(Senior) Software Engineer, Payments Platform

About the role

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.

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.

Requirements

• Over 2 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.
• Skilled in Javascript / Typescript and 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).
• Applicant Safety Policy: Fraud and Third-Party Recruiters

Additional Information

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,200 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles . You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero‑to‑one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high‑visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next.

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