Finix
Senior Frontend Engineer
$160K–$235K
San Francisco · On-site · Senior · Full-time · Posted Sep 24, 2025
- Experience
- 6+ years of production experience with modern web technologies; 3+ years of hands-on React development.
About the job
Builds and leads development of payment dashboards, transaction interfaces, and reusable frontend components for Finix’s payment products.
What you'll do
- Build and maintain payment dashboards and transaction management interfaces, plus scalable component libraries.
- Lead frontend design and architecture decisions; optimize performance for high-volume financial data.
- Collaborate across Product, UX, and Engineering, and mentor engineers while setting frontend standards.
What they ask for
- 6+ years of production experience with modern web technologies, including HTML, CSS/SCSS, and JavaScript/TypeScript.
- 3+ years of hands-on React development in complex, data-heavy applications.
- Experience with state management solutions, testing strategies and frameworks, and responsive, accessible web applications.
- Understanding of RESTful APIs and modern build tools.
Nice to have
- Experience in payments, fintech, fraud prevention, or financial services.
- Backend experience with Java/Spring, Docker, Kubernetes, or AWS; or experience with micro-frontends or component libraries.
Pay
USD 160,000–235,000 (per-year-salary) (base salary)
Tools
HTML, CSS/SCSS, JavaScript/TypeScript, React, Redux, Zustand, Recoil, RESTful APIs
Model-written summary · the original posting is authoritative