Top Software Engineer Jobs in Singapore

Lead design and implementation of scalable, secure lending services and APIs. Drive architecture, reliability, DDD/event-driven patterns, cloud-native deployments, observability, testing, and mentor engineers to deliver enterprise-grade credit products.

Design, develop, and enhance payment and transaction systems on a microservice platform. Build high-concurrency, high-availability services using Java/Kotlin, mentor engineers, experiment with new technologies, and improve architecture for risk and fraud detection.

Design and build Airwallex's global edge infrastructure: API gateway, CDN, DNS routing, and perimeter security. Implement security-as-code, rate-limiting, WAF rules, bot-detection, self-service tooling, and reliability improvements. Collaborate with product, platform, and security teams and ship high-throughput, low-latency services.

Design and build multi-tenant, high-scale backend systems for embedded finance. Own cross-domain features, architect enterprise integrations, collaborate with product and sales, and measure and optimize performance, reliability, and customer-facing solutions.

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 operate backend services for card issuing, transaction processing, and settlement. Develop scalable, resilient distributed systems and RESTful APIs. Ensure reliability through monitoring, alerting, on-call participation, and performance tuning. Write well-tested code, participate in design reviews, mentor peers, and collaborate with product and regional stakeholders.

Senior backend engineer for the Onboarding team building scalable, high-availability microservices in Java/Kotlin. Design data pipelines and event-driven architectures, enable analytics and growth initiatives, support A/B testing and feature toggles, and ensure security and regulatory compliance. Collaborate with cross-functional teams, participate in architecture and code reviews, and mentor teammates to improve system reliability and onboarding performance.

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.

We are seeking 2025 and 2026 Graduate Software Engineers to join Canonical's teams focused on open source software. Responsibilities include product roadmapping, coding in various languages, engaging with the community, and ensuring high-quality performance. Candidates should have an exceptional academic track record and experience with Linux.

Design, develop, test, and deploy high-performance backend services for trading connectivity. Integrate liquidity providers, own end-to-end integrations, troubleshoot complex issues, and improve platform scalability, reliability, security, and performance while collaborating with product, support, clients, and other engineering teams.

Design, implement, validate and deploy embedded software components and operating systems for mobile and IoT devices (payments, digital identity). Work in agile teams with global partners, improve development methodology, and contribute to software security and connectivity protocol development.

Design and implement platform capabilities to support AI/ML lifecycle (training, deployment, monitoring, management) and integrations with ecosystem frameworks. Contribute to open-source AI/ML projects, collaborate with the AI community, and mentor junior engineers.

Design, develop, and deploy backend software solutions, create scalable systems, and collaborate with product managers and engineers on product development.

Design, develop, and deploy AI solutions by integrating ML models, optimizing workflows, and collaborating across teams. Ensure performance and security in production environments.

Early-career backend engineer role in the Binance Accelerator Program. Contribute to product development and maintenance, write and maintain interface documentation, troubleshoot QA issues, and assist customer service with problem resolution and classification for system improvements.

Design and build backend microservices for real-time fraud detection, transaction monitoring, and risk analysis. Integrate ML models and risk scoring engines, support scalable distributed systems, and leverage AI-assisted development and LLM/agent tools for risk automation.