Top Software Engineer Jobs in Singapore

Summer internship within a Software Engineer Program: design, develop, test, and troubleshoot software; write secure code; use modern tooling and approved AI development tools; collaborate with engineers and stakeholders; apply automation, CI/CD, resiliency, and security practices.

Design, build, and support scalable portfolio management systems. Triage production incidents with portfolio managers, implement event-driven/streaming pipelines, drive engineering best practices and AI-assisted development, and collaborate with product and stakeholders to translate investment workflows into resilient, observable tools.

Lead design and implement a low-latency options market making and volatility execution platform. Develop and optimize performance-critical C++17/20 components for high-throughput market data and order flow, build trading controls and risk safeguards, collaborate with quantitative researchers and traders, drive architecture and operational stability, and adopt enterprise AI-assisted engineering practices.

Designs, develops, debugs, and delivers secure, high-quality React-based front-end applications. Produces architecture and design artifacts, creates visualizations from large datasets, provides UI technical leadership, collaborates on standards-based solutions, improves code quality, and participates in engineering communities and events.

Build and evolve Identity and Access Management and account infrastructure. Design scalable, highly available authentication and authorization systems, champion code quality, performance and security, and use data to measure and optimize IAM products.

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, 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 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 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 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, 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.