Top Software Engineer Jobs in Singapore

Build and maintain React + TypeScript micro frontends and Node.js BFFs for onboarding and KYC workflows. Implement design systems, GraphQL integrations, CI/CD deployments to GCP/Aliyun K8s and CDN, and automated unit/e2e tests to ensure secure, scalable onboarding experiences.

Design, implement, and debug Bluetooth radio firmware for the Apollo Blue family. Develop features, optimize performance and power, write tests, support FAEs, triage validation issues, produce technical documentation, and collaborate cross-functionally to integrate wireless components.

Design, implement, and lead backend billing systems and microservices. Collaborate with product and cross-functional teams to build scalable, high‑concurrency, high‑availability billing and invoicing platforms, introduce new technologies, and establish team coding standards.

Build and maintain the Cards API platform powering programmatic digital and physical card issuance. Design resilient, scalable microservices and event-driven systems, own end-to-end delivery from design to rollout, improve partner onboarding, liquidity, fraud controls and analytics, and ensure availability, reliability, security, testing, observability and technical debt management.

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 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, 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.

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.

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 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.

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.

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.

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.

Lead architecture, development, and operation of Airwallex's data and AI platforms. Drive company-wide data platform strategy, build scalable multi-region data pipelines, promote best practices, mentor engineers, and enable data-driven decision making and AI readiness across the organization.

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.

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, 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.

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.

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 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, 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.

Lead the development and testing of Ambiq's Zephyr software, including driver and software testcase development, maintaining compliance, and solving issues in collaboration with global teams.

Lead and operate high-throughput Real-Time Payments services: build and scale microservices, implement GemFire/Geode low-latency patterns, manage incidents (P1/P2), deploy cloud-native solutions on AWS, implement AI-assisted observability/operations, ensure release quality, compliance, and cross-team collaboration.

Lead a cross-functional engineering team to design, build, and operate low-latency, mission-critical trading services. Own system design, Java development, API design, CI/CD, reliability, observability, incident response, and mentoring to meet scalability and security goals.

Design, build, and operate the citizen‑developer platform and underlying Temporal-based workflow infrastructure. Improve developer experience, establish secure SDLC and guardrails, create self-serve tooling, contribute to Kubernetes/GitOps foundation, participate in code reviews and on-call incident response, and document standards and reference architectures for platform users.