At The Flex, we believe renting a home should be as simple as booking a ride. ¿Powered by , our proprietary technology platform, we are building the operating system for modern renting—automating operations, connecting systems, and creating seamless experiences for guests, landlords, and operators worldwide. We're looking for a Full‑Stack Product Engineer who thrives at the intersection of product, engineering, and execution. What You'll Do Build Products End‑to‑End — Take ideas from concept to production by designing, building, testing, and launching features that create measurable business impact. Own Customer Problems — Work directly with founders and operational teams to understand challenges and transform them into elegant software solutions. Connect External Systems — Build integrations with platforms such as Airbnb, Stripe, Hostaway, Twilio, Google, and OpenAI. Tech Stack Python FastAPI React TypeScript Supabase PostgreSQL AWS OpenAI APIs Stripe Twilio GitHub Actions You don't need experience with every technology listed above,



but you should be capable of learning quickly and adapting. What We're Looking For Must-Have Strong full‑stack development experience Experience building production‑grade web applications Strong understanding of APIs and databases Product mindset and user‑centric thinking Ability to work independently and take ownership Strong problem‑solving skills Excellent written communication Nice‑to‑Have Experience with FastAPI Experience with React and TypeScript Experience with AI tools or LLM integrations Startup experience PropTech, marketplace, or SaaS experience What Success Looks Like Within Your First Year You've launched multiple high‑impact features Manual operational processes have been automated Product development cycles are significantly faster AI‑powered workflows have been deployed across the business has become a stronger competitive advantage for The Flex Why Join The Flex Massive Ownership — You'll have direct influence over pr

📌 Full-Stack Product Engineer (España)
🏢 The Flex
📍 España