Front End Developer (React.js

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.

• 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.

• Official employment following Spain/EU laws, including registration of family members.
• Relocation package (flight tickets + 2-week hotel stay).
• Language development support and partial compensation for classes.
• 23 working days of Annual Vacation for proper rest.
• Competitive remuneration level with annual review.

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing.