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# Senior Frontend Engineer, Spend

- **Company:** Airwallex US, LLC
- **Location:** San Francisco, CA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Web Interfaces, JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Software Bug Management, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Design of User Interfaces, Human-Computer Interaction, Real-Time Operating Systems, Software Engineering, Systems Integration, Time Tracking Software, TypeScript, ReactJS, Backend, Material UI, Information Technology, Graphql, Front End Software Development
- **Published:** November 7, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-frontend-engineer-spend-san-francisco-ca--a7f433b9-ec9a-4be3-a333-5fa7cabdead4

## About the Role

User Interface/Experience (UI/UX), Financial Operations, Artificial Intelligence (AI), Financial Systems, Realtime Operating System, Expense Management, Expense Tracking, User Interface/Experience (UI/UX), Time Tracking, Web Interface, * 6+ years of professional frontend software development experience.

 * A bachelor's degree in Computer Science, Engineering, or a related technical field.
 * Strong experience with JavaScript or TypeScript, React, HTML/CSS, and modern web development practices.
 * Experience integrating frontend applications with APIs and improving frontend performance.
 * A track record of writing well-tested, maintainable code and contributing to technical documentation.
 * Strong communication and collaboration skills, with the ability to work effectively across engineering, product, and design.

Preferred

 * Experience with GraphQL, design systems, or Micro Frontend architecture.
 * Exposure to CI/CD, monitoring, and frontend observability tools.
 * An interest in product development and a user-centric mindset., * You're comfortable owning the roadmap yourself.
 * You own the outcome and you don't wait for permission to fix what's broken.
 * You're not precious about your ideas. You push hard for what you believe in, but you pivot fast when the data says otherwise.
 * You say what you mean. You're direct, but you lead with respect.
 * You simplify complexity rather than hiding behind it.

## Description

You'll build and improve frontend experiences that simplify expense management for businesses, from real-time expense tracking and automated receipt capture to approvals and integrations.

 * Build maintainable, scalable web interfaces using React and TypeScript, contributing to a domain-based Micro Frontend architecture.
 * Partner with product managers, designers, and backend engineers to clarify requirements, iterate quickly, and deliver high-quality experiences in production.
 * Integrate frontend applications with backend services through Apollo GraphQL and a Backend-for-Frontend layer, while contributing to shared UI components and the team's design system.
 * Raise engineering standards through code reviews, testing, documentation, bug triage, frontend performance improvements, and participation in Frontend Guild discussions, technical spikes, and experimentation.