ppAt The Flex, we believe renting a home should be as simple as booking a ride. /p pOur mission is to enable anyone to live anywhere, anytime, without friction. /p pPowered by Base360.ai, 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. /p pWe're looking for a Full‑Stack Product Engineer who thrives at the intersection of product, engineering, and execution. /p pThis isn't a role where you'll simply implement tickets. /p pYou'll identify problems, design solutions, build products, automate workflows, and help shape the future of the platform. /p h3What You'll Do /h3 ul libBuild Products End‑to‑End /b — Take ideas from concept to production by designing, building, testing, and launching features that create measurable business impact. /li libOwn Customer Problems /b — Work directly with founders and operational teams to understand challenges and transform them into elegant software solutions. /li libMove Fast /b — Ship quickly, gather feedback, iterate, and continuously improve products based on real‑world usage. /li libCreate Automation /b — Design systems that eliminate manual work and allow the company to scale efficiently. /li libBuild Internal Tools /b — Develop operational dashboards, workflow engines, management platforms, and AI‑powered tools used across the business. /li libConnect External Systems /b — Build integrations with platforms such as Airbnb, Stripe, Hostaway, Twilio, Google, and OpenAI. /li libLeverage AI /b — Implement AI‑powered features and workflows that improve productivity, decision‑making, and customer experience. /li libScale the Platform /b — Ensure systems remain reliable, secure, and scalable as the business grows internationally.



/li /ul h3Tech Stack /h3 ul liPython /li liFastAPI /li liReact /li liTypeScript /li liSupabase /li liPostgreSQL /li liAWS /li liOpenAI APIs /li liStripe /li liTwilio /li liGitHub Actions /li /ul pYou don't need experience with every technology listed above, but you should be capable of learning quickly and adapting. /p h3What We're Looking For /h3 h3Must-Have /h3 ul liStrong full‑stack development experience /li liExperience building production‑grade web applications /li liStrong understanding of APIs and databases /li liProduct mindset and user‑centric thinking /li liAbility to work independently and take ownership /li liStrong problem‑solving skills /li liExcellent written communication /li /ul h3Nice‑to‑Have /h3 ul liExperience with FastAPI /li liExperience with React and TypeScript /li liExperience with AI tools or LLM integrations /li liStartup experience /li liPropTech, marketplace, or SaaS experience /li /ul h3What Success Looks Like /h3 h3Within Your First Year /h3 ul liYou've launched multiple high‑impact features /li liManual operational processes have been automated /li liProduct development cycles are significantly faster /liliAI‑powered workflows have been deployed across the business /li liBase360.ai has become a stronger competitive advantage for The Flex /li /ul h3Why Join The Flex /h3 ul liMassive Ownership — You'll have direct influence over product decisions, architecture, and company strategy. /li liBuild Real Products — Your work will impact thousands of users and properties across multiple countries. /li liLearn at Startup Speed — You'll work closely with founders and gain exposure to engineering, product, operations, AI, and business. /li liRemote‑First — Work from anywhere. /li liHigh Growth Environment — We're building quickly and looking for people who want to grow alongside the company. /li /ul h3This Role Is Not For You If /h3 ul liYou prefer highly structured corporate environments /li liYou only want to write code from predefined specifications /li liYou avoid ownership outside your immediate responsibilities /li liYou are uncomfortable moving quickly and adapting to change /li /ul pIf you love building products, solving real‑world problems, and creating systems that scale, we'd love to hear from you. /p /p #J-18808-Ljbffr

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