Principal Software Engineer, Network

Airwallex

full-time

Posted on: 9/7/2025

Location: 🇨🇳 China

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Lead

AWSCloudDNSFirewallsGoogle Cloud PlatformKubernetesMicroservicesNGINX

About the role

Take full ownership of Airwallex’s edge networking stack including API gateway, CDN, DNS, Global Accelerators, and traffic control services
Define the blueprint, lead implementation, and enforce governance for how all external traffic reaches and interacts with the platform globally
Partner with InfoSec to design and operationalize DDoS protection, bot mitigation, anomaly detection, WAF, firewall rule governance, intrusion prevention and border auth mechanisms
Define and implement rate limiting and QoS policy enforcement for prioritized customer/partner APIs
Build end-to-end processes and tooling for route registration, approval, change management, observability, access review, and lifecycle auditing
Establish reliability and QoS goals for critical paths; design hybrid/multi-cloud edge strategies, backbone traffic replication, and tune latency, failover, and availability across regions

Deep experience in cloud-native edge networking (API Gateway, DNS, CDN, GA, firewalls)
Proficiency with SDN concepts and tools (e.g., OpenDaylight, Envoy, NGINX/OpenResty, Kong, Apisix)
Familiar with Cloudflare, AWS or GCP Cloud Networking techniques
Knowledge of hybrid/multi-cloud patterns and traffic engineering at scale
Hands-on with cloud firewall systems, WAF, rate limiting, and bot detection
Security-aware mindset with ability to balance protection and developer experience
Experience defining cross-team processes and governance frameworks
Strong communication skills and ability to lead across engineering and security teams
Bonus: Experience supporting financial or regulated workloads
Bonus: Familiarity with Kubernetes traffic management frameworks
Bonus: Mandarin fluency and experience working in global, multi-timezone environments