Top Front End Developer Jobs in Barcelona

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.

Develop Vue.js components for a dashboard, create data visualizations, debug code, and collaborate with team members in an agile environment.

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 the design and engineering of user interfaces and dashboards for Roche's digital products, mentoring junior engineers and driving technical solutions.

Design, develop, and maintain responsive, high-performance Angular user interfaces for enterprise applications. Translate UI/UX designs into reusable code, ensure cross-browser compatibility and accessibility, integrate with RESTful APIs, implement testing strategies, perform code reviews, debug UI issues, and mentor junior developers while improving front-end architecture and processes.

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 Senior Front-End Software Engineer, you'll design and implement services, contributing to the architecture and product strategy in a fast-paced environment.

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

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.

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

Build, test, and deploy performant web applications using a no-framework approach and custom elements. Collaborate with UX and backend teams, ensure scalability and reliability, perform code reviews, troubleshoot issues, and use CI/CD pipelines.

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.

SynergyOS seeks software engineers for backend, frontend, and DevOps roles to build a productivity platform for enterprises, enhancing office workflows.

Design and deliver performant, scalable frontend experiences for a high-traffic global platform. Collaborate in cross-functional squads to implement end-to-end features, participate in architecture decisions, ensure quality through testing and code reviews, mentor teammates, and drive improvements in observability, scalability, and developer experience.

The role involves designing, building, and implementing new services, working closely with the product team, and taking ownership of projects from 0 to 1.

The Senior Frontend Engineer will optimize and refine existing code, implement UX/UI improvements, and maintain high code quality, working autonomously and collaboratively with designers and engineers.

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.

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.

Develop server-side applications using Kotlin and Java, collaborate with teams to enhance Atlassian plugins, and ensure code quality through testing and reviews.

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.

The Frontend Engineer will improve architecture, ensure timely project delivery, code features, review team code, and collaborate across functions.

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.

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.

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.