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.