Senior Frontend Engineer at Finix

San Francisco, California, United States

Finix Logo
Not SpecifiedCompensation
Senior (5 to 8 years)Experience Level
Full TimeJob Type
UnknownVisa
FintechIndustries

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
  • 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

Responsibilities

  • 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

Skills

JavaScript
React
Component Libraries
Dashboard Development
Performance Optimization
Accessibility
Frontend Architecture
UI Design

Finix

Payment processing solutions for software platforms

About Finix

Finix simplifies payment processing for software platforms, allowing them to accept payments, manage payouts, and onboard merchants through a developer-friendly API. This solution integrates easily with existing software, helping clients like SaaS providers and e-commerce platforms manage their payment operations efficiently. Finix stands out by streamlining the payment process, reducing complexity and costs while ensuring secure transactions. The company's goal is to help businesses increase revenue from their payment operations and reinvest in their core activities.

San Francisco, CaliforniaHeadquarters
2015Year Founded
$195MTotal Funding
SERIES_CCompany Stage
Enterprise Software, FintechIndustries
201-500Employees

Benefits

Competitive compensation
Generous PTO
Flexible health plans
Coverage for dependents
Inclusive parental leave

Risks

Competition from Stripe and Square pressures Finix's market share.
Apex Group acquisition may disrupt Finix's business model.
Technical challenges may affect adoption of Advanced Fraud Monitoring.

Differentiation

Finix offers a developer-friendly API for seamless payment integration.
The platform provides real-time transaction tracking and modular architecture.
Finix's Advanced Fraud Monitoring enhances security with AI-powered, no-code capabilities.

Upsides

Embedded finance trend aligns with Finix's API-driven approach.
Rising demand for real-time payments benefits Finix's real-time interface.
Global e-commerce growth increases need for Finix's payment solutions.

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