Principal Software Engineer, Edge Team

Airwallex3 months ago

Location

SG - Singapore

Type

Full Time

Level

Principal

Role

Principal Software Engineer

Posted

Jan 14, 2026

Full TimePrincipal

The role

Summary

A Principal Software Engineer position at Airwallex focused on owning and architecting the company's edge networking infrastructure including API gateways, CDN, DNS, and global accelerators. This P5-level role requires deep cloud networking expertise and the ability to design secure, scalable systems for a fintech platform serving 200,000+ global businesses.

What you'll do

Edge Network Architecture: Design and evolve architecture for API gateways, DNS services, CDNs, and global accelerators

Border Security Implementation: Partner with InfoSec to design DDoS protection, bot mitigation, and anomaly detection systems

API Route Management: Build end-to-end processes and tooling for route registration, approval, and change management

QoS Policy Enforcement: Implement rate limiting and quality of service policies for prioritized customer and partner APIs

Global Performance Optimization: Establish reliability goals and tune latency, failover, and availability across regions

Multi-cloud Strategy: Design hybrid and multi-cloud edge strategy with backbone traffic replication

Security Governance: Define firewall rule governance and bad actor prevention mechanisms

Platform Compliance: Work with platform teams to enforce compliance across microservices and gateways

Observability Implementation: Contribute to internal tools for monitoring, access review, and lifecycle auditing

What we look for

Technical

Cloud-Native Edge NetworkingDeep experience with API Gateway, DNS, CDN, Global Accelerators, and firewall systems

Software-Defined NetworkingProficiency with SDN concepts and tools like OpenDaylight, Envoy, NGINX/OpenResty, Kong, APISIX

Cloud Platform ExpertiseFamiliarity with Cloudflare, AWS or GCP Cloud Networking techniques

Multi-Cloud PatternsKnowledge of hybrid/multi-cloud patterns and traffic engineering at scale

Security InfrastructureHands-on experience with cloud firewall systems, WAF, rate limiting, and bot detection

Education

Bachelor's DegreeBachelor's degree in Computer Science, Engineering, or related technical field preferred

Advanced DegreeMaster's degree in Computer Science or related field is a plus

Experience

Senior Engineering Experience8+ years of software engineering experience with focus on distributed systems

Principal-Level Leadership3+ years in principal or staff engineer roles leading complex technical initiatives

Edge Networking Expertise5+ years specialized experience in edge networking, API gateways, and cloud infrastructure

Cross-Team LeadershipExperience defining cross-team processes and governance frameworks

Financial Services ExperienceExperience supporting financial or regulated workloads (preferred)

Skills

Required skills

Edge NetworkingDeep expertise in API gateways, DNS, CDN, and global accelerator technologies

Cloud PlatformsProficiency with AWS, GCP, or Azure networking services and Cloudflare

Security InfrastructureExperience with WAF, DDoS protection, rate limiting, and bot detection systems

Software-Defined NetworkingKnowledge of SDN concepts and tools like Envoy, NGINX, Kong, APISIX

Architecture DesignAbility to design and implement large-scale distributed networking systems

Cross-Team LeadershipStrong communication skills and ability to lead across engineering teams

Nice to have

Financial ServicesExperience with regulated workloads and compliance requirements

KubernetesFamiliarity with Kubernetes traffic management frameworks

Multi-CloudExperience with hybrid and multi-cloud deployment patterns

Governance FrameworksBackground in defining enterprise-level processes and policies

Performance OptimizationExperience with latency optimization and global traffic engineering

Compensation & benefits

Benefits

Global Impact

Work on infrastructure serving 200,000+ businesses worldwide including major brands

Career Growth

Accelerated learning and true ownership in a fast-growing fintech unicorn

Diverse Environment

Work with 2,000+ innovative team members across 26 global offices

Equal Opportunity

Inclusive workplace committed to diversity and equal opportunity employment

Cutting-Edge Technology

Work with latest cloud-native technologies and AI-powered solutions

Founder-Like Energy

Environment that encourages entrepreneurial thinking and real impact

Interview process

1
Initial Screening — Phone or video call with talent acquisition team to discuss background and interest
2
Technical Deep Dive — Technical interview focusing on edge networking architecture and cloud infrastructure design
3
System Design Interview — Whiteboard or virtual session designing large-scale networking solutions
4
Leadership & Strategy — Discussion of cross-team leadership experience and governance framework design
5
Final Round — Onsite or virtual panel with senior engineering leadership and potential team members
6
Reference Check — Verification of past performance and technical expertise with previous employers