Senior Frontend Engineer
FinixSan Francisco, California, United States • United States
Posted September 24, 2025
180000 - 220000 USD year
Full Time
About the Company
Finix is a leading payment processor specializing in enabling software platforms, marketplaces, and businesses to efficiently accept payments, send money, and manage payouts. With services including payment systems, risk management, and fraud solutions, Finix helps companies maximize revenue while minimizing costs. Trusted by startups and established firms alike, Finix offers a comprehensive suite of payment infrastructure APIs and merchant management tools.
Job Description
Finix is a full-stack acquirer processor looking for a Senior Frontend Engineer to build core payment experiences for businesses. The role involves architecting and implementing payments management dashboards, embedding components, and optimizing application performance. Finix is a rapidly growing company with a strong engineering culture focused on customer experience and technical excellence.
Requirements
- 6+ years of production experience with modern web technologies (HTML, CSS/SCSS, JavaScript/TypeScript)
- 3+ years of hands-on React development in complex, data-heavy applications
- Solid experience with state management solutions (Redux, Zustand, Recoil, or similar)
- Strong background in testing strategies and frameworks
- Experience building responsive, accessible web applications
- Understanding of RESTful APIs and modern build tools
- Experience in payments, fintech, fraud prevention, or financial services
Benefits
- Competitive Salary
- Equity
- Health Insurance
- Bonus
