The Flex

Real Estate

Full-StackEngineeringLead

€95–140k ~AI est. Paris, France FULL TIME Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Lead candidates.

The Brief

“Full-Stack Engineering Lead at The Flex. Skills: Full-stack development, System architecture, AI integration, Team leadership. Lead product development. Design products”

What You'll Achieve.

Core systems become more scalable, reliable, and automated; Engineering velocity increases significantly; Technical debt is reduced; AI-powered workflows are deployed; New products are launched rapidly and effectively; Base360.ai becomes a major competitive advantage

Industry & Context.

Real Estate
Problems you'll solve

Problem-solving

What They're Looking For.

Must Have

Full-stack software engineering experience, Experience designing and scaling production systems, Understanding of APIs, databases, cloud infrastructure, and system architecture, Experience leading technical projects from concept to deployment, Ability to balance speed with engineering quality, Ownership mentality and bias toward execution

Nice to Have

Experience leading engineers or technical teams, Startup or scale-up experience, Experience with AI products or LLM integrations, Experience with SaaS, marketplace, travel, or PropTech businesses, Experience with FastAPI, React, AWS, or Supabase

What You'll Do.

Lead product development

Architect scalable systems

Make technical decisions

Establish engineering best practices

Establish code quality standards

Establish development workflows

Establish technical documentation

Provide technical guidance

Build automation at scale

Integrate critical platforms

Maintain integrations

Implement AI-powered workflows

Implement AI-powered tools

Implement AI-powered agents

Collaborate across teams

Translate business challenges

How You'll Work.

Team & Collaboration

Cross-functional teams; Product teams; Engineering teams; AI teams; Operations teams; Revenue teams; Leadership teams

Communication Scope

Problem-solving; Communication

Full Job Description

At The Flex, we believe renting a home should be as effortless as booking a ride. Our mission is to 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 Full-Stack Engineering Lead to help scale both our technology and our engineering culture. This is a hands-on leadership role. You'll spend the majority of your time building products, solving technical challenges, and architecting systems while also helping guide engineering standards, mentoring team members, and shaping the future of the platform. If you're excited about ownership, rapid execution, AI, automation, and building products that have real-world impact, we'd love to meet you. WHAT YOU'LL BUILD As a Full-Stack Engineering Lead, you'll lead the development of Base360.ai http://Base360.ai, the technology platform powering every aspect of The Flex. You'll work across product, engineering, AI, and operations to create scalable systems that automate processes, improve decision-making, and accelerate company growth. You'll be responsible not only for what gets built, but how it's built. YOUR MISSION LEAD PRODUCT DEVELOPMENT Design, build, and launch high-impact products that improve guest experience, operational efficiency, and business performance. ARCHITECT SCALABLE SYSTEMS Make key technical decisions that ensure the platform remains scalable, reliable, and maintainable as the company grows internationally. DRIVE ENGINEERING EXCELLENCE Establish engineering best practices, code quality standards, development workflows, and technical documentation. MENTOR AND SUPPORT ENGINEERS Provide technical guidance, conduct code reviews, and help create a high-performance engineering culture focused on continuous improveme

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