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Airwallex Logo Airwallex · IT - Software Development

Senior Software Engineer, Tech Platform

Singapore, Singapore 40000.00 - 70000.00 CNY / Month · Job Posted February 21, 2026
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Job Description

Airwallex is a pioneering fintech company breaking down financial barriers and enabling seamless global business. At its core, the Tech Platform Team drives the foundation of our technological excellence, building scalable, high-performance systems that power innovation worldwide. Optimizing Global Traffic – Managing north-south and east-west API Gateways for seamless external and internal interactions. Ensuring Fast, Reliable Connectivity – Building a robust global routing infrastructure that seamlessly balances regulatory compliance with a unified, high-performance user experience across regions. Enhancing Search – Powering an intelligent search platform for fast, accurate information retrieval. Orchestrating Notifications – Enabling efficient delivery of SMS, Email, Webhooks, and Push notifications. Automating Workflows – Driving seamless workflow creation, scheduling, and execution.

Job Responsibility

  • Build Impactful Infrastructure – Develop and refine a cutting-edge application infrastructure that eliminates common technical bottlenecks, reduces maintenance overhead for developers, and accelerates business innovation
  • Solve Complex, High - Scale Challenges – Tackle intricate, organization-wide problems by leveraging the latest technologies, including reactive programming, Temporal, vector databases, distributed systems, and advanced gateway solutions
  • Drive Strategic Technological Excellence – Conduct comprehensive evaluations of emerging solutions and guide the company’s long-term architectural decisions to ensure scalability, efficiency, and global resilience

Requirements

  • Strong proficiency in backend programming languages such as Java, Go, Rust, Lua, or Python and their corresponding frameworks
  • Infrastructure & Cloud Expertise: Familiarity with cloud services (AWS, GCP, Aliyun) and infrastructure management tools (Kubernetes, Docker, Istio)
  • Database & Storage Systems Expertise: Proven hands-on experience with PostgreSQL, Redis, Elasticsearch, and logical replication, with a deep understanding of performance optimization, scalability, and data consistency in distributed systems
  • Traffic Management Expertise: Strong familiarity with NGINX, OpenResty, Envoy, APISIX, Kong, and Istio, with a solid understanding of traffic routing, load balancing, and API gateway management in high-scale distributed systems
  • API Lifecycle & Security Expertise: Strong experience and deep understanding of API lifecycle management, from design to deprecation, along with expertise in API security best practices, including authentication, authorization, and threat mitigation

Nice to have

  • Performance Tuning Expertise: Hands-on experience optimizing API Gateway performance, including advanced profiling techniques such as CPU flame graphs to diagnose and enhance system efficiency
  • Service Mesh Expertise: Hands-on experience managing traffic between Kubernetes pods using Istio, including traffic routing, load balancing, and resilience strategies within a service mesh architecture
  • API Security Expertise: Hands-on experience in securing APIs, including mitigating threats such as DDoS attacks, SQL injection, and implementing mTLS (mutual TLS) and Data Loss Prevention (DLP) to ensure robust protection and compliance
  • Open Source & Innovation Expertise: Stay up to date with the latest advancements in the open-source community, with the ability to evaluate, adopt, and introduce cutting-edge technologies to enhance Airwallex’s technology stack

What we offer

  • Offers Equity
  • Offers Bonus
  • medical, dental, and vision insurance
  • a 401(k) plan
  • short-term and long-term disability
  • basic life insurance
  • well-being benefits
  • 20 paid days of vacation
  • 12 paid days of company holidays
Airwallex - All Job Offers

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