Senior Front End Developer (React.js)

🚀 BrainRocket is a global company creating end-to-end tech products for clients across iGaming, Fintech, and Marketing. Young, ambitious, and unstoppable, we've already taken Spain, Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.

❗️Please note that this role is office-based for Spain.

❗️If you need to be relocated, we take care of the process.

⚡ We are looking for an experienced Senior Front End Developer (React.js) to join our development team in Valencia.

Product: CRM management platform designed to help businesses manage customers, streamline communication channels, and improve retention through data-driven engagement strategies. It focuses on optimizing customer lifecycle processes and enabling teams to influence long-term customer loyalty.

✅ Responsibilities:

✔️Own and drive front-end development processes and standards
✔️Design and implement scalable, maintainable front-end architecture using JavaScript, TypeScript and React.js
✔️Collaborate closely with Product, Design, and Back-End teams
✔️Translate business requirements into high-quality technical solutions
✔️Lead feature development from concept to production
✔️Ensure performance optimization and responsiveness of the application
✔️Participate in architectural decisions and technical planning
✔️Maintain clear documentation in English
✔️Communicate effectively with external stakeholders when required.

✅ Requirements

✔️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
✔️Open-minded, proactive, and solution-oriented mindset
✔️Strong written and spoken English (documentation and external communication).

✅ 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.

✅ Recruitment Process:

1. Interview with the Recruiter: An introductory conversation to get to know you better, discuss your background, and align expectations about the role and the company
2. Technical Interview: An in-depth discussion about your technical expertise, hands-on experience, and approach to solving real-world problems
3. Final Interview with the Hiring Team: A conversation with team members and leadership to assess cultural fit, collaboration style, and alignment with the team’s goals
4. Offer: If everything goes well, we’ll move forward with a formal offer to join our team.

✅ We offer excellent benefits, including but not limited to:

💻 Learning 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
🎁 Birthday celebration gift
🏝 23 working days of Annual Vacation for proper rest
🏋️‍♂️ Social Club and more than 50 events per year - coming soon
⚖️ Competitive remuneration level with annual review
🏄🏻‍♂️ Team building activities.