Senior Frontend Engineer (TypeScript/React)

TL;DR

Senior Frontend Engineer (TypeScript/React): Building and optimizing intuitive, high-performance B2B user experiences for deal creation and management with an accent on leading frontend architecture decisions and modernization efforts. Focus on leveraging AI tools for accelerated development, ensuring UX quality, and maintaining operational excellence in high-traffic applications.

Location: Must be based in Valencia or Prague

Company

hirify.global is a global marketplace connecting customers with local businesses, uniquely committed to helping them succeed on a performance basis, and is currently undergoing an AI-first transformation.

What you will do

• Own and deliver complex frontend initiatives independently across high-traffic B2B applications.
• Lead frontend architecture decisions, including React, TypeScript, state management, and design system evolution.
• Drive modernization efforts by refactoring legacy UI codebases into scalable, maintainable platforms.
• Champion AI-assisted development, using tools like Cursor, Claude, or Copilot; mentor teammates on best practices.
• Collaborate closely with Backend, Product, Design, and Data teams to translate business requirements into user experiences.
• Ensure operational excellence by maintaining frontend observability, performance budgets, error monitoring, and documentation.

Requirements

• 6+ years of frontend engineering experience, with deep expertise in TypeScript and React.
• Strong fundamentals in modern frontend architecture: component design, state management, data fetching, and API integration.
• Experience building and maintaining production-grade web applications in high-traffic environments.
• Proven ability to optimize performance, accessibility (a11y), and responsiveness.
• Hands-on experience integrating AI coding tools into daily frontend development.
• Excellent communication skills and the ability to work cross-functionally.

Nice to have

• Experience building B2B, E-commerce, or marketplace user interfaces.
• Familiarity with design systems, Storybook, and scalable UI libraries.
• Experience with Next.js, server-side rendering, or micro-frontend architectures.
• Exposure to backend technologies (Node.js, GraphQL, REST APIs).

Culture & Benefits

• Work in an AI-first company committed to building smarter, faster, and more innovative ways of working.
• Culture that inspires innovation, rewards risk-taking, and celebrates success with immediate impact.
• Enjoy significant autonomy and make a meaningful impact within a large company with substantial resources.
• Encourages candidates and employees to leverage AI tools to elevate their roles and improve work processes.
• Contribute to a mission of building strong communities through thriving small businesses.