> Markdown version of [/jobs/ext/1357203-react-engineer](https://www.wearedevelopers.com/jobs/ext/1357203-react-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # React Engineer - **Company:** Air Apps - **Location:** Barcelona, Spain - **Salary:** €56,000.0 - €70,000.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, JavaScript (Programming Language), Application Programming Interfaces (APIs), HTML5, Cascading Style Sheets (CSS), Code Review, Continuous Integration, Design of User Interfaces, Performance Tuning, E2e Testing, Responsive Web Design, Data Streaming, Web Content Accessibility Guidelines, Web Applications, Web Application Frameworks, Website Wireframe, ReactJS, Rollup, Delivery Pipeline, Cypress (Programming Language), Backend, Git, Vue.js, Webpack, AngularJS, Information Technology, Graphql, Front End Software Development, Restful APIs, Es2015, Software Version Control - **Published:** July 20, 2026 - **Apply:** https://www.adzuna.es/contact-us.html ## About the Role + Education & Experience: Bachelor's degree in Computer Science or related field, around 3+ years of experience in front-end development. + Core Skills: Strong proficiency in JavaScript (ES6+), HTML5, CSS3, and experience with one or more modern web frameworks (React, Vue, or Angular). + Tooling & Workflow: Familiarity with front-end build pipelines (Webpack, Rollup), version control (Git), and CI/CD practices. ## Description As a React Engineer, you will focus on building responsive and accessible user interfaces for our web applications. You will collaborate closely with designers, product managers, and backend engineers to translate wireframes and prototypes into elegant, stable, and scalable front-end experiences that delight our users. Please note that this post serves the purpose of enhancing our talent pool while we prepare to launch the official job. As soon as it gets posted we will get in touch with you. + This is a fully onsite position, based at our office in Lisbon, where you will collaborate closely with cross-functional teams in person and contribute to a dynamic and fast-paced environment. We are open to support with relocation efforts., + UI/UX Implementation: Implement high-quality, responsive user interfaces following design specifications, ensuring compatibility across multiple browsers and devices. + Frontend Technologies: Develop and maintain code using modern JavaScript frameworks and libraries (e.g., React, Vue.js, Angular), as well as HTML5, CSS3, and responsive design principles. + Performance Optimization: Continuously improve page load times, rendering performance, and overall user experience. + Integration with APIs: Collaborate with backend teams to integrate with RESTful/GraphQL APIs and ensure smooth data flow between client and server. + Accessibility and SEO: Follow best practices for accessibility (WCAG standards) and search engine optimization. + Testing & Maintenance: Write unit, integration, and end-to-end tests (e.g., Jest, Cypress) to maintain high-quality code, and participate in code reviews. ## Related Videos - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [Justice for All! Diving into JsTz, a Native JavaScript Environment for Web3 Development](https://www.wearedevelopers.com/videos/1586-justice-for-all-diving-into-jstz-a-native-javascript-environment-for-web3-development) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Eternal Sunshine of the Zero Build Pipeline](https://www.wearedevelopers.com/videos/279-the-eternal-sunshine-of-the-zero-build-pipeline) ## Related Articles - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers)