Principal Software Engineer, Network at Airwallex

Singapore

Apply Now

Not SpecifiedCompensation

Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

Fintech, Payments, Financial ServicesIndustries

Requirements

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
Strategic capabilities (incomplete in description, but implied as a key area)

Responsibilities

Own the Edge Network Stack: Design and evolve the architecture for Airwallex's external traffic stack including API Gateways (routing, filtering, throttling), DNS services (global resolution & routing), CDNs (caching strategies and invalidation), Global Accelerators (latency and route optimization)
Define and Enforce Border Security: Partner with InfoSec to design and operationalize DDoS protection, bot mitigation, and anomaly detection (e.g., Cloud Armor, WAF), rate limiting and QoS policy enforcement for prioritized customer/partner APIs, firewall rule governance and bad actor prevention mechanisms, intrusion prevention and auth mechanisms at the border
Policy-Driven API Route Management: Build end-to-end processes and tooling for how engineers expose public APIs, define policy and controls for route registration, approval, and change management, work with platform teams to enforce compliance across microservices and gateways, contribute to internal tools for observability, access review, and lifecycle auditing
Enable Global-Scale, Secure Performance: Establish reliability and quality of service (QoS) goals for critical paths (e.g., payments, onboarding, auth), design for hybrid/multi-cloud edge strategy and backbone traffic replication, tune latency, failover, and availability posture across regions

Skills

Key technologies and capabilities for this role

API GatewayCDNDNSGlobal AcceleratorsTraffic ControlNetworkingDistributed SystemsEdge Computing

Questions & Answers

Common questions about this position

Is this role remote or onsite?

The position is onsite.

What salary or compensation does this role offer?

This information is not specified in the job description.

What key skills and expertise are required for this Principal Software Engineer role?

The role requires strong expertise in designing and evolving edge network architecture including API Gateways, DNS services, CDNs, Global Accelerators, and traffic control, along with experience in border security such as DDoS protection, WAF, rate limiting, and policy-driven API management.

What is the company culture like at Airwallex?

Airwallex values successful builders with founder-like energy who want real impact, accelerated learning, and true ownership; they hire people who move fast with good judgment, dig deep with curiosity, make decisions from first principles, are humble and collaborative, turn ideas into products end-to-end, and use AI to solve problems faster.

What makes a strong candidate for this Principal Software Engineer position?

A strong candidate is a seasoned Principal Engineer with founder-like energy, strong expertise in network stacks and security, who can take full ownership, lead high-impact architecture work, partner with InfoSec, and thrive in a fast-paced environment tackling complex problems with exceptional teammates.

Airwallex

Cross-border payment solutions for businesses

About Airwallex

Airwallex provides cross-border payment solutions for businesses of all sizes, including small to medium-sized enterprises and large corporations. The company offers a range of financial services such as multi-currency accounts, international money transfers, foreign exchange services, and payment gateway solutions. These services are designed to facilitate efficient and cost-effective international transactions. Airwallex uses advanced technology to ensure that these transactions are fast and secure. Unlike many competitors, Airwallex focuses on building financial infrastructure that supports the digital economy, allowing businesses to operate seamlessly across borders. The company's goal is to simplify global payments and make them accessible to businesses worldwide.

Eastern District, Hong KongHeadquarters

2015Year Founded

$877.4MTotal Funding

SERIES_ECompany Stage

FintechIndustries

1,001-5,000Employees

Benefits

Hybrid Work Options

Employee Equity Programs

Risks

Increased competition from fintech startups could erode Airwallex's market share.

Regulatory scrutiny in Asia-Pacific, especially China, may impact Airwallex's operations.

Volatility in foreign exchange rates poses a risk to Airwallex's revenue streams.

Differentiation

Airwallex offers a comprehensive suite of cross-border payment solutions for businesses.

The company integrates financial services into platforms, enhancing customer experience and efficiency.

Airwallex's global presence with ten international offices supports its expansive service offerings.

Upsides

Airwallex reported an 83% revenue increase in APAC, showcasing strong regional growth.

The partnership with Carwow enhances Airwallex's visibility and operational efficiency in the UK.

Airwallex's expansion in EMEA with new offices boosts its international market presence.

Land your dream remote job 3x faster with AI

Try Jobo Free