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Full-Stack Software Engineer at The Flex. Remote Location: Paris. Join the team redefining the future of global living.. At . The Flex. , we believe renting a home should feel instant, intelligent, and effortless — the same simplicity as booking a ride.. Our ambition is bold: a world where anyone can live anywhere, anytime, without friction.. Powered by . Base360.ai. , our proprietary automation engine, we’re building the operating system for modern renting — connecting property data, orchestrating operations, and enabling seamless stays across continents.. If you’re energized by automation, AI, and large-scale real-world systems, this is your chance to help shape how millions move, live, and experience the world.. 💡 . What You’ll Build. As a . Full-Stack Software Engineer. , you’ll design and scale the core technology behind The Flex — powering instant bookings, intelligent access, automated workflows, and predictive operations.. You’ll work across frontend, backend, and cloud infrastructure, transforming complex operational challenges into elegant, scalable systems.. You won’t just ship features.. You’ll . create leverage. , unlock automation, and architect the foundation of tomorrow’s intelligent rental ecosystem.. ⚙️ . Your Mission. Build the Engine. Develop fast, reliable, and scalable applications that power bookings, payments, availability, and guest experience.. Automate at Scale. Design microservices and AI-driven workflows that replace manual tasks across the business.. Connect the Ecosystem. Architect high-impact integrations between . Base360.ai. and partners such as Airbnb, Stripe, Hostaway, and Twilio.. Launch & Iterate Fast. Deploy and manage serverless infrastructure (AWS) with a relentless focus on speed, reliability, and global scale.. Solve Hard Problems. Tackle real-time booking sync, pricing intelligence, keyless access logic, AI-powered alerts, and live operational dashboards.. Build With the Team. Collaborate closely with product, data, and operations to turn automation ideas into real-world impact.. 🧠 . You’re a Great Fit If You Have. Strong experience with . Node.js, React, and AWS (serverless). A deep understanding of . API-first architectures. and distributed systems. Experience with . Python/FastAPI. for scripting, automation, or data services (bonus). A track record of building . clean, scalable, production-ready. systems. Curiosity about automation, AI-driven operations, and property technology. A bias toward execution — you ship fast, learn quickly, and enjoy solving complex problems. 🌍 . Why You’ll Love Working Here. Build Real Impact. Your code will shape thousands of stays and redefine a multi-trillion-dollar industry.. Small Team, Big Mission. High ownership, zero bureaucracy, and the chance to build foundational systems from scratch.. Learning & Growth. We move fast, iterate constantly, and value continuous improvement.. Performance-Based Rewards. Competitive compensation + meaningful upside for exceptional talent.. Remote-First. Work from anywhere — we care about outcomes, not hours.. 🚫 . This Role Is Not for You If. You want a slow, predictable 9–5. You prefer planning over building. “Good enough” is good enough. You’re not committed to becoming elite in your craft. #LI-Remote