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The Flex

Full Stack Software Engineer

The Flex • Austria

Join the team redefining the future of global living.

At The Flex, we believe renting a home should feel instant, intelligent, and effortless the same simplicity as booking a ride.

Our ambition is bold: a world where anyone can live anywhere, anytime, without friction.

Powered by Base360.ai, our proprietary automation engine, were building the operating system for modern renting connecting property data, orchestrating operations, and enabling seamless stays across continents.

If youre energized by automation, AI, and large-scale real-world systems, this is your chance to help shape how millions move, live, and experience the world.

What Youll Build

As a Full-Stack Software Engineer, youll design and scale the core technology behind The Flex powering instant bookings, intelligent access, automated workflows, and predictive operations.

Youll work across frontend, backend, and cloud infrastructure, transforming complex operational challenges into elegant, scalable systems.

You wont just ship features.

Youll create leverage, unlock automation, and architect the foundation of tomorrows intelligent rental ecosystem.

Your Mission

Build the Engine

Develop fast, reliable, and scalable applications that power bookings, payments, availability, and guest experience.

Automate at Scale

Design microservices and AI-driven workflows that replace manual tasks across the business.

Connect the Ecosystem

Architect high-impact integrations between Base360.ai and partners such as Airbnb, Stripe, Hostaway, and Twilio.

Launch & Iterate Fast

Deploy and manage serverless infrastructure (AWS) with a relentless focus on speed, reliability, and global scale.

Solve Hard Problems

Tackle real-time booking sync, pricing intelligence, keyless access logic, AI-powered alerts, and live operational dashboards.

Build With the Team

Collaborate closely with product, data, and operations to turn automation ideas into real-world impact.

Youre a Great Fit If You Have

  • Strong experience with Node.js, React, and AWS (serverless)
  • A deep understanding of API-first architectures and distributed systems
  • Experience with Python/FastAPI for scripting, automation, or data services (bonus)
  • A track record of building clean, scalable, production-ready systems
  • Curiosity about automation, AI-driven operations, and property technology
  • A bias toward execution you ship fast, learn quickly, and enjoy solving complex problems

Why Youll Love Working Here

Build Real Impact

Your code will shape thousands of stays and redefine a multi-trillion-dollar industry.

Small Team, Big Mission

High ownership, zero bureaucracy, and the chance to build foundational systems from scratch.

Learning & Growth

We move fast, iterate constantly, and value continuous improvement.

Performance-Based Rewards

Competitive compensation + meaningful upside for exceptional talent.

Remote-First

Work from anywhere we care about outcomes, not hours.

This Role Is Not for You If

  • You want a slow, predictable 95
  • You prefer planning over building
  • Good enough is good enough
  • Youre not committed to becoming elite in your craft

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