.YOUR MISSIONWe 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 Webpack.You will also be responsible for testing, profiling, and improving front-end performance, documenting our front-end codebase, mentoring your teammates, planning tasks, and estimating workloads.You'll be working within a cross-disciplinary team under a Product Owner to contribute to our multi-tenant SaaS product.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 teammates to achieve the same.YOUR PROFILE6+ years of professional experience in a similar position.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, Webpack, Jest, and Cypress.Js.Great experience with browser-based debugging and performance testing software.Excellent familiarity with git, npm, Docker, and Jira.Great troubleshooting skills.Good project management skills.Extensive experience in mentoring teammates in a respectful, empathic manner.YOUR RESPONSIBILITIESMeeting with the development team to discuss user interface ideas and applications.Reviewing application requirements and interface designs.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.Providing automated unit, e2e, and visual regression tests.Monitoring and improving front-end performance.Documenting application changes and developing updates.Participating in code and technical design reviews.Writing and reviewing tasks and estimating workloads for yourself and others.Providing mentorship to team members.WHY US?Factor Eleven's tech department is an in-house tech start-up/scale-up responsible for our SaaS product suite offering localized digital advertising to enterprises of all sizes and shapes.We're powering the engine that Factor Eleven is successfully built upon and elevating the possibilities of our product on a daily basis