Senior Frontend Engineer, Expenses

Airwallex • San Francisco, CA

8d • $147,000 - $252,000 • Hybrid

About The Position

The Expenses team builds innovative solutions that simplify the entire expense management process for our customers. From real-time expense tracking and automated receipt capture to seamless approvals and integrations, we deliver tools that give businesses greater control and efficiency over global spending.
As a Frontend Engineer, you will be responsible for designing and implementing user friendly web interfaces that enhance the usability and functionality of our procurement offerings. This role requires expertise in front-end technologies, a strong focus on user experience, and the ability to collaborate with cross-functional teams. Our team is breaking new engineering ground and we have the opportunity to define innovative solutions for a number of challenges, paving the way for other teams to follow in our footsteps.
This hybrid role is based in San Francisco.

Requirements

• 6+ years of professional frontend software development experience.
• Bachelor’s degree in Computer Science, Engineering, or a related technical field.
• Solid understanding of JavaScript/TypeScript, React, HTML/CSS, and modern web development best practices.
• Familiarity with API integration patterns and frontend performance optimisation.
• Demonstrated ability to write well-tested, maintainable code, and contribute to documentation.
• Strong communicator and team player who enjoys working in a cross-functional, collaborative environment.

Nice To Haves

• Experience with GraphQL, design systems, or micro frontend architecture.
• Exposure to CI/CD, monitoring, and frontend observability tools.
• Interest in product development and a user-centric mindset.

Responsibilities

• Implement and maintain frontend features using React and TypeScript, breaking down requirements into actionable tasks, estimating work, and participating in team planning and reviews.
• Contribute to the development of Micro Frontends following a domain-based design approach, ensuring maintainability and modularity.
• Work with product managers and designers to clarify feature requirements, support iterative delivery, and ensure product quality in production.
• Use Apollo GraphQL to integrate with backend services via a Backend-for-Frontend (BFF) layer, focusing on clean, scalable APIs.
• Collaborate with designers to implement and improve shared UI components and contribute to the team’s design system.
• Participate in team code reviews, help triage bugs, and contribute to improving the team's engineering standards.
• Engage in ongoing learning via Frontend Guild discussions, tech spikes, and experimentation with new technologies.
• Partner backend engineers, and product teams to deliver a smooth, high-quality user experience.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior