Senior Frontend Engineer
Finix Payments Inc
- San Francisco, California, United States
- San Francisco, California, United States
Über
To date Finix has raised over $200M, including a $75M Series C led by Acrew Capital and Lightspeed Venture Partners and backed by American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Visa, and others.
Role Overview As a Senior Frontend Engineer on our Frontend Engineering Team, you'll architect and build the core payment experiences that power thousands of businesses. You'll develop our comprehensive payments management dashboards and embeddable components that merchants integrate directly into their applications.
In this role, you'll drive the technical vision for customer-facing products from conception to production. You'll lead design and implementation decisions while ensuring our payment interfaces remain performant, secure, and intuitive as we scale.
Our engineering team operates with high autonomy and ownership—each engineer makes meaningful contributions that directly impact customer success in our dynamic fintech environment.
Finix is looking for engineers who bring exceptional technical acumen, attention to detail, passion for growth, and an obsession with delivering an exceptional customer experience.
You Will
Build and maintain sophisticated payment dashboards and transaction management interfaces
Build performant, accessible, and reusable component libraries that scale across multiple products
Lead technical design sessions and drive frontend architecture decisions
Optimize application performance for high-volume financial data processing
Collaborate with Product, UX, and Engineering teams to translate complex payment workflows into intuitive user experiences
Mentor engineers and establish frontend development standards and best practices
You Are
Experienced in balancing rapid feature delivery with code quality, testing, and maintainability
Skilled at translating business requirements into scalable technical solutions
Proactive in monitoring live systems and troubleshooting production issues
Comfortable working with ambiguous requirements and driving clarity through technical discovery
Committed to knowledge sharing and building team capabilities through documentation and mentorship
You Have
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
Bonus if you have
Experience in payments, fintech, fraud prevention, or financial services
Backend development experience with Java/Spring, Docker, Kubernetes, or AWS
Track record building secure, observable APIs and distributed systems
Experience with micro-frontend architectures or component library development
Compensation $160,000 - $235,000 a year
Location San Francisco, CA
Role Details Role: Software Engineer IV Level: IC4-IC5 Base Salary Range: $160,000/yr to $235,000/yr + equity + benefits
Employment Details Must be authorized to work in the U.S.; no visa sponsorship provided.
EEO Statement Finix is an equal opportunity employer and values diversity. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, or any other protected class.
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Sprachkenntnisse
- English
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