120 frontend developer English-speaking jobs in Catalonia

The Frontend Developer will be responsible for developing and implementing user-facing features using ... Role Description This is a full-time hybrid role in Barcelona (Spain) for a Frontend Developer at Knox

remote basis from across the worldRequirements:• At least 5 years of experience as a frontend developer ... We are seeking seasoned Frontend Developers to join our Tools & Treatment Department on a hybrid/ fully

Now, let’s make sure you’re a good fit for the role:Key ResponsibilitiesWe are looking for a Senior Frontend ... In this role, you will be responsible for leading the design, development, and delivery of scalable frontend ... high-quality, accessible, and maintainable user experiences.Must-have Skills7+ years of experience as a Frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

About you: 6–10+ years experience as a Full-Stack Developer. ... Node.js / Typescript on backend and frontend (mainly Vue.JS).. ... About the Role We're looking for a hands-on Full-Stack Developer to join our scaling tech team and ... You'll collaborate closely with the tech team across the full development lifecycle — refining frontend

Opportunity – Tech Lead Frontend About the role The Frontend Engineer (Fullstack-Oriented) will focus ... Technical skills Proficiency in frontend development using React and Next.js. ... CI/CD and testing: Implement CI/CD pipelines and ensure rigorous testing of frontend components. ... The role demands proficiency in frontend technologies, some analytical skills, familiarity with backend ... Main Responsabilities Frontend development: Design and develop responsive and user-friendly interfaces

monitoring frameworks and developer tools.Proficiency in scripting and test automation (JavaScript, ... performance using modern tools (e.g., Lighthouse, WebPageTest, Dynatrace) and browser developer tools.Identify ... Are you motivated to take ownership and contribute to building high-performing frontend solutions in ... performance bottlenecks across frontend, APIs, and infrastructure, and recommend improvements.Collaboration ... techniques (lazy loading, caching, CDN, minification).Backend/API dependencies and their impact on frontend

collaborative work environment, where you will have the opportunity to learn and grow as a software developer ... From our early days we are in constant evolution and presently we would like now to add in our staff a Frontend ... Purpose of the jobThe Frontend Engineer will focus on building user-centric, responsive, and performant ... The role demands proficiency in frontend technologies, analytical skills, familiarity with Node.js, and ... to ensure scalability and maintainability.Set up and maintain CI/CD pipelines and perform testing of frontend

Opportunity – Tech Lead Frontend About the roleThe Frontend Engineer (Fullstack-Oriented) will focus ... The role demands proficiency in frontend technologies, some analytical skills, familiarity with backend ... to improve development workflows.Collaboration: Participate in Agile projects, contributing to both frontend ... and backend initiatives.Technical skillsProficiency in frontend development using React and Next.js.Styling ... with Fastify as needed.API integration: Integrate and optimize APIs for seamless communication between frontend

collaborative work environment, where you will have the opportunity to learn and grow as a software developer ... solutions using React and modern frontend practices.Drive backend development with Node.js, ensuring ... technical direction of a small, cross-functional engineering team.Design, build, and review scalable frontend

Solid experience with Node.js backend and modern frontend frameworks (Vue.js preferred).