The Flex
Technology
FoundingSoftwareEngineer
Neural analysis suggests this role is
optimal for Mid+ candidates.
“Founding Software Engineer at The Flex. Skills: Software architecture, AI development, System automation. Design software. Build software”
What You'll Achieve.
Automate critical company operations; Make platform competitive advantage; Ship new products rapidly; Ship new products reliably; Increase engineering velocity; Embed AI workflows; Prepare platform for international scale
Industry & Context.
Solve real problems; Reservation synchronization; Dynamic pricing; Smart access management; Guest communication automation; Operational forecasting; Maintenance automation; Cleaning automation; AI-powered alerts; AI-powered monitoring; Revenue optimization
What They're Looking For.
Must Have
Software engineering fundamentals, Experience building production-grade applications, Understanding of APIs, Understanding of databases, Understanding of system design, Product mindset, Customer obsession, Ability to work independently, Problem-solving ability, High level of ownership, High level of accountability
Nice to Have
Startup experience, Experience with AI products, Experience with LLM integrations, Experience building SaaS products, FastAPI experience, React experience, AWS experience, Supabase experience, Marketplace experience, Travel experience, PropTech experience
What You'll Do.
Make technical decisions
Define platform architecture
Develop automation workflows
Develop automation systems
Maintain integrations
Operate with ownership
Turn ideas into solutions
How You'll Work.
Team & Collaboration
Work with founder; Cross-functional teams
Full Job Description
At The Flex, we believe renting a home should be as effortless as booking a ride. Our mission is ambitious: enable anyone to live anywhere, anytime, without friction. Powered by Base360.ai http://Base360.ai, our proprietary technology platform, we are building the operating system for modern renting—automating operations, connecting fragmented systems, and creating seamless experiences for guests, landlords, and operators across the world. We're looking for a Founding Software Engineer to help architect and build the technology that powers the future of The Flex. This is not a typical engineering role. You'll work directly with the founder, influence product strategy, make architectural decisions, and build systems that become the foundation of a global business. You'll have extraordinary ownership, responsibility, and impact from day one. WHAT YOU'LL BUILD As a Founding Software Engineer, you'll help create and scale Base360.ai http://Base360.ai—the technology platform that powers every aspect of The Flex. From AI-powered workflows and booking systems to operational automation and intelligent decision-making, you'll build products that directly impact revenue, efficiency, and customer experience. You won't just ship features. You'll create systems that replace manual work, unlock scale, and become a competitive advantage for the company. YOUR MISSION BUILD CORE PRODUCTS Design, build, and launch the software that powers bookings, pricing, payments, operations, communications, and guest experiences. ARCHITECT THE PLATFORM Make key technical decisions and help define the long-term architecture of Base360.ai http://Base360.ai. CREATE AUTOMATION AT SCALE Develop workflows and systems that automate operational processes across multiple countries and thousands of stays. LEVERAGE AI Build AI-powered tools, agents, and workflows that improve productivity, decision-making, and customer experience. INTEGRATE THE ECOSYSTEM Develop and maintain integrations with platforms incl
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