Senior Frontend Developer

hace 1 semana

Madrid, Madrid, España Gaming Innovation Group A tiempo completo
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

  • Senior Frontend Developer

    hace 2 semanas

    Madrid, Madrid, España Gaming Innovation Group A tiempo completo

    Application Deadline:31 December 2025Department:SportLocation:BarcelonaDescriptionWe 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...

  • Senior Frontend Developer

    hace 2 días

    Madrid, Madrid, España Userlytics A tiempo completo

    Company DescriptionUserlytics, established in 2009 in San Francisco with additional offices in Miami, Florida, and Madrid, Spain, is a leading global platform for remote user experience (UX) and usability testing. With a proprietary panel of nearly 2 million participants across 39 countries, the platform delivers insights into customer experiences through...

  • Sr Frontend Developer

    hace 7 días

    Madrid, Madrid, España GFT Technologies España A tiempo completo

    del puesto:¿Qué estamos buscando?Actualmente tenemos un puesto vacante para un/aSenior Frontend Developer con experiencia en Reactque quiera desarrollar su carrera dentro del área de Frontend Development en GFT. Buscamos una persona entusiasta y dinámica dispuesta a empezar y crecer en un entorno multicultural, motivador y desafiante.Tus principales...

  • Sr Frontend Developer

    hace 13 horas

    Madrid, Madrid, España GFT A tiempo completo

    GFT es una compañía pionera en transformación digital. Diseñamos soluciones de negocio centradas en la inteligencia artificial (AI-Centric), modernizamos infraestructuras de TI y desarrollamos sistemas core de nueva generación para líderes del sector bancario, asegurador e industrial. En estrecha colaboración con nuestros clientes, desafiamos los...

  • Frontend developer

    hace 2 semanas

    Madrid, Madrid, España GFT Technologies A tiempo completo

    del puesto:¿Qué estamos buscando?Actualmente tenemos un puesto vacante para un/a Senior Developer que quiera desarollar su carrera dentro del area de Development en GFT. Buscamos una persona entusiasta y dinámica dispuesta a empezar y crecer en un entorno multicultural, motivador y desafiante.Tus principales responsabilidades serán:Desarrollo de...

  • Senior Frontend Developer

    hace 2 días

    Madrid, Madrid, España Wasmer A tiempo completo

    About The RoleWe are seeking a skilled frontend developer with industrial-strength software engineering skills to help us build the Wasmer website.About UsAt Wasmer, we work on the software that will power the next generation of computing platforms for local, cloud, and edge applications using WebAssembly. Similar to how enables server-side JavaScript, we...

  • Senior Frontend Game Developer

    hace 2 semanas

    Madrid, Madrid, España Block Labs A tiempo completo

    About Block LabsBlock Labs is a leading force in the Web3 space, incubating, investing in, and accelerating top-tier fintech, crypto, and iGamingprojects. With a mission to shape the future of decentralized technology, we partner with visionary startups to raise funding, refine product-market fit, and grow their audiences.As we continue to expand, we are...

  • Frontend Developer

    hace 2 semanas

    Madrid, Madrid, España Between Technology A tiempo completo

    En BETWEEN te ofrecemos las oportunidades que necesitas para alcanzar tus objetivos profesionales. Si quieres desarrollar tus capacidades en IT e Ingeniería este es tu próximo destinoDamos soporte en una gran variedad de áreas como Firmware, Software, BI, Diseño, Project Management y muchas más. Además, desarrollamos soluciones tecnológicas a medida...

  • Senior Fullstack Developer

    hace 2 semanas

    Madrid, Madrid, España WeHunt España A tiempo completo

    Rol de Senior Fullstack Developer (TypeScript)90% Remoto (Madrid)Sobre nuestro cliente:Empresa multinacional puntera en el área deInteligencia Artificial, con sede en España y proyectos de alcance internacional.Sobre el perfil:Buscamos unSenior Fullstack Developercon sólida experiencia en y TypeScript, capaz de trabajar tanto en el frontend como en el...

  • Senior Frontend Developer

    hace 2 semanas

    Madrid, Madrid, España Pragmatike A tiempo completo

    About The JobLocation: Fully remote, EU timezone (CET +/- 2 hours)Start date:ASAPLanguages: English is mandatory; French is a plusWe are hiring at Pragmatike to expand our team and drive the growth of our internal projects.Our focus is on developing cutting-edge solutions in Cloud Computing, Blockchain, and Artificial Intelligence, while fostering a culture...