Top Front End Developer Jobs in Spain

Support APAC and MENA market expansion through go-to-market strategy, market research, technical sales demos using APIs, client outreach, and cross-functional collaboration with Sales, Marketing, and Product teams.

Build and maintain front-end features and developer-facing tooling for New Relic One using modern JavaScript/TypeScript. Select frameworks, produce performant CLI tools, automate developer tasks, collaborate on UI best practices, and implement CI pipelines and testing.

Remote Junior Java Developer to develop and support an Azure cloud-based platform. Requires 1–3 years Java experience, Azure knowledge, English fluency. Front-end and AWS experience are advantages. Open to long-term freelancers.

Drive end-to-end product development for iTero 3D imaging systems by translating clinical needs into software requirements, leading cross-functional agile teams, driving ML diagnostic initiatives from PoC to productization, analyzing clinical usage data for improvements, and embedding customer feedback into product decisions to enhance usability, performance, and clinical value.

As a Frontend Engineer, you will build and enhance frontend solutions for financial configurations, develop internal tools, and create customer-facing interfaces, ensuring high performance and quality in financial applications.

The Front-end Software Engineer will collaborate on the DXC Assure Digital Platform, focusing on product life cycle participation, feature delivery, mentoring peers, and engaging with open-source communities.

Lead design and implementation of scalable, secure, and high-performance React frontend applications. Build reusable components and design systems, drive architecture and best practices, mentor engineers, ensure testing, accessibility (WCAG), performance and security, and collaborate with product, UX, backend and QA to deliver production-ready features.

Frontend-focused full-stack developer to convert visual designs into TYPO3 Fluid templates. Must have PHP, JavaScript, HTML, CSS, SQL and Docker experience. Work collaboratively, solve problems independently, and contribute to team learning. English B2 required; German beneficial.

Build, ship, and own major parts of the product UI using React and Next.js. Design and optimize responsive, accessible interactive experiences. Collaborate with product, design, and backend teams, contribute to frontend architecture, performance, and component library, and elevate product quality through pragmatic, fast-moving execution.

Build and scale a return-management product for eCommerce. Solve challenging frontend problems, own software from infrastructure to product, collaborate with product and e-commerce leaders, iterate quickly, and contribute to a high-performance engineering team in Barcelona.

Lead ownership of the frontend experience from design through deployment and operations. Ship features collaboratively, drive technical and UX decisions, maintain strong automated test coverage (unit/integration/e2e), improve frontend observability, and help migrate a hybrid Backbone/Node codebase toward modern React/TypeScript.

Develop and maintain scalable web applications using Vue.js, Nuxt 3, and TypeScript. Collaborate in Agile squads, own features end-to-end, ensure code quality with automated testing, and improve engineering standards for international e-commerce clients.

As a Frontend Developer, you will implement features, develop reusable code components, optimize performance, and collaborate within agile teams, ensuring quality software development.

Responsible for developing, maintaining, and optimizing frontend components using frameworks like Vue.js, React, or Angular while collaborating with cross-functional teams.

The Staff/Lead Fullstack Engineer will enhance the Mimica Webapp by architecting scalable UI components, managing large datasets, and optimizing performance while collaborating with cross-functional teams.

The Senior Frontend Developer will design and maintain high-performance web applications, ensuring a user-centric experience by collaborating with UX/UI designers and backend engineers.

Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.

Design, implement, and maintain frontend applications and internal tools. Own delivery of high-visibility features, collaborate with cross-functional teams, mentor peers, and ensure performant, accessible, polished user interfaces integrated with backend systems.

As a TypeScript developer, you'll write clean code, develop front-end solutions, and utilize various web technologies to enhance home design experiences.

Seeking a Frontend Developer skilled in TypeScript and JavaScript, with experience in web development and 2D/3D graphics, to join our team.

Build and maintain scalable, accessible, high-performance frontend components and reusable libraries. Collaborate with Product, Design, and Backend teams, write tests, lead code reviews, mentor junior engineers, and drive frontend architecture and technical improvements.

Full-stack Developers at QuantCo build user interfaces for machine learning solutions, collaborating with data scientists and engineers to deliver actionable products.

Lead front-end engineer on the Mapper Team building scalable data-visualization and real-time multi-user front-end features. Own end-to-end projects, contribute to architecture and processes, mentor peers, participate in hiring, and deliver high-performance, testable, maintainable UI code.

Join Cerebras Systems to optimize and develop frontend compiler infrastructure for PyTorch models on their unique wafer-scale AI platform, focusing on model representation and optimization.

Build and maintain a high-data web platform using modern frontend technologies. Deliver well-structured code, develop SPAs with React/Redux, integrate Node/Express backends, implement testing, use build tools, follow SCRUM, and adapt across environments.