Top Front End Developer Jobs in Spain

Lead design of cross-platform core UX and mobile foundations, defining reusable patterns, information architecture, and scalable experience frameworks. Own end-to-end design cycles, run qualitative and quantitative research, collaborate with design system and engineering, champion usability and accessibility, and drive consistent product experiences across teams.

The Senior Frontend Engineer will build scalable applications, collaborate cross-functionally, contribute to frontend architecture, and mentor team members, driving product solutions in a fast-paced environment.

The Senior Frontend Engineer at Quadrivia will build secure and intuitive interfaces for a clinical AI system while ensuring performance and compliance with healthcare standards.

Build and optimize a high-performance web photo editor using React, TypeScript, and Next.js. Implement responsive interfaces for heavy in-browser image processing, contribute to frontend architecture (Canvas, WebAssembly, multithreading), and ensure top-tier performance and code quality.

Build and ship full-stack features for North, develop autonomous agents that access sensitive enterprise data, productionize state-of-the-art models, write minimal, secure low-resource code, and collaborate with researchers to deploy performant RAG/agentic applications while prioritizing security and user experience.

The Front End Developer will design and implement features, take ownership of projects, and contribute to backend tasks as needed while optimizing performance and scaling UI design.

Build user-facing features with React and TypeScript, implement responsive UIs from Figma, collaborate with design, deploy via continuous deployment, learn Node.js/backend, use AI coding tools, and ship production-ready features while receiving mentorship.

Build and ship performant, polished frontend features using React/TypeScript. Refactor code incrementally, implement smooth animations, contribute to backend Node.js APIs when needed, use AI-assisted tools, own production deployments, and collaborate directly with CTO/CPO on product and design.

Build and optimize user-facing features and reusable React components, translate UI/UX into code, collaborate on tests with QA, document technical decisions, and demo products to stakeholders.

Design and implement high-performance, data-rich frontend features using React and TypeScript. Co-own frontend architecture, component design, and state management. Collaborate with product, design, and backend teams to improve data visualization and user diagnostics. Ship production code quickly, leverage AI tools to accelerate development, and mentor engineers while promoting frontend best practices and testing.

Develop and maintain frontend components across multiple open-source ecosystem projects. Perform code reviews, collaborate with design and product teams, improve frontend architecture, address user issues, and prepare tasks for community contributors.

Frontend-focused product engineer building high-quality SaaS user experiences. Work in cross-functional squads to own UI, interaction patterns, performance, accessibility, prototyping, instrumentation, and feature rollouts. Primary frontend work with openness to backend or mobile tasks, using AI-assisted coding and agile practices.

Design and implement complex customer-facing frontend features using TypeScript and React. Provide technical leadership, mentor junior engineers, drive frontend architecture and best practices, improve performance and accessibility, partner with product/design, integrate with backend APIs, and manage technical debt and scalability.

Design and implement user-facing features and UI/UX for Restream web services using modern frontend tech. Collaborate with designers and engineers, maintain code quality via reviews, improve reliability and deployment workflows, and evaluate emerging technologies to scale the product.

Build and maintain user-facing features and interfaces for Restream web services. Design and implement UI and business logic, collaborate with product designers and engineers, perform code reviews, improve reliability and scalability, and evaluate emerging technologies.

Own frontend implementation for enterprise Magento/Adobe Commerce storefronts using Hyva and modern frontend technologies. Build responsive, pixel-perfect UIs from Figma, optimize performance and accessibility, integrate with REST/GraphQL, and collaborate with backend engineers and designers from estimation through deployment.

Lead development of Magento 2 storefronts (custom themes, Hyva, headless/PWA), drive frontend architecture and best practices, optimize performance and accessibility, integrate with REST/GraphQL APIs, mentor engineers, and collaborate with backend, DevOps, and design teams.

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.

Design, implement, and maintain frontend and mobile applications for Trading API customers. Own high-visibility features end-to-end, ensure performance, responsiveness, accessibility, and mentor peers while collaborating with cross-functional teams.

The Software Engineer will join the Frontend team to improve and maintain software tools, develop user interfaces, and collaborate with team members on coding standards and new features.

The Frontend Engineer will design, develop, and test front-end applications, ensuring functionality and performance, while collaborating with the technical team.

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.

The Frontend Web Developer will create visually engaging web applications, collaborate with designers and backend developers, and optimize performance for a superior user experience.

The Cloud Frontend Engineer at Signaloid will implement new front-end features, enhance testing infrastructure, and improve platform performance, collaborating with engineering and design teams.

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