Senior Frontend Engineer (React): Building and optimizing robust, scalable features for a recruiting platform with an accent on frontend architecture, state management, and end-to-end feature ownership. Focus on driving technical quality, implementing complex React components, and ensuring high performance and accessibility in a mature engineering environment.
Location:

Must be based in or be able to relocate to Barcelona, Spain

(Hybrid role).
Salary: €67,000–€80,000 per year.
Company

JOIN is a recruiting software startup building intuitive and powerful tools to make the hiring process fast, easy, and fair for companies of all sizes.
What you will do

Own the delivery of high-impact frontend features end-to-end, from technical discovery and design to implementation and monitoring.
Translate product requirements into scalable technical solutions, proactively managing UX trade-offs and performance implications.
Develop complex, maintainable React components and application flows using TypeScript and modern architectural principles.




Drive technical quality by implementing robust unit and end-to-end testing strategies.
Collaborate with Product and Design teams to balance user experience, feasibility, and development speed.
Mentor junior engineers through knowledge sharing and code collaboration.
Requirements

4+ years of experience as a Frontend Engineer working with React.
Strong proficiency in TypeScript, HTML5, and CSS3.
Solid experience with state management libraries like Redux or Zustand.
Practical knowledge of API integration patterns (REST/GraphQL) and CI/CD pipelines.
Familiarity with testing frameworks such as Jest, React Testing Library, or Cypress.
Must be based in Barcelona or willing to relocate to Spain.
Nice to have

Experience contributing to or maintaining a Design System.
Familiarity with Figma and UI collaboration workflows.
Exposure to backend concepts or full-stack environments.
Experience with analytics or A/B experimentation tools.
Culture & B

📌 Senior Frontend Engineer (Madrid)
🏢 Talanto
📍 Madrid