Senior Backend Engineer, Stablecoin Platform

Proudly founded in Melbourne, we have a team of over 2,300 of the brightest and most innovative people in tech across 27 offices around the globe. Valued at US$11 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and...

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 ...

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 tha...

Be part of a high-impact engineering team building stablecoin infrastructure from the ground up.
Design and implement secure systems for key management, transaction signing, gas fee management, and blockchain integration
Own services that manage the full lifecycle of stablecoin transactions mint, burn, transfer, reconciliation
Build internal ledgering systems that track balances across multiple chains and token types
Integrate stablecoin infrastructure into Airwallex’s existing FX and payment systems, enabling seamless conversion between any supported currency and stablecoins
Write, review, and ship production code
Collaborate with product, infrastructure, and compliance teams to deliver reliable and auditable services

A highly experienced engineer (5+ years) with deep expertise in object-oriented design and production-grade software development, including at least one strongly typed language (e.g. Kotlin, Java, C#, C++, Rust); Python experience is useful but not sufficient on its own
Proven experience building and integrating blockchain infrastructure (wallets, transaction flows, key management, etc.) into larger financial systems
Experienced in integrating new systems into legacy or distributed environments without introducing instability or regressions.
Strong grasp of secure system design, particularly around private key handling, signing, encryption, and operational controls
Able to quickly pick up unfamiliar tools or frameworks when needed and adjust to changing technical priorities.
Clear communicator who works well across engineering, product, and non-technical teams
Experience in FX, payments, or financial infrastructure is useful but not required
 
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