Senior Frontend Developer
Department: Sport
Employment Type: Full Time
Location: Madrid
Reporting To: Alexis Marchal
Description
We are seeking an experienced Senior Frontend Developer with expertise in NuxtJS or React to join our frontend sportsbook development team. As a Senior Frontend Developer, you will play a crucial role in building and maintaining high-quality web applications. You will collaborate with designers, product managers, and backend developers to deliver scalable, high-performance solutions.
Key Responsibilities
* Design, develop, and maintain frontend applications using NuxtJS or React.
* Collaborate with cross-functional teams to translate requirements and user stories into well-structured and maintainable code.
* Lead the development of complex user interfaces and contribute to architecture decisions.
* Optimize web applications for maximum speed and scalability.
* Implement and maintain responsive designs and cross-browser compatibility.
* Write clean, efficient, and reusable code with a focus on modularity and maintainability.
* Ensure the technical feasibility of UI/UX designs.
* Participate in code reviews and mentor junior developers.
* Stay up-to-date with emerging frontend technologies and best practices.
* Troubleshoot, debug, and resolve issues in the production environment.
* Develop and maintain tests
Skills, Knowledge & Expertise
* 5+ years of experience in frontend development with a focus on NuxtJS or React.
* Strong knowledge of JavaScript, TypeScript, HTML5, and CSS3.
* Experience with modern frontend tools and libraries (e.g., Vuex, React Redux, Sass, Webpack, Babel).
* Strong understanding of REST APIs and GraphQL for integrating frontend with backend services.
* Strong understanding of NodeJS and Socket or SSE
* Familiarity with state management and architectural patterns like MVVM, Flux, or Redux.
* Expertise in responsive design and mobile-first development.
* Understanding of web performance optimisation techniques.
* Experience with version control systems like Git.
* Solid understanding of testing frameworks (e.g., Jest, Cypress, Mocha).
* Proven track record of delivering complex projects in a fast-paced environment.
* Strong problem-solving skills and attention to detail.
Job Benefits
* Competitive gross annual salary
* Private Health Insurance
* Health & Wellbeing Package
* Birthday day off
* "Me Time" – 1 additional personal day per year
* Great career development opportunities
* Hybrid working model
* Training & certification budget