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