Backend Engineer – Full-time - Remote

Reinvent How The World Rents. At The Flex, we believe renting a home should be as effortless as ordering an Uber. Our mission: make renting borderless, instant, and intelligent. Through Base360.ai, our proprietary platform, we’re building the digital nervous system of the rental world — connecting property data, automating operations, and creating the intelligent infrastructure that powers every stay, everywhere. We’re looking for a Backend Engineer who thrives on automation, scalability, and impact — someone who can turn complex real-world systems into elegant, self-sustaining software. 💡 What You’ll Build As a Backend Engineer, you’ll design and scale the backbone of The Flex — the APIs, automations, and intelligence layers that connect global booking platforms, power predictive insights, and orchestrate real-world logistics. Your work will bridge digital intelligence and physical operations — enabling thousands of seamless stays to happen automatically, without human intervention. ⚙️ Your Mission Architect Core Systems – Build scalable, high-performance APIs and backend services that drive global bookings, payments, and property data synchronization.Automate Operations – Create microservices and serverless functions that remove repetitive manual processes and enhance efficiency.Integrate Intelligently – Connect Base360.ai with platforms like Airbnb, Stripe, Twilio, and Hostaway through robust, maintainable integrations.Design for Scale – Build fault-tolerant, event-driven systems and data pipelines capable of handling millions of transactions across borders.Enhance Intelligence – Collaborate with AI and data teams to embed predictive automation into operational workflows.Collaborate for Impact – Partner with product, operations, and front-end teams to turn complex real-world challenges into clean, scalable backend solutions. 🧠 You’re a Great Fit If You Have Strong experience with Node.js, Python (FastAPI), and AWS (serverless stack preferred).Proven track record designing and scaling API-first architectures.Deep understanding of databases, data synchronization, and event-driven systems.Curiosity for automation, AI, and real estate technology.A systems thinker mindset — you design for resilience, not just function.A bias for action — you thrive in fast-moving, high-accountability environments. 🌍 Why You’ll Love It Here Massive Impact – Your systems will power thousands of stays and automate the backbone of a $4T global industry.Global Mission, Lean Team – No bureaucracy. No silos. Just high performers moving fast.Autonomy & Growth – Own projects end-to-end and shape our technical roadmap.Performance-Driven Rewards – Competitive compensation and meaningful upside for top contributors.Remote-First Culture – Work from anywhere. We care about output, not office hours. 🚫 Do Not Apply If You’re looking for a slow, predictable 9–5.You prefer meetings over momentum.You’re satisfied with average code and average results.You’re not striving to operate in the top 1% of your craft.