Senior 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.Location: Office-based inValencia, Spain.Relocation package to Spain is provided.CompanyBrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing.What you will doOwn and drive frontend development processes and standards.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.Requirements5+ 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.Nice to haveExperience 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.Culture & BenefitsLearning and development opportunities and interesting, challenging tasks.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.Hiring processInterview with the Recruiter.Technical Interview.Final Interview with the Hiring Team.Offer.#J-*****-Ljbffr

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 . Nice to have 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. Hiring process Interview with the Recruiter. Technical Interview. Final Interview with the Hiring Team. Offer. #J-*****-Ljbffr

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