Software Development Engineer II (Frontend)

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About the role

Every SIXT booking ends here. The Orange Checkout team owns the final, most critical step of the customer journey — the moment a browsing session turns into revenue. You'll be working on a product that's constantly evolving — one week you're optimizing conversion on a new payment flow, the next you're rebuilding a step to support a market launch. If you like solving problems where the ground keeps shifting under you (in a good way), this is that kind of team. YOUR ROLE AT SIXT • You turn ambiguous product problems into clear, testable specifications that agents can execute against • You run end-to-end agent workflows to build features, then review the resulting change as a whole: correctness, consistency with our architecture, and drift, rather than line by line • You own what your agents ship to production: debug to root cause, and encode prevention (a test, a rule, an agent constraint) so the same issue is caught automatically next time • You ship small-to-medium features end-to-end with minimal guidance, including deployment • You build production-quality, reusable React components and integrate reliably with backend and third-party systems • You challenge unclear requirements, weigh business and user trade-offs, and communicate decisions and risks clearly to product and engineering partners YOUR SKILLS MATTER • You hold a Bachelor's or Master's degree in Computer Science or a related field • You bring 3–6 years of frontend software engineering experience • You have strong React.js, Redux and framework-based JavaScript skills: component contracts, state management, and rendering/performance behavior. This depth is non-negotiable, as it's what lets you review and trust agent output • You are proficient with HTML, CSS, JSON, build tools, Git, and confident debugging in Chrome DevTools • You actively use AI coding assistants such as Claude or Cursor to accelerate your development, while applying sound engineering judgment to validate, review, and own the output • You work well with product, design, and engineering stakeholders WHAT WE OFFER • Grow Further, Go Further  Advance your skills and unlock your potential with our Education Assistance Program • Balance Your Career  Benefit from a hybrid work environment complemented by flexible working hours • Fuel Your Day  Great work deserves great fuel. Enjoy meal benefits that keep you energized and ready to bring your A-game • Your Wellness Matters  We're committed to your well-being through comprehensive insurance, wellness programs, health checkups, and fitness benefits • Recognition That Counts  We create a culture of appreciation, rewarding your impact through referral incentives and loyalty perks as you advance with us • Growing Families, Growing Joy  As your family grows, we're here to celebrate with a special newborn gift for your little one About us: We are a globally leading mobility service provider with a revenue of €4.3 billion and around 9,000 employees worldwide. Our mobility platform ONE combines our products SIXT rent (car rental), SIXT share (car sharing), SIXT ride (taxi, ride, and chauffeur services), and SIXT+ (car subscription), giving our customers access to our fleet of 360,000 vehicles, the services of 4,000 cooperation partners, and around 5 million drivers worldwide. Together with our franchise partners, we are present in more than 100 countries at 2,000 rental stations. At SIXT, top-tier customer experience and outstanding customer service are our highest priorities. We believe in true entrepreneurship and long-term stability and align our corporate strategy with foresight. Get started with us and apply now!

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