We are looking for a highly-skilled Senior Frontend Engineer to join one of our development teams. In this role, you will be responsible for developing and implementing user interface components using React.js with technologies such as TypeScript, GraphQL, Jest, Cypress, and Vite, as we build the future of AI-powered digital advertising. You will also be responsible for testing, profiling, and improving front-end performance and documenting our front-end codebase, and mentoring your team-mates, planning tasks, and estimating workloads.

To ensure success as a senior frontend engineer, you should have in-depth knowledge of React concepts, excellent front-end coding skills, and a great understanding of progressive web applications. Ultimately, a top-class Senior Frontend Engineer should be able to design, plan, and build modern user interface components to enhance application performance and coach other team-mates to achieve the same. Proven expert knowledge of TypeScript, JavaScript, CSS, HTML, and front-end languages Quality-focused mindset and deep passion for user experience and user interfaces Great knowledge of common frontend tools including React.js, Vite, Jest, and Cypress.js Great experience with browser-based debugging and performance testing software Excellent familiarity with git, npm, docker,



and Jira Good project management skills Identifying web-based user interactions Developing and implementing highly responsive user interface components using React concepts Writing application interface codes using TypeScript following React.js workflows Troubleshooting interface software and debugging application codes Developing and implementing front-end architecture to support user interface concepts Provide automated unit, e2e, and visual regression tests Monitoring and improving front-end performance BENEFITS Factor Eleven's tech department is an in-house tech start-up/scale-up and responsible for our SaaS product suite offering localized digital advertising to enterprises of all sizes and shapes.

We're fulfilling our ambitions as a top ad-tech provider by continuously leveling up the quality and expanding capabilities of the entire platform, as well as our engineering and product organization. Join our amazing team in our mission to move digital localized advertisement forward and enjoy the freedom, camaraderie, and perks of our fully remote operations. 100%-remote within Europe Versátil work-hours and part-time models Be part of a fast-growing, highly-skilled Team Relocation and visa support Home office, co-working space, and work-together allowance Personal and professional development fund

📌 Remote Frontend Developer (React) (Barcelona)
🏢 F11
📍 Barcelona