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.