Full Stack Software Engineer

Join or sign in to find your next job Join to apply for the Full Stack Software Engineer role at The Flex Join the team that’s reinventing how the world rents. At The Flex , we believe renting a home should feel as effortless as ordering an Uber. Our mission is bold — to 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 an intelligent layer that powers every stay, everywhere. If you’re an engineer who thrives at the intersection of automation, AI, and real-world impact , this is your opportunity to help redefine how millions live and move. What You’ll Build As a Full Stack Engineer , you’ll architect and scale the systems that power The Flex — from frictionless guest journeys to automated check-ins, cleaning logistics, and predictive pricing . You’ll work across the stack and across borders, turning complex real estate challenges into clean, elegant, and scalable code. You won’t just ship features — you’ll engineer efficiency , eliminate bottlenecks, and shape the backbone of the future of intelligent rental operations. ⚙️ Your Mission Build the Core – Develop scalable, high-performance web applications that power bookings, payments, and automation workflows. Automate Everything – Design AI-driven scripts and microservices to remove repetitive operational tasks. Integrate Intelligently – Build and optimize APIs connecting Base360.ai with platforms like Airbnb, Stripe, and Twilio. Ship Fast, Scale Smart – Manage cloud infrastructure (AWS, serverless) and ensure rapid, reliable deployments. Solve Problems That Matter – Tackle challenges like global booking synchronization, predictive pricing, and live operational alerts. Collaborate Deeply – Partner with product, operations, and data teams to bring automation from code to the real world. You’re a Great Fit If You Have Strong experience with Node.js, React, and AWS (serverless stack preferred). Expertise in designing and scaling API-first architectures. Familiarity with FastAPI/Python for automation and data pipelines (a plus). A passion for clean, efficient, and production-grade systems. Curiosity for automation, real estate tech, and AI-driven operations. A bias for action, and the drive to build fast and learn faster. Why You’ll Love It Here Real impact – Your code will power thousands of stays and disrupt a $4T industry. Global mission, lean team – No silos. No politics. Just high performers shipping fast. Growth mindset – We iterate quickly, embrace failure, and scale what works. Performance-driven rewards – Competitive pay + meaningful upside for top contributors. Remote-first culture – Work from anywhere. Results > hours. Do Not Apply If You’re looking for a safe, slow 9–5. You prefer talking over doing. You’re comfortable being average. You’re not aiming to be among the top 1% in your craft. Seniority level Mid-Senior 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 Montenegro, Rio Grande do Sul, Brazil . Related roles Software Engineer Iii, Fullstack, Quickpack (Remote) Software Engineer, iOS Core Product - Europe Software Engineer - Integrations, Crawler Senior Software Engineer, AI Model serving (Europe) Senior Full Stack Frontend Engineer (React + PHP) Software Engineer, Data Infrastructure & Acquisition - Europe Software Engineer – Reinventing How the World Rents We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr