Linux, networking, high-throughput systems, blockchain, cryptography, and cryptocurrency technologies.

Staff Software Engineer responsible for troubleshooting and optimizing mission-critical applications, Kubernetes infrastructure, databases, and cloud-native systems. The role develops software, automation, AI-assisted operational tools, monitoring, and CI/CD improvements; resolves production incidents; performs database tuning and root-cause analysis; and drives reliability, scalability, and operational excellence across enterprise platforms.

Supports a business-critical warehouse management system in a 24x7 environment. Responsibilities include application maintenance, upgrades, incident resolution, infrastructure and database administration, SQL performance optimization, monitoring, integrations, change and release management, vendor coordination, SOX compliance, disaster recovery testing, documentation, and continuous service improvement.

Provides 24x7 production and application support for a business-critical warehouse management system. Responsibilities include monitoring, incident resolution, troubleshooting, SQL and database support, application maintenance, upgrades, release testing, infrastructure coordination, documentation, SOX compliance, and disaster recovery testing. The role collaborates with infrastructure, networking, cybersecurity, SAP, middleware, database, and vendor teams to maintain application availability, security, and performance.

Designs, builds, tests, documents, and delivers software applications in an agile, multinational AIR Lab team. Responsibilities span architecture, implementation, automated testing, performance and security testing, continuous delivery, and collaboration with Product Owners. The role requires strong software design, algorithms, testing, Linux, and CI/CD expertise, with desirable experience in containers, cloud, Kubernetes, Kafka, event-driven architecture, cybersecurity, and data lake technologies.

Develop and maintain scalable Java and Spring Boot backend services for APAC e-commerce. Design RESTful APIs and microservices, implement secure OAuth 2.0 integrations, work with databases and messaging systems, and support cloud-native deployments using Kubernetes and CI/CD. Responsibilities include testing, code reviews, documentation, monitoring, troubleshooting, stakeholder collaboration, and continuous technology improvement within an Agile team.

Build and maintain production software for autonomous vehicle safety assurance, including monitoring systems, analytics, dashboards, data pipelines, alerts, and operational tools. Design scalable cloud systems, support production incidents, apply AI and data analytics, and collaborate with policy, regulatory, and operations stakeholders. Senior hires additionally lead architecture, establish engineering practices, mentor engineers, and guide technical direction.

Develop and validate desktop and mobile applications for secure identity document SDKs. Responsibilities include building mobile demo applications, validating UI/UX, improving Jenkins CI integration, and supporting related software engineering tasks with guidance from experienced team members.

Develop, validate, and deploy embedded software components for mobile and IoT devices, including security mechanisms and connectivity protocols. Contribute to operating system development, embedded device testing, debugging, agile collaboration, and continuous improvement. The role requires Embedded C development, VB.NET validation, embedded technologies, low-level protocols, device drivers, and engineering collaboration across global teams.

Develops, designs, tests, troubleshoots, and maintains secure, scalable software components within an agile banking technology team. Writes high-quality Java or Kotlin code, considers system dependencies, supports operational stability, analyzes data to solve technical problems, and applies SDLC automation and AI-assisted development tools. Requires collaboration across system design, application development, testing, security, resiliency, and cloud technologies, with blockchain and modern front-end familiarity preferred.

Build and enhance core wealth-management platform features as a software engineer and business analyst. Responsibilities include requirements analysis, design, implementation, deployment, monitoring, support, API and backend development, testing, architecture, cloud solutions, and business validation. The role also supports backlog prioritization, stakeholder communication, and full product ownership while working with Java, Kotlin, Spring Boot, microservices, and related cloud and data technologies.

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.