Software Engineer II, Backend - Onboarding_RFI

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 150,000 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 1,800 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$6.2 billion and backed by world-leading investors including Visa, Airtree, Blackbird, Sequoia, DST Global, Greenoaks, Salesforce Ventures, Lone Pine, and Square Peg, 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.

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.

The Opportunity: Be Part of Our Onboarding Team

Onboarding team plays a pivotal role in Airwallex's mission by facilitating the rapid integration of businesses into our platform. As a data-driven team, we utilize extensive analytics to refine our processes and ensure the efficiency and effectiveness of our operations. Our primary mission involves performing Know Your Customer (KYC) and risk-based operations to maintain the highest standards of compliance and security as we handle sensitive financial data, and empower business customers through robust, secure, and intuitive user and account management solutions.

This team is instrumental in our regional expansion, helping to onboard a growing number of customers into new markets. By supporting global expansion, we are also tasked with increasing the coverage of our product offerings, ensuring that businesses worldwide can benefit from our innovative financial solutions. Through our efforts, we aim to streamline the onboarding process, reduce barriers to entry, and foster a secure and compliant environment that empowers businesses to thrive in the digital economy.

What You’ll Do

• Design and Build Reliable Systems

  • Contribute to development and maintenance of microservices in Java/Kotlin (or similar languages), supporting high-availability of globally distributed systems to meet global user demands.

  • Implement best practices for service-to-service communication, orchestration, and fault tolerance.

• Collaborate and Innovate

  • Work closely with cross-functional teams—Frontend, Product, Design, and Marketing—to translate business requirements into scalable backend solutions.

  • Continuously improve backend functionalities to reduce friction, increase user engagement, and drive conversions.

• Develop and Integrate

  • Develop internal and external APIs with compatibility and developer experience in mind

  • Collaborate with Airwallex external partners and integrate with their product via APIs.

• Promote Security & Compliance

  • Integrate secure coding practices and frameworks to protect user data and maintain global regulatory compliance.

  • Identify potential vulnerabilities, ensure robust authentication and authorization mechanisms, and proactively address security risks.

Who You Are

• Experienced and Technically Proficient: You have solid experience developing backend services using Java, Kotlin, or similar technologies. You take pride in writing clean, maintainable code and are eager to level up your architectural and systems design skills.

• Customer-Focused and Product-Aware: You care about building systems that directly improve customer experience. You’re curious about how backend decisions impact users and willing to work closely with product and design teams.

• Data-Driven and Analytical: You view data as a narrative element of development, a critical tool that informs your decision-making process. Your ability to interpret data enhances product performance and elevates user satisfaction, making you a pivotal member of our team.

• Collaborative and Proactive: You work well in a team environment and value knowledge sharing and collaboration. You’re comfortable asking questions, giving and receiving feedback, and contributing to a positive team culture.

• Adaptable and Continuously Learning: In the fast-paced world of fintech, you stand out for your agility and eagerness to adopt new skills and technologies. Challenges are opportunities for growth, and you are always prepared to expand your horizons.

• Ownership-Driven: You are self-motivated and take initiative, demonstrating a strong sense of ownership in your projects. Your proactive approach ensures that you are always ahead of the curve, ready to take on responsibilities and lead projects to successful outcomes, while maintaining high standards of quality.

Why Join Us

• Be Part of Something Big: Join a team that's redefining the future of finance. Contribute directly to the core engine of user growth in a company that is reshaping global financial services.

• Grow With Us: At Airwallex, we're committed to your professional development. You'll have opportunities to learn, grow, and shape your career path in a fast-paced, innovative environment.

• Collaborate With the Best: Work with a team of talented and passionate individuals who are driven by the desire to create something extraordinary.

Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don’t regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Airwallex does not accept unsolicited resumes from search firms/recruiters.  Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s).  Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. If you are approached by someone claiming to represent Airwallex, please verify with our team.