Airwallex (UK) Limited logo

Senior Frontend Engineer - Growth

Job Overview

Location

US - San Francisco

Job Type

Full-time

Category

Frontend Engineer

Date Posted

June 21, 2026

Full Job Description

đź“‹ Description

  • • Design, develop, and enhance highly scalable, performance-driven frontend solutions using React and TypeScript for growth initiatives including landing pages and marketing campaigns.
  • • Write well-tested, maintainable, and efficient code to ensure robust performance and smooth user experiences across global user journeys.
  • • Collaborate with data scientists and product managers to track and interpret critical user behavior metrics, supporting A/B testing, feature flagging, and experimentation frameworks.
  • • Work closely with Design, Product, and Marketing teams to deliver intuitive, delightful user interfaces and continuously refine key user journey flows to increase conversions and reduce friction.
  • • Develop rapid prototypes to validate new ideas or hypotheses related to user acquisition and engagement, using insights to iterate quickly.
  • • Champion frontend best practices, uphold high standards of code quality, and drive technical leadership and architectural decisions for growth-focused products.
  • • Integrate secure coding practices and frameworks to protect user data and proactively identify and address potential vulnerabilities, ensuring compliance with global regulations.
  • • Architect and build frontend solutions that power growth funnels and marketing campaigns at scale, directly impacting user acquisition and retention globally.
  • • Participate in cross-functional collaboration to translate business objectives into technical implementations that drive measurable growth outcomes.
  • • Contribute to the evolution of experimentation infrastructure by aligning frontend implementations with data collection and analysis requirements.
  • • Maintain a user-centric development approach informed by user research and design thinking principles to optimize engagement and conversion rates.
  • • Demonstrate ownership of end-to-end delivery of frontend features, from concept through deployment and performance monitoring.
  • • Apply AI tools to accelerate problem-solving and improve development efficiency while maintaining code integrity and system reliability.
  • • Ensure all frontend implementations adhere to global privacy standards and compliance requirements, including data protection regulations.
  • • Mentor peers and support team growth through knowledge sharing and collaborative code reviews.
  • • Translate complex product requirements into clean, modular, and scalable React components with TypeScript.
  • • Optimize frontend performance for high-traffic web applications serving millions of users across diverse global markets.
  • • Integrate with marketing platforms and analytics tools to enable real-time tracking and optimization of user acquisition campaigns.
  • • Drive technical decisions that balance speed, rigor, and long-term maintainability in a fast-paced, high-visibility growth environment.

Skills & Technologies

TypeScript
React
Frontend
Senior
Onsite
Degree Required

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Airwallex (UK) Limited logo
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About Airwallex (UK) Limited

Airwallex is a global financial technology company providing cross-border payment and banking infrastructure for businesses. It offers multi-currency accounts, foreign exchange, card issuing, expense management, and embedded finance APIs. Founded in Melbourne in 2015, the company serves enterprises and SMEs across Asia-Pacific, Europe, and the Americas, operating under licenses in multiple jurisdictions and processing billions in annualized transaction volume.

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