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Airwallex Logo Airwallex · IT - Software Development

Software Engineer II, Cloud Infrastructure

Singapore, Singapore · Job Posted February 21, 2026
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Job Description

The Airwallex Cloud Infrastructure team is a group of highly skilled, innovative, and collaborative professionals. The team brings together experts in Kubernetes, service mesh, cloud platforms, and core services, all working seamlessly to ensure the highest levels of performance, reliability, and security. We are looking for Software Engineers to join the team to create and maintain a cutting-edge, secure, and scalable infrastructure that supports our cross-border payment solutions. We build and run the cloud systems that keep Airwallex fast, safe, and always available. Our mission? Make sure everything just works—no matter how big we grow.

Job Responsibility

  • Develop Cloud Infrastructure Services: Build scalable and resilient cloud-native infrastructure services and platforms using Kubernetes, Istio, Crossplane, ArgoCD/Rollout/Workflow, and other modern technologies, emphasizing full automation and GitOps best practices
  • Enhance Infrastructure Platform Reliability and Security: Proactively monitor system health and performance, and implement solutions to address infrastructure issues and security vulnerabilities before they impact customers
  • Collaborate on Infrastructure Architecture: Partner with senior engineers and cross-functional stakeholders to continuously evolve the infrastructure and technology stack, improving reliability, scalability, and developer experience
  • Contribute to Incident Response & Operations: Participate in on-call rotations to troubleshoot and resolve infrastructure issues, ensuring minimal downtime and high availability across environments
  • Integrate Emerging Technologies: Stay ahead of industry trends in AI, Kubernetes, Service Mesh (Istio), Crossplane, GitOps, and cloud platforms. Evaluate and help integrate innovative tools and practices to strengthen the infrastructure ecosystem.

Requirements

  • Distributed Systems Knowledge: Hands-on experience working with distributed systems and understanding the challenges of building scalable, fault-tolerant infrastructure
  • Kubernetes & Containerization: Familiar with core Kubernetes concepts, with hands-on experience in developing custom controllers/operators
  • Infrastructure as Code (IaC): Understand core principles of IaC and have working knowledge of tools such as Crossplane, Pulumi, Terraform, or similar
  • Programming Proficiency: Can write clean, maintainable code in at least one language such as Go, Python, or similar
  • Problem-Solving Mindset: Take initiative in identifying infrastructure bottlenecks and proposing actionable solutions, with a proactive and analytical approach
  • Team Collaboration & Communication: Thrive in cross-functional environments, and communicate effectively to align technical decisions with team goals
  • Educational Background: Hold a Bachelor's degree or higher in Computer Science, Software Engineering, or a related technical field
  • For SDE2 engineers, we expect you to have around 3 years or at least 2 years engineering experience. You should be able to solve problems related to coding and system design independently.

Nice to have

  • Custom Kubernetes Operator Development: Hands-on experience building and maintaining custom Kubernetes controllers or operators to automate infrastructure workflows
  • Service Mesh Expertise: Familiarity with Istio or other service mesh technologies for traffic management, observability, and security in microservices architectures
  • GitOps Practices & Tooling: Working knowledge of GitOps principles and tools like ArgoCD or Flux for declarative infrastructure and application delivery
  • Cloud & Kubernetes Certifications: Possess certifications in Kubernetes (CKA, CKAD) or major cloud platforms such as GCP, AWS, or Azure
  • Contributions to CNCF Open Source Projects: Active participation in CNCF-affiliated open-source communities.
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