--- title: 'Software Engineer at The Flex' canonical: 'https://feeny.ai/job/software-engineer-the-flex-paris-5ek2zg81xebt' type: 'job' last_seen: '2026-09-09' --- # Software Engineer at The Flex - **Company:** The Flex - **Location:** Paris, France - **Employment:** full-time - **Work type:** remote - **Posted:** 2026-06-15 - **Last confirmed live:** 2026-09-09 - **Apply:** https://jobs.ashbyhq.com/the-flex/51693fcc-7a24-4a4c-9c87-84130b72c751 ## Job description At The Flex, we believe renting a home should feel 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 automation platform, we are building the operating system for modern renting—connecting property data, orchestrating operations, automating workflows, and enabling seamless stays across continents. We're looking for a highly ambitious engineer who wants to build systems that create leverage at scale. This isn't a role where you'll spend months debating specifications. You'll build, ship, automate, and solve real-world problems that directly impact thousands of guests and properties. If you're excited by APIs, automation, AI agents, cloud infrastructure, and building products from the ground up, we want to meet you. ## WHAT YOU'LL BUILD As a Founding Software Engineer, you'll help architect and scale Base360.ai http://Base360.ai—the technology platform powering every aspect of The Flex. You'll build internal products, automation engines, AI-powered workflows, integrations, and operational systems that eliminate manual work and allow the business to scale globally. Your work will touch everything from guest journeys and property operations to pricing intelligence and AI-driven decision-making. ## YOUR MISSION ## BUILD THE CORE PLATFORM Design and develop scalable applications, services, and APIs that power bookings, pricing, payments, guest experiences, and operations. ## CREATE POWERFUL AUTOMATIONS Build event-driven workflows that automate tasks previously performed by humans. ## DEVELOP AI-POWERED SYSTEMS Leverage LLMs, AI agents, and machine intelligence to streamline operations, improve decision-making, and enhance customer experiences. ## DESIGN API-FIRST ARCHITECTURE Create robust APIs that enable seamless communication between internal systems, third-party providers, and future products. ## INTEGRATE THE ECOSYSTEM Build and maintain integrations with platforms including Airbnb, Hostaway, Stripe, Twilio, OpenAI, Google, and other strategic partners. ## SCALE INFRASTRUCTURE Deploy and manage cloud-native infrastructure designed for reliability, performance, and global growth. ## SOLVE COMPLEX OPERATIONAL PROBLEMS Build solutions for: - Real-time reservation synchronization - Dynamic pricing intelligence - Smart key management - Automated guest communication - Operational forecasting - Cleaning and maintenance automation - AI-powered monitoring and alerts ## MOVE FAST Own projects end-to-end—from idea to deployment—and continuously improve the systems you build. ## TECH STACK We care more about capability than specific technologies, but our current stack includes: - Python - FastAPI - React - TypeScript - Supabase - PostgreSQL - AWS - Serverless Architecture - OpenAI APIs - Twilio - Stripe - Docker - GitHub Actions YOU MIGHT BE A GREAT FIT IF YOU HAVE - Strong experience building production-grade software systems - Experience with FastAPI, Python, React, or similar frameworks - Strong understanding of APIs, distributed systems, and cloud architecture - Experience designing scalable backend systems - Ability to work independently with minimal supervision - Strong problem-solving ability and product mindset - Curiosity about AI, automation, and operational efficiency - A bias toward action and shipping Bonus points for experience with: - Property technology (PropTech) - Marketplace businesses - AI agents and workflow automation - Event-driven architectures - Supabase - AWS serverless infrastructure ## WHAT SUCCESS LOOKS LIKE Within your first 12 months: - Core operational processes are automated through systems you've built - Manual work across the business is significantly reduced - New integrations are deployed and maintained reliably - AI-powered workflows become part of everyday operations - Base360.ai http://Base360.ai becomes a competitive advantage that enables rapid global scaling ## WHY JOIN THE FLEX ## BUILD SOMETHING MEANINGFUL Your work will directly impact how people live, travel, and experience cities around the world. ## EXTREME OWNERSHIP You'll have the freedom to make decisions and build systems that matter. ## SMALL TEAM, MASSIVE OPPORTUNITY Work closely with founders and have a direct influence on product and technical direction. ## LEARN FASTER You'll solve real-world challenges across software, AI, automation, operations, and scale. ## PERFORMANCE-BASED REWARDS Competitive compensation with substantial upside for exceptional performers. ## REMOTE-FIRST Work from anywhere. We care about outcomes, not hours. ## THIS ROLE IS NOT FOR YOU IF - You're looking for a slow-paced corporate environment - You prefer maintaining systems rather than building them - You need detailed instructions for every task - You avoid ownership and accountability - "Good enough" is your standard We're not looking for someone to fill a position. We're looking for someone to help build the future operating system of modern renting. #LI-Remote ## About The Flex ## Company Overview - **One-liner**: The Flex is a flexible accommodation platform offering hotel-grade, fully furnished rentals for tenants, landlords, and businesses, operating across the UK, France, Algeria, and expanding into new cities. - **Entity Type**: Private (bootstrapped/early-stage