Principal Engineer, Edge Networking & Global Security

Airwallex; Singapore; On-site; SGD 210,000 - 270,000; Full time

Job summary

Airwallex is seeking a seasoned Principal Engineer to own Airwallex’s edge networking stack including API gateway, DNS, CDN, and Global Accelerators. You’ll lead architecture, governance, and security at a global scale.

Collaborate with InfoSec and platform teams to implement DDoS protection, rate limiting, and QoS enforcement across multi-cloud environments. This role blends security with developer productivity in a fast-paced fintech setting.

Qualifications

• Experience in cloud-native edge networking (gateway, DNS, CDN, GA, firewalls).
• Hands-on with SDN concepts and related tools.
• Knowledge of hybrid/multi-cloud patterns and traffic engineering at scale.

Responsibilities

• Own the Edge Network Stack architecture and evolution.
• Define policy for route registration, approval, and change management.
• Partner with InfoSec to design DDoS protection, rate limiting, and WAF policies.
• Build end-to-end tooling for exposing public APIs with governance.
• Enforce reliability, QoS goals, and cross-region performance.

Skills

Edge networking

API gateway

DNS/CDN

Security governance

QoS/rate limiting

Cloud/networks

Kubernetes traffic

OpenDaylight/OpenSrc

Envoy

NGINX/OpenResty

Cloudflare/AWS/GCP

Tools

OpenDaylight

Envoy

NGINX/OpenResty

Kong

Apisix

Cloudflare

AWS

GCP

Job description

Airwallex is seeking a seasoned Principal Engineer to own Airwallex’s edge networking stack including API gateway, DNS, CDN, and Global Accelerators. You’ll lead architecture, governance, and security at a global scale.

Collaborate with InfoSec and platform teams to implement DDoS protection, rate limiting, and QoS enforcement across multi-cloud environments. This role blends security with developer productivity in a fast-paced fintech setting.