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Senior Frontend Developer
hace 3 semanas
Application Deadline: 31 December 2025
Department: Sport
Employment Type: Full Time
Location: Barcelona
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