growth company) - **Headquarters**: London, United Kingdom (with offices in San Francisco, Dubai, Algiers, and Casablanca) - **Founded**: 2019 - **Founders**: Raouf Yousfi (Co-Founder & CEO) and Michael Buggy (Co-Founder & COO) ## Core Business - **Primary industry**: Real Estate / Flexible Living / Property Management - **Target customers**: B2B (150+ corporate partners for employee relocation, staffing, insurance claims), B2C (tenants seeking flexible leases), and B2B (landlords seeking guaranteed rent with zero voids) - **Mission statement**: To eliminate the constraints of traditional rental models, reimagining the idea of 'home' from something fixed to something flexible—unlocking freedom for renters, efficiency for landlords, and growth for entire cities. ## Products & Services - **Flexible Rentals (Tenants)**: Fully furnished, hotel-grade homes with digital key access, utilities, Wi-Fi, optional housekeeping, and 24/7 live support. Leases as short as a week or as long as needed, with month-to-month terms, easy extensions, and exits. - **Guaranteed Rent (Landlords)**: Fixed monthly payments with zero voids from day one; The Flex handles upgrades, dynamic pricing, resident vetting, cleaning, and maintenance. - **Corporate Housing (B2B)**: One master lease unlocks an entire portfolio across cities; dedicated account manager; ideal for employee relocation, project teams, and insurance claims. ## Market Standing - **Valuation**: Not publicly available - **Key Metric**: 47 employees (as of mid-2025) with monthly headcount growth of +4.9%; 500+ active job postings; 84,000+ LinkedIn followers; over 150 corporate partners; properties in multiple cities across the UK, France, Algeria, and recently launched in Lisbon. - **Notable Investors/Partners**: 150+ corporate clients; no external funding rounds publicly disclosed (appears bootstrapped or early-stage without major VC backing). - **Growth Signals**: Rapid headcount growth (+4.9% monthly), recent expansion into Lisbon (July 2025), 500+ open roles, and a goal of reaching properties in every major city worldwide by 2027. ## Competitive Advantages - **Flexibility at scale**: Month-to-month leases, same-day move-ins, cross-border relocation with a few taps—unlike traditional long-term leases. - **Full-stack property management**: Landlords get guaranteed rent and zero voids, while tenants get hotel-grade service (cleaning, maintenance, 24/7 support). - **Data-driven operations**: Evidence-based decision-making, dynamic pricing, and rapid evaluations for landlords. - **Flat, ego-free culture**: No hierarchy or bureaucracy; best idea wins based on data, not tenure. ## Strategic Focus - **Global expansion**: Actively entering new cities (Lisbon launched July 2025) with a target of having homes in every major city worldwide. - **Scaling the platform**: Growing the portfolio of properties and corporate partnerships; hiring aggressively (500+ open roles) to support expansion. - **Product innovation**: Building a seamless, Amazon-like rental experience with instant approvals, digital keys, and flexible terms. ## Why Work Here - **Culture**: Ego-free, fast-paced, values-driven environment with no hierarchy or bureaucracy. Emphasis on big ideas, learning from failure, and shipping fast. - **Remote-first**: The Flex is a remote-first company, hiring stellar talent globally and trusting them to own outcomes. - **Mentorship & growth**: Work alongside senior leaders (including founders) who provide direct feedback, hands-on coaching, and clear career progression. Promotions based on performance, not tenure. - **Accountability**: Each teammate owns clear metrics and turns objectives into outcomes. - **Innovation**: Data-backed approach; open-minded, diverse team driving solutions. - **Notable perks**: Minimal rules, total accountability, genuine freedom; "Career Rocket Ship" where you own mission-critical projects from day one. - **Application process**: Online assessment, HR interview, and founder interview for every role. ## Sources 1. [theflex.global – About Us](https://theflex.global/about-us) 2. [theflex.global – Careers](https://theflex.global/careers) 3. [theflex.global – Homepage](https://theflex.global/) 4. [LinkedIn – The Flex](https://uk.linkedin.com/company/theflexglobal) 5. [Ashby – The Flex Jobs](https://jobs.ashbyhq.com/The-Flex) ## Other roles at The Flex - [Strategic Finance Manager](https://feeny.ai/job/strategic-finance-manager-the-flex-london-yqq7wh2w0kfd) — London, United Kingdom - [Senior Finance Analyst — The Flex](https://feeny.ai/job/senior-finance-analyst-the-flex-the-flex-london-xj8wtwd89g6h) — London, United Kingdom - [Entrepreneur in Residence (EIR)](https://feeny.ai/job/entrepreneur-in-residence-eir-the-flex-london-na5c1mac8may) — London, United Kingdom - [Growth Marketer](https://feeny.ai/job/growth-marketer-the-flex-london-bq85tca3jbnk) — London, United Kingdom - [French-Speaking Customer Experience Specialist](https://feeny.ai/job/french-speaking-customer-experience-specialist-the-flex-paris-h80exm7q0ywm) — Paris, France - [Full-Stack Engineering Lead](https://feeny.ai/job/full-stack-engineering-lead-the-flex-paris-s7pw2fbaq6x8) — Paris, France - [Founding Software Engineer](https://feeny.ai/job/founding-software-engineer-the-flex-paris-abrjrrtwqpaf) — Paris, France - [Full-Stack Product Engineer](https://feeny.ai/job/full-stack-product-engineer-the-flex-paris-z15mcf3fd057) — Paris, France - [Software Engineer](https://feeny.ai/job/software-engineer-at-bay-tel-aviv-yafo-gw8683vjv7w1) — Tel Aviv-Yafo, Israel - [Software Engineer](https://feeny.ai/job/software-engineer-envoy-global-inc-hyderabad-5xsr7revgv3b) — Hyderabad, India