Senior Frontend Engineer (React)

Location: Spain; remote

Company

hirify.global is a fintech product company building trading and investing products for more than 6 million clients.

What you will do

• Own complex frontend features end to end across web and mobile.
• Design and evolve React and React Native systems, shared libraries, and reusable abstractions.
• Diagnose and resolve rendering, state-management, bundle, and runtime-performance bottlenecks.
• Use TypeScript to make behavior explicit and prevent defects.
• Collaborate with product, backend engineering, and QA to turn complex requirements into simple user experiences.
• Maintain quality through code reviews, unit, end-to-end, and visual-regression testing; mentor colleagues and raise engineering standards.

Requirements

• Production frontend experience with React or React Native and TypeScript.
• Strong knowledge of React rendering, component boundaries, data flow, and state management.
• Experience designing maintainable frontend architecture and reusable abstractions.
• Practical experience diagnosing performance problems in complex web or mobile products.
• Sound testing judgment across unit, end-to-end, and visual-regression coverage.
• Strong engineering fundamentals, product judgment, structured problem-solving, and the ability to explain technical trade-offs.

Culture & Benefits

• Small, autonomous engineering groups with ownership from problem definition through production.
• Weekly release cycle and high standards for frontend performance, correctness, and clarity.
• Frontend platform spanning web and mobile with approximately 95% code reuse.
• Recruiters explain each hiring stage clearly and follow up after every conversation.

Hiring process

• Recruiter conversation.
• Code review and experience deep dive.
• Managerial interview.