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# Front End Developer (React.js

- **Company:** Brainrocket
- **Location:** Valencia, Spain
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Software as a Service, Performance Tuning, TypeScript, User-Centered Design, ReactJS, Backend, Front End Software Development, React Redux, Es2015
- **Published:** July 21, 2026
- **Apply:** https://www.jobleads.com/es/job/ea5f985cb6c1d718e02cbd5826837936a

## About the Role

* 5+ years of experience in Front-End development.
 * Strong expertise in JavaScript (ES6+), TypeScript, and React.js.
 * Proven experience owning and improving development processes.
 * Experience working in a startup environment.
 * Strong architectural thinking and ability to work independently.
 * Strong written and spoken English., * Experience working on large-scale / enterprise-level projects.
 * Experience designing complex CRM or SaaS systems.
 * Knowledge of state management libraries (Redux, Zustand, etc.).
 * Experience with performance optimization and scalable UI systems.
 * Understanding of UX principles and product thinking.

## Description

Senior Frontend Developer (React): Designing and implementing scalable, maintainable frontend architecture for a CRM management platform with an accent on performance optimization and responsiveness. Focus on leading feature development from concept to production, collaborating with cross-functional teams, and ensuring high-quality technical solutions., * Design and implement scalable, maintainable frontend architecture using JavaScript, TypeScript, and React.js.

 * Collaborate closely with Product, Design, and Backend teams.
 * Lead feature development from concept to production.
 * Ensure performance optimization and responsiveness of the application.
 * Participate in architectural decisions and technical planning.


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