(Senior) Software Engineer (Frontend), Growth

Frontend Engineer · Senior · Full Time

US - San FranciscoUSD 158k – 270k6mo ago
Apply for this role

Opens Airwallex's application page

Role

What you'll do.

Airwallex is seeking a Senior Frontend Software Engineer to join their Growth team in San Francisco, focusing on building scalable frontend solutions for user acquisition and market expansion. The role involves developing high-performance React/TypeScript applications, implementing A/B testing frameworks, and optimizing conversion funnels for a global fintech platform serving over 200,000 businesses worldwide.

Responsibilities

  • Frontend Architecture & Development: Design, develop, and enhance highly scalable, performance-driven frontend solutions that power growth funnels, landing pages, and marketing campaigns
  • Code Quality & Maintenance: Write well-tested, maintainable, and efficient code using React and TypeScript, ensuring robust performance and smooth user interactions
  • Data Analytics Integration: Partner with data scientists and product managers to track and interpret critical user behavior metrics
  • A/B Testing Implementation: Build and integrate A/B testing frameworks, feature flags, and analytics solutions that optimize user acquisition strategies
  • Cross-functional Collaboration: Work with Design, Product, and Marketing teams to deliver delightful user experiences and participate in strategic planning sessions
  • Rapid Prototyping: Develop rapid prototypes to validate hypotheses about user acquisition and engagement
  • Conversion Optimization: Continuously refine and optimize user journey flows to reduce friction and increase conversions
  • Technical Leadership: Champion frontend best practices, ensure high standards of code quality, security, and performance, and shape architectural roadmap
  • Security & Compliance: Integrate secure coding practices and frameworks to protect user data, maintain privacy standards, and comply with global regulations

Qualifications

What we look for.

Technical

  • Frontend Expertise

    Solid foundation in TypeScript and React with ability to craft clean, modular code

  • Performance Optimization

    Experience building scalable, high-performance frontend applications

  • Testing & Quality Assurance

    Proficiency in writing well-tested, maintainable code with automated testing practices

  • Security Best Practices

    Knowledge of secure coding practices and data protection frameworks

Experience

  • Frontend Development

    Proven experience as a seasoned engineer with expertise in modern frontend development

  • Data-Driven Development

    Experience with A/B testing, funnel optimization, and hypothesis-driven development

  • Cross-functional Collaboration

    Track record of working effectively with design, product, and marketing teams

  • Fintech or High-Scale Applications

    Experience in fintech, payments, or other high-scale, regulated environments preferred

Skills

Required

  • TypeScript

    Strong proficiency in TypeScript for type-safe frontend development

  • React

    Expertise in React framework for building component-based user interfaces

  • Frontend Performance

    Skills in optimizing frontend performance and scalability

  • Code Quality

    Ability to write clean, maintainable, and well-tested code

  • A/B Testing

    Experience with experimentation frameworks and conversion optimization

  • Data Analytics

    Understanding of user behavior metrics and data-driven decision making

  • Security Practices

    Knowledge of secure coding practices and data protection

Preferred

  • Fintech Experience

    Nice to have

    Background in financial technology or regulated industries

  • Growth Engineering

    Nice to have

    Experience in user acquisition, conversion optimization, and growth metrics

  • Cross-functional Leadership

    Nice to have

    Experience mentoring team members and leading technical initiatives

  • Marketing Technology

    Nice to have

    Familiarity with marketing platforms and campaign management tools

  • Global Compliance

    Nice to have

    Understanding of international data privacy and financial regulations

Tech stack

Languages

TypeScriptJavaScript

Frameworks

React

Tools

A/B Testing FrameworksAnalytics SolutionsFeature Flags

Other

Global Marketing PlatformsSecurity Frameworks

Compensation

Pay and benefits.

Base·USD 158,000 – 270,000

Benefits

  • Competitive Compensation

    Market-competitive salary packages aligned with experience and performance

  • Comprehensive Health Coverage

    Full health insurance coverage including medical, dental, and vision benefits

  • Flexible Work Environment

    Hybrid work arrangement designed to support work-life balance and productivity

  • Career Growth Opportunities

    Opportunities to spearhead projects, explore emerging technologies, and mentor talent

  • Innovation Culture

    Environment that encourages experimentation, challenges status quo, and continuous learning

  • Inclusive Workplace

    Diverse, collaborative environment that values different perspectives and ideas

Process

Interview steps.

  1. 01

    Initial Application Review

    Technical screening of resume and portfolio, focusing on React/TypeScript experience and growth engineering background

  2. 02

    Technical Phone Screen

    45-60 minute technical discussion covering frontend architecture, performance optimization, and A/B testing frameworks

  3. 03

    Technical Coding Assessment

    Live coding session or take-home assignment focusing on React component design and TypeScript implementation

  4. 04

    System Design Interview

    Discussion of frontend architecture for high-scale growth applications, including analytics integration and performance considerations

  5. 05

    Cross-functional Panel

    Behavioral interview with Growth team members, Product, and Design stakeholders focusing on collaboration and growth mindset

  6. 06

    Final Leadership Interview

    Discussion with senior engineering leadership about technical vision, career goals, and cultural fit

Full posting

Original listing.

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 2,000 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.

What You’ll Do

  • Architect and Build

    • 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.

  • Enable Data-Driven Decisions

    • 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.

  • Collaborate and Refine

    • 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.

  • Experiment and Iterate

    • 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.

  • Drive Technical Excellence

    • 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.

  • Ensure Security & Compliance

    • 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.

Who You Are

  • 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.

Why Join Us

  • Impact: Contribute directly to the core engine of user growth in a company that is reshaping global financial services.

  • Growth: Advance your career with opportunities to spearhead projects, explore emerging technologies, and mentor rising talent.

  • Innovation: Join a team that boldly experiments, challenges the status quo, and continuously evolves to lead in an ever-changing fintech landscape.

  • Culture: Work in an inclusive, open environment that values diverse ideas and collaboration.

  • Benefits: Enjoy competitive compensation, comprehensive health coverage, and a flexible work environment designed to support work-life balance.

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!

Applicant Safety Policy: Fraud and Third-Party Recruiters

To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page.

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.

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.

Redirects to Airwallex's application page.

Other roles

More at Airwallex.

View all 159 roles