Backend Developer

OverviewRebuild the backbone of modern renting. At The Flex, we believe renting a home should be instant, intelligent, and seamless — as easy as tapping a button. Our ambition is bold: create a world where anyone can live anywhere without friction. Powered by Base360.ai, our automation and intelligence platform, we’re building the operating system for global stays — syncing property data, orchestrating operations, and powering the infrastructure behind every effortless guest experience. We're hiring a Backend Engineer who loves building automation, scaling systems, and solving real-world problems with clean, resilient software. What You'll BuildAs a Backend Engineer, you’ll architect the foundations of The Flex: the systems, APIs, and automation layers that coordinate global inventory, sync bookings in real time, and enable properties to operate autonomously. Your work will blend digital automation with real-world logistics — enabling thousands of stays to run smoothly without manual intervention. Your MissionBuild the Core — Design and scale robust APIs and backend services that manage bookings, payments, availability, and property intelligence. Automate the Workflows — Develop serverless functions and microservices that eliminate repetitive tasks and streamline operations across cities and continents. Connect the Ecosystem — Implement integrations between Base360.ai and major platforms such as Airbnb, Stripe, Twilio, and Hostaway. Engineer for Scale — Architect event-driven systems and data pipelines capable of handling millions of events and transactions reliably. Power Intelligence — Work with AI and data teams to embed smart automation and predictive logic into operational flows. Collaborate Closely — Partner with product, front-end, and operations teams to translate messy real-world challenges into simple, scalable backend solutions. You’ll Excel in This Role If You HaveExpertise with Node.js, Python/FastAPI, and AWS serverless. Strong experience building and scaling API-first products. A deep understanding of databases, synchronization logic, and distributed systems. A passion for automation, intelligent operations, and emerging PropTech. A systems-level mindset — you think in terms of resilience, reliability, and flow. A strong bias toward execution and ownership. Why You’ll Love Working HereMeaningful Impact — Your systems will become the automation engine of thousands of stays across multiple countries. High Ownership — Small team, no bureaucracy, and the opportunity to influence core architectural decisions. Speed & Autonomy — Move fast, ship often, and help define the future of our technical ecosystem. Performance-Based Rewards — Competitive salary + meaningful equity opportunities for top performers. Fully Remote — Work from anywhere. What matters is excellence, not timesheets. This Role Is Not for You IfYou want slow, predictable routines. You prefer planning meetings over shipping code. You’re content writing average software. You’re not committed to becoming world-class in your craft. #J-18808-Ljbffr