88 frontend developer English-speaking jobs in Catalonia

We are seeking a talented and motivated Fullstack Developer with strong experience in Java (Spring Boot ... ).Build RESTful APIs and integrate with frontend applications.Develop and optimize SQL queries, design ... SQL Server.Proficiency in developing RESTful web services and integrating APIs.Solid understanding of frontend ... applications.ResponsibilitiesDesign, develop, and maintain full-stack web applications using Java Spring Boot (backend) and Angular (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

Experience with Apollo is a plus.Background in using NodeJS to complement frontend tasks and facilitate

You will be the main developer responsible for the backend service, with a strong focus on performance ... While backend expertise is essential, you should also have solid experience in modern frontend development ... improvements.Proactively propose and implement enhancements on both backend and frontend.Ensure backend and frontend

Frontend: Strong proficiency in React and TypeScript. ... Full Stack Developer Company: Spoki Location: Barcelona, Spain We require on-site presence at our San ... Key responsibilities Frontend Development: Design and implement responsive, intuitive user interfaces

Developer experienced in Angular to join our digital development team. ... a team of more than 20,000 passionate professionals driving digital change.We’re now looking for a Frontend

At Palatin, we're hiring for a Frontend Engineer (React). ... work model) Contract: Permanent, full-time Salary: Up to €65K depending on experience As part of the frontend ... Strong understanding of modern frontend architecture and testing skills with Jest, React Testing Library

good fit for the role:Key ResponsibilitiesLead the design, architecture, and implementation of the frontend ... , and product managers to deliver a seamless and high-quality user experience.Establish and enforce frontend ... supporting growth and ensuring alignment with architectural decisions.Take ownership of the entire frontend ... scalable UI systems, including component libraries and design systems.Provide technical mentorship to frontend ... applications.Familiarity with accessibility automation tools and frontend testing frameworks.Understanding

within the logistics or industrial automation sector.Good experience/knowledge:In collaboration with developer ... / development structures.In software architecture (different frameworks, frontend, backend, cloud computing ... Net, SQL Server, MySQL, PostGres or other similar database; GitLab/Hub/JIRA and similar DevOps tools, frontend

As a Founding Engineer on the team, you will be responsible for building a sleek frontend user experience ... Responsibilities Design, prototype, implement and own product features end-to-end Build and own the frontend ... Experience with building responsive web applications and scalable backend services Comfortable managing frontend ... experience working with React/NextJS/TypeScript/NodeJS Very comfortable working across the stack (primarily frontend

+ backend)Deep knowledge of frontend frameworks / libraries (e.g. ... business.Key Responsibilities:Design, implement, test, and maintain features end-to-end, from UI / frontend ... of hands-on software engineering experienceStrong experience building full-stack web applications (frontend ... Summary:You will be a core member of the engineering team, contributing hands-on across the full stack (frontend

SAP ABAP HCM Developer with integration capabilities to support a major transformation project in SAP ... SPAIN Position: SAP ABAP HCM Developer Location: Barcelona Role Overview: We are looking for an experienced

Develop backend services (Go lang) and contribute to frontend features in Vue.

Experience building with Terraform Developer tooling, CLIs, SDKs, or API design. ... Improve and extend BrowserQL, designing intuitive developer-facing APIs and behaviors. ... Improve performance, reliability, and developer experience across our scraping and automation stack.

collaboration with QA engineers and cross-functional stakeholdersCore skills/experience6+ years in frontend ... quality through unit testing, code reviews, and adherence to best practicesIdentify and troubleshoot frontend

We're Hiring: Python Developer (AWS). ... We are seeking a skilled Python Developer to join our team and help design, develop, and maintain robust

visualization and algorithms.Working across the full stack, from powerful backend logic in C++ to intuitive frontend ... professional software development experience with C++.Full-Stack Skills: Proven experience in both backend and frontend

Requirements Strong developer + communicator. Python/Node.js/WebRTC/WebSockets. ... Our founding team comes from the core of AI and developer tooling in the USA, with experience scaling

We're hiring: React Native Developer (Expo) @ Dopelist On-site in Barcelona | Full-time About Dopelist ... About the Role We're looking for a strong React Native developer to help us build and evolve the

Who we are? Quantion is a Business Digital Transformation services company founded in 2015 and part of the Astek Group group operating in more than 25 countries with over 10,000 employees worldwide. Our team is specialized in application development, UX/UI, and digital business transformation, focused on building innovative solutions that drive measurable business results.