Product-Focused Full Stack Engineer

Join to apply for the Product-Focused Full Stack Engineer role at The Flex Join the mission transforming how the world lives and moves. At The Flex, we believe renting a home should be instant, intelligent, and effortless — as seamless as tapping a button. Our vision: a world where anyone can live anywhere, without friction or borders. Powered by Base360.ai, our proprietary automation platform, we’re building the operating system for modern rentals — linking property data, orchestrating operations, and powering the intelligent systems behind every stay, in every city. We’re looking for a Product-Focused Full Stack Engineer who loves building automation at scale — someone energized by the intersection of systems, AI, and real-world impact. If elegant engineering and meaningful product impact drive you, this is your opportunity to help reshape global living. What You’ll Build You’ll work at the core of the Base360.ai platform — designing and scaling the systems behind instant bookings, automated logistics, smart access, and predictive operations. You’ll convert real-world operational chaos into clean, automated, production-grade software that powers thousands of stays across borders. Your work will directly influence how people live, move, and experience true flexibility worldwide. Your Mission Build Core Platform Services – Design fast, reliable APIs and backend workflows that power global bookings, payments, and end-to-end operations. Automate the Everyday – Craft serverless systems, microservices, and automation pipelines that remove repetitive tasks and enable fully automated stays through Base360.ai. Connect the Ecosystem – Integrate Base360.ai with platforms like Airbnb, Stripe, Hostaway, and Twilio — creating a unified automation layer. Engineer for Global Scale – Build fault-tolerant, event-driven systems processing millions of real-time events across cities and countries. Collaborate Across Disciplines – Work with product, data, and operations teams to turn automation ideas into real-world impact, from concept → code → live execution. Ship Fast, Improve Faster – Prototype, iterate, measure, and scale — optimizing for learning and impact above all. You’re a Great Fit If You Have Experience with Node.js, React, or Python (FastAPI) Familiarity with AWS, especially serverless architectures Strong understanding of API-driven development, microservices, or distributed systems A passion for automation, AI-driven workflows, and real-world system design A builder’s mindset — pragmatic, fast, clean, and impact-oriented A bias toward action — you solve problems by shipping, not discussing Why You’ll Love Working Here Real Influence – Your code will automate complex operations and power thousands of stays worldwide through Base360.ai. A Global Vision, A Small Team – High ownership, zero bureaucracy, and the opportunity to build foundational, industry-defining systems. Autonomy & Creativity – Freedom to experiment, move fast, and shape the technical direction of the Base360 platform. Performance-Based Rewards – Competitive compensation and meaningful upside for exceptional contributors. Remote-First Culture – Work from anywhere. We optimize for outcomes, not hours. This Role Is Not for You If You need routine more than progress You prefer planning over building “Good enough” is good enough You’re not driven to become world-class in your craft Seniority Level Entry level Employment type Full-time Job function Engineering and Information Technology Referrals increase your chances of interviewing at The Flex by 2x Get notified about new Full Stack Engineer jobs in Paris, Île-de-France, France. #J-18808-Ljbffr