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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Frontend React Developer - **Company:** Número De - **Location:** Madrid, Spain (Remote available) - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), PHP (Programming Language), Application Performance Management, HTML5, Cascading Style Sheets (CSS), Code Review, Software Debugging, Design of User Interfaces, Laravel, Performance Tuning, Web Application Frameworks, ReactJS, Backend, Git, Front End Software Development, Restful APIs - **Published:** September 17, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role The ideal candidate brings strong hands-on frontend development experience, a solid command of React.js, and the ability to work independently in a remote environment. + Proven experience as a Frontend Developer with strong React.js expertise. + Strong knowledge of JavaScript, HTML5, and CSS3. + Experience developing responsive and scalable web applications. + Good understanding of REST APIs and frontend integration with backend services. + Experience with Git and modern frontend development practices. + Previous experience working remotely and delivering projects independently. + Strong problem-solving, analytical, and troubleshooting skills. + Intermediate level of English. + Ability to take ownership, manage priorities, and work with minimal supervision. + Experience with PHP/Laravel is a plus but not required. ## Description Join a fully remote development team building and enhancing a high-performance online betting platform in a fast-growing environment. As a Frontend React Developer, you will play a key role in creating responsive, scalable, and user-friendly digital experiences. You will work closely with developers, product stakeholders, and other teams to turn ideas into impactful features. The role offers significant ownership, hands-on technical challenges, and opportunities to influence the evolution of the product. You will contribute across development, performance optimization, troubleshooting, and continuous improvement. This is an opportunity to grow your frontend expertise while working on a product with ambitious expansion plans. Accountabilities: As a Frontend React Developer, you will take ownership of delivering reliable, high-quality frontend experiences while collaborating closely with the wider development and product teams. + Develop, enhance, and maintain the platform using React.js. + Build responsive, high-performance, and intuitive user interfaces. + Write clean, maintainable, scalable, and efficient code. + Collaborate with developers, product stakeholders, and other teams to deliver new features. + Participate in code reviews, debugging, and ongoing technical improvements. + Troubleshoot technical issues and optimize application performance. + Keep up to date with modern frontend technologies, frameworks, and development best practices. ## Related Videos - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [The Pragmatic Architect: Balancing Necessity vs. Sufficiency in React Systems](https://www.wearedevelopers.com/videos/2101-the-pragmatic-architect-balancing-necessity-vs-sufficiency-in-react-systems) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)