Senior Frontend Engineer (m/f/d)

<p>We're looking for a motivated and driven <strong>Senior Frontend Engineer (m/f/d)</strong> to join our FlixTrain Operations Team.</p> <p><strong>About Us: </strong>Our team is dedicated to automating and optimizing FlixTrain's operations. We develop tools that empower internal users to manage the fleet efficiently, reduce manual tasks, and increase productivity. By joining us, you'll be part of a mission-driven team shaping the future of train mobility .</p> <p><strong>About the Role:</strong> Flix already has two tech teams working on FlixTrain Operations Management System, and we are now launching a third: Team Momentum. Train operations require meticulous planning with numerous dependencies across various stakeholders. Team Momentum’s mission will be to design and implement solutions that help operations teams manage train inventory, plan cleaning schedules, and coordinate other essential train services to ensure our trains are always ready for their next ride on time.</p> <p><strong>Why Join Us?</strong> If you are motivated by innovation, passionate about automation, and excited to contribute to a seamless customer experience, we invite you to embark on this journey with us. Together, we’ll make train operations smarter, more efficient, and future-ready.</p> <p><strong>Our Tech Stack:</strong> React, MicroFrontends, Typescript, React-Query, Tanstack Router, Tailwindcss, Cypress, Playwright, React-hook-form, Vitest, DnD-kit, DataDog</p> <h3><strong>Your Tasks – Paint the world green</strong></h3> <ul> <li>Be part of a self-organized, cross-functional distributed team owning set of products and will hence directly contribute to the success of the business</li> <li>Place our users at the center when developing solutions together</li> <li>Drive the development process using an Agile environment</li> <li>Design new products from scratch</li> <li>Work with and learn how to use cutting-edge technologies and tools</li> <li>Lead technical decisions inside and across teams to improve technical excellence through lateral leadership</li> </ul> <h3><strong>Your Profile – Ready to hop on board</strong></h3> <ul> <li>A minimum of 5 years of professional experience in frontend development, with a strong focus on architecture, system design, and creating products from scratch.</li> <li>Profound understanding of JavaScript and its ecosystem (package managers, bundlers, linters, etc.)</li> <li>Extensive knowledge of HTML/CSS</li> <li>You cover your code with tests and have experience with different test runners, e.g. Jest or Vitest, writing ui/e2e tests</li> <li>Experience working in a React ecosystem is required</li> <li>Upper-intermediate level of English or higher</li> </ul> <h3><strong>Our Perks – More than just a job</strong></h3> <ul> <li>You have an impact. <span lang="EN-US"><span>With innovation and smart technology, </span></span><span lang="EN-US"><span>we are</span><span> creating the easiest way to travel. We want your ideas </span></span><span lang="EN-US"><span>and give you autonomy to make them reality.</span></span><span>​</span></li> <li>Flix is flexible. Organize your own schedule with trust-based hours and up to 60 days of working from (m)anywhere. We are an office-first company, and we encourage all employees to come regularly to their local office.</li> <li>Travelling is our passion. <span lang="EN-US"><span>Discover the world with your free </span></span><span lang="EN-US"><span>Flix rides and bring along your friends and family for half </span></span><span lang="EN-US"><span>price.</span></span></li> <li>Teamwork makes the dream work. <span lang="EN-US"><span>Our </span></span><span lang="EN-US"><span>FlixTeam</span></span><span lang="EN-US"><span> has people </span></span><span lang="EN-US"><span>from over 80 different nations. We work in a multicultural </span></span><span lang="EN-US"><span>environment where we can challenge and support each other.</span></span></li> <li>We're not only green in color. <span lang="EN-US"><span>We’re</span><span> building for the long </span></span><span lang="EN-US"><span>term, and that means protecting our planet. We constantly </span></span><span lang="EN-US"><span>test new green technologies and compensate for the CO2 </span></span><span lang="EN-US"><span>after all our business travel since 2018.</span></span></li> <li>Your well-being is important to us. To treat your mind and body we will give you a competitive paid time off package, mental health support including 1:1 consultations with a psychologist, and a neat discount on UrbanSportsClub memberships.</li> </ul> <p><strong>Want to rewrite the history of mobility with us? Then join our ride and apply now. We're excited to hear from you! </strong><strong>We recognize that everyone carries a unique set of valuable skills and experiences. If you think you could have an impact even though you don't meet 100% of the requirements, we still encourage you to apply.</strong></p> <p><strong>Flix – A place to enj