Senior Software Engineer, Payments Platform

In our Payments Team, your responsibilities extend beyond delivering product features to achieving business outcomes. Your tasks will involve developing various REST services and integration components within a backend microservices architecture, connecting with our React frontend.

What you’ll do

In this role, you will play a key part in diverse initiatives across our international payments platform. We highly value your expertise in constructing, designing, and engineering payment systems, whether it’s a gateway, acquiring, issuing, or equivalent. If you’re not already familiar, you’ll gain comprehensive knowledge of Visa and Mastercard payment platforms. Collaboration with the payments product team and occasional interaction with partners’ engineering teams are encouraged. As a vital member of our core acquiring payment team, you’ll contribute to building the next-generation Payment Acceptance infrastructure with a constant focus on Merchant needs.

Responsibilities

The scope of your role includes designing and implementing new capabilities aligned with our product roadmap, conducting architectural reviews for current and upcoming solutions, addressing tech debt, and enhancing operational effectiveness.

• Over 4 years of expertise in contemporary engineering methodologies, emphasizing continuous integration and quality engineering.
• Proficient in guiding a concept from inception to implementation, with a dedication to delivering meticulously tested and high-quality solutions.
• Possesses robust computer science fundamentals, with a recent focus on Java or Kotlin, Spring / Spring Boot technologies.
• Specialized in designing and constructing REST APIs, adept in handling high-volume distributed systems, Kafka event streams, and distributed data storage systems such as Cassandra, Hazelcast, Oracle Coherence, or similar technologies.
• Demonstrated proficiency in cloud platforms like GCP or AWS (EC2, RDS, ELB, CloudFront), along with exposure to containerization technologies like Docker and Kubernetes.
• Well-versed in operational tooling, including but not limited to New Relic, StatsD, Elk, Datadog, and Prometheus.

Preferred qualifications: Extensive experience in the development of payment gateways, acquiring platforms, or issuing platforms. A strong advantage includes expertise in integrating Local Payment Methods (i.e., iDeal, Klarna, Trustly) or major Cards (i.e., Visa, Mastercard).

Airwallex is the AI-native financial operating system for a real-time, intelligent economy. More than 676,000 businesses, including McLaren Racing, Qantas, SHEIN, and TikTok, use us, directly or through our platform partners, to run their financial operations or build and monetize financial products of their own.

We started in Melbourne in 2015 to build the infrastructure global commerce runs on. We’re the regulated backbone behind global payments: not by accident, but by design. A decade plus, 85+ licenses, and a financial infrastructure spanning North America, Europe, the Middle East, and Asia-Pacific.

We’re co-headquartered in San Francisco and Singapore, with more than 2,300 people across 27 offices. We hire builders with founder-level energy, people who move fast with good judgment, dig in with real curiosity, and make calls from first principles rather than waiting to be told what to do. Read our operating principles to see it in full.