(Senior) Software Engineer (Frontend), Growth

Airwallex•San Francisco, CA

18h

About The Position

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 2,000 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. The Opportunity: Be Part of Our Growth 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. From new-user funnels to onboarding optimizations, our Growth team is all about experimentation, rapid iteration, and driving sustainable business impact. Whether it’s designing scalable architectures for high-traffic pages, building robust A/B testing frameworks, or integrating global marketing platforms, the Growth team’s contributions directly shape how we attract and retain customers worldwide. Joining the Growth team means you’ll have a front-row seat to the most crucial stage of our product lifecycle and play a pivotal role in fueling the next wave of our global expansion.

Requirements

Seasoned Engineer: You have a solid foundation in TypeScript and front-end frameworks like React, with an ability to craft clean, modular code.
Data-Driven Mindset: You thrive on metrics and experiments. A/B testing, funnel optimization, and hypothesis-driven development are second nature to you.
User-Focused Innovator: You understand that product success hinges on a seamless user experience. You embrace user research and leverage empathy in design thinking.
Collaborative Leader: You excel in a team environment, providing mentorship and supporting peers. You enjoy working with cross-functional partners to achieve common goals.
Adaptable & Curious: You stay ahead of the curve, learning new technologies and industry best practices. When the fintech landscape shifts, you shift with it—strategically and swiftly.
Security-Conscious: You recognize the importance of safeguarding user data and proactively embed security principles in your development process.
Ownership Mentality: You’re self-motivated, eager to take on new challenges, and consistently push boundaries to deliver impactful solutions.

Responsibilities

Design, develop, and enhance highly scalable, performance-driven frontend solutions that power our growth funnels, landing pages, and marketing campaigns.
Write well-tested, maintainable, and efficient code using React and TypeScript, ensuring robust performance and smooth user interactions.
Partner closely with data scientists and product managers to track and interpret critical user behavior metrics.
Build and integrate A/B testing frameworks, feature flags, and analytics solutions that optimize our user acquisition strategies and inform future product investments.
Work with cross-functional teams—including Design, Product, and Marketing—to deliver delightful user experiences.
Participate in design discussions, code reviews, and strategic planning sessions to elevate the quality and impact of our user-facing products.
Develop rapid prototypes to validate hypotheses about user acquisition and engagement.
Continuously refine and optimize user journey flows, aiming to reduce friction and increase conversions.
Champion frontend best practices, ensuring high standards of code quality, security, and performance.
Provide technical leadership, and shape the architectural roadmap for our growth-focused products.
Integrate secure coding practices and frameworks to protect user data, maintain high standards of privacy, and comply with global regulations.
Proactively identify and address potential vulnerabilities, preventing unauthorized access and safeguarding critical data.