Senior Frontend Developer – React & TypeScript

At Check Payee, we’re building the infrastructure of trust for European payments. Our real-time API verifies payees before payments are processed — protecting users and reducing APP fraud. As a Senior Frontend Developer, you’ll work on creating intuitive, secure interfaces that make our fraud prevention technology accessible to banks, PSPs, and fintechs across Europe.

• Build Modern Web Applications
  :
  Develop responsive, accessible React applications with Type Script for payment verification
• Collaborate with Design
  :
  Implement pixel-perfect UI components that match our design system
• Optimize Performance
  :
  Ensure fast loading times and smooth interactions for real-time financial applications
• Maintain Code Quality
  :
  Write clean, testable code with comprehensive documentation
• Mentor Team Members
  :
  Collaborate with product, design, and backend teams on feature development
• Frontend
  :
  React 18+, Type Script, Tailwind CSS, Vite
• State Management
  :
  Zustand, React Query for server state
• Testing
  :
  Jest, React Testing Library, Playwright for E2E
• Tools
  : ESLint, Prettier, Git, Husky for git hooks
• Deployment
  :
  Vercel with automated CI/CD pipelines
• 5+ years of professional React development experience
• Experience with responsive design and CSS-in-JS solutions
• Knowledge of React ecosystem (hooks, context, suspense)
• Experience with version control (Git) and collaborative development
• Understanding of web accessibility standards (WCAG)
• Knowledge of payment systems or fintech applications
• Experience with design systems and component libraries
• Background in performance optimization and Core Web Vitals
• Familiarity with backend technologies (Node.js, APIs)
• Experience with monitoring tools (Sentry, Log Rocket)
• We’re multilingual, collaborative, and customer-obsessed
• We solve complex problems with simple explanations
• We’re proactive, not just reactive in our support
• You’ll be part of a growing, international customer success team
• Cutting-edge Technology
  :
  Work with the latest React features and modern tooling
• Real Impact
  :
  Your code directly improves payment security for businesses across Europe
• Learning Environment
  :
  Regular tech talks, conference attendance, and learning budget
• Work-Life Balance
  :
  Flexible hours, remote-first culture, and generous PTO
• Growth Opportunities
  :
  Clear career progression paths and mentorship programs
• Initial Review
  :
  We’ll review your portfolio and resume within 2 business days
• Technical Interview
  : 45-minute discussion about React, Type Script, and frontend best practices
• Coding Challenge
  :
  Take-home project building a small React application (2-3 hours)
• Team Interview
  :
  Meet with frontend team members and discuss collaboration
• Final Decision
  :
  Complete process within 1 week of application

We value developers who combine strong technical skills with excellent communication and a passion for creating great user experiences. You should be comfortable working in a fast-paced environment, learning new technologies, and contributing to architectural decisions.

Ready to build the future of payment verification? We’d love to see your work and discuss how you can contribute to our mission.

• 5+ years of React development experience
• Experience with modern frontend tooling (Vite, Webpack)
• Knowledge of responsive design principles
• Experience with state management (Redux, Zustand)
• Familiarity with testing frameworks (Jest, Testing Library)
• Remote-first culture with flexible hours
• Opportunity to fight financial fraud at scale
• Work with experienced, international team
• Modern stack:
  React 18+, Type Script, Tailwind CSS, Vite
• Professional development budget and conference support