Senior Backend Engineer, Growth

Job description

Join to apply for the
Senior Software Engineer, Growth
role at
Airwallex
Join to apply for the
Senior Software Engineer, Growth
role at
Airwallex
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 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.


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 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 1,700 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.


About The Team
Our Growth Team sits at the heart of Airwallex’s mission, focusing on user acquisition and strategic market expansion.

We leverage data and cutting-edge technologies to craft seamless, intuitive experiences that help millions of users discover, engage with, and benefit from our products.


Whether it’s building scalable microservices, designing robust APIs, implementing data pipelines, or integrating global marketing platforms, the Growth team’s contributions directly shape how we attract and retain customers worldwide.

As a Senior Backend Engineer, you will play a pivotal role in developing the core infrastructure and platforms that power user growth and help us tap into new markets.


This role is open for Shanghai and Singapore.


Who You’ll Do
Design and Build Scalable Systems
Architect, develop, and maintain microservices in Java/Kotlin (or similar languages), ensuring our high-traffic, high-availability systems meet global user demands.


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


Enable Data-Driven Decisions
Collaborate with data scientists and product managers to design data pipelines, analytics platforms, and event-driven architectures.


Ensure the data powering our Growth initiatives is accurate, reliable, and easily accessible.


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


Participate in architectural reviews, code reviews, and strategy sessions to continually elevate the quality and performance of our backend services.


Experiment and Iterate
Develop services that support rapid A/B testing, feature toggles, and real-time performance monitoring.


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


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 possess a wealth of experience in software development, underpinned by a robust expertise in Java/Kotlin.

Your approach goes beyond mere coding; you are a craftsman of comprehensive solutions.

As a technical bar raiser, you set high standards and lead by example, elevating the capabilities of those around you.


Empathetic and Insightful: Your deep empathy for customer needs drives your development process, allowing you to create intuitive and impactful products.

This understanding is not just about meeting requirements, but about enriching user experiences.


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 Knowledge-Sharing: True collaboration is second nature to you.

You thrive in team settings and are committed to sharing knowledge and ideas, which you see as vital to fostering innovation.

Your role as a coach involves mentoring peers and promoting a learning culture within the team.


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.


Proactive and 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.


Efficient and Prioritization-Savvy: You excel at prioritizing tasks, which enables you to manage your workload effectively while maintaining high standards of quality.

This skill ensures that critical project components receive the attention they need without sacrificing overall progress.


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.


Ready to Shape the Future of Global Finance?
Join us in our journey to remove barriers to entry for businesses around the world, one innovative product at a time.

Apply now and help us build the future of fintech together!
Equal opportunity
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.


Seniority level
Seniority level Mid-Senior level
Employment type
Employment type Full-time
Job function
Job function Engineering and Information Technology
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