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Senior Frontend Developer

hace 52 minutos

Barcelona, Barcelona, España Gaming Innovation Group A tiempo completo
Senior Frontend Developer

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