Full-Stack Engineer (Web & APIs)

At The Flex , we believe renting a home should feel instant, intelligent, and effortless — as seamless as booking a ride. Our ambition is bold: enabling anyone to live anywhere, anytime, without friction. Powered by Base360.ai , our proprietary automation engine, we are building the operating system for modern renting — connecting property data, orchestrating operations, and enabling seamless stays across continents. If you're energized by web platforms, API-driven systems, automation, and real-world scale, this is your opportunity to shape how millions of people move, live, and experience the world. What You'll Build As a Full-Stack Engineer (Web & APIs) , you will design, build, and scale the core web applications and APIs behind The Flex platform—powering instant bookings, intelligent access, automated workflows, and predictive operations. You will work end-to-end across frontend interfaces, backend services, and cloud infrastructure , turning complex operational challenges into clean, scalable, API-first systems. You won't just ship features. You'll create leverage, unlock automation, and architect the foundation of an intelligent, global rental ecosystem. Your Mission Build the Platform — Develop fast, reliable, and scalable web applications and APIs that power bookings, payments, availability, and guest experiences. Design API-First Systems — Architect robust, well-documented APIs that connect Base360.ai to internal tools and external partners. Automate at Scale — Build event-driven services and automated workflows that eliminate manual operations across the business. Connect the Ecosystem — Deliver high-impact integrations with partners such as Airbnb, Stripe, Hostaway, and Twilio. Deploy with Confidence — Ship and maintain serverless infrastructure on AWS, optimized for speed, resilience, and global scale. Solve Real Problems — Tackle real-time booking synchronization, pricing intelligence, keyless access logic, AI-powered alerts, and live operational dashboards. Build With Purpose — Collaborate closely with product, data, and operations teams to turn ideas into measurable, real-world impact. You're a Great Fit If You Have Strong experience with Node.js, React, and AWS (serverless) A solid understanding of API-first architectures and distributed systems Experience with Python / FastAPI for automation or data services (bonus) A proven ability to build clean, scalable, production-ready web and API systems Curiosity about automation, AI-driven operations, and property technology A strong execution mindset — you ship fast, learn quickly, and enjoy solving complex problems Why You'll Love Working Here Real-World Impact — Your work will power thousands of stays and help redefine a multi-trillion-pound industry. Small Team, Big Ownership — Minimal bureaucracy, high trust, and the chance to build foundational systems from day one. Rapid Growth — Fast iteration, continuous learning, and a culture that values technical excellence. Performance-Based Rewards — Competitive compensation with meaningful upside for exceptional contributors. Remote-First — Work from anywhere — we measure 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 your standard You're not committed to becoming elite in your craft J-18808-Ljbffr