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Full-Stack Product Engineer

The Flex

Full-stack Development Full-time
Remote (Global) June 16, 2026

Job description

At The Flex, we believe renting a home should be as simple as booking a ride.

Our mission is to enable anyone to live anywhere, anytime, without friction.

Powered 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.

We're looking for a Full-Stack Product Engineer who thrives at the intersection of product, engineering, and execution.

This isn't a role where you'll simply implement tickets.

You'll identify problems, design solutions, build products, automate workflows, and help shape the future of the platform.

What You'll Do

Build Products End-to-End

Take ideas from concept to production by designing, building, testing, and launching features that create measurable business impact.

Own Customer Problems

Work directly with founders and operational teams to understand challenges and transform them into elegant software solutions.

Move Fast

Ship quickly, gather feedback, iterate, and continuously improve products based on real-world usage.

Create Automation

Design systems that eliminate manual work and allow the company to scale efficiently.

Build Internal Tools

Develop operational dashboards, workflow engines, management platforms, and AI-powered tools used across the business.

Connect External Systems

Build integrations with platforms such as Airbnb, Stripe, Hostaway, Twilio, Google, and OpenAI.

Leverage AI

Implement AI-powered features and workflows that improve productivity, decision-making, and customer experience.

Scale the Platform

Ensure systems remain reliable, secure, and scalable as the business grows internationally.

Tech Stack

Current technologies include:

  • Python
  • FastAPI
  • React
  • TypeScript
  • Supabase
  • PostgreSQL
  • AWS
  • OpenAI APIs
  • Stripe
  • Twilio
  • GitHub Actions

You don't need experience with every technology listed above, but you should be capable of learning quickly and adapting.

What We're Looking For

Must-Have

  • Strong full-stack development experience
  • Experience building production-grade web applications
  • Strong understanding of APIs and databases
  • Product mindset and user-centric thinking
  • Ability to work independently and take ownership
  • Strong problem-solving skills
  • Excellent written communication

Nice-to-Have

  • Experience with FastAPI
  • Experience with React and TypeScript
  • Experience with AI tools or LLM integrations
  • Startup experience
  • PropTech, marketplace, or SaaS experience

What Success Looks Like

Within your first year:

  • You've launched multiple high-impact features
  • Manual operational processes have been automated
  • Product development cycles are significantly faster
  • AI-powered workflows have been deployed across the business
  • Base360.ai has become a stronger competitive advantage for The Flex

Why Join The Flex

Massive Ownership

You'll have direct influence over product decisions, architecture, and company strategy.

Build Real Products

Your work will impact thousands of users and properties across multiple countries.

Learn at Startup Speed

You'll work closely with founders and gain exposure to engineering, product, operations, AI, and business.

Remote-First

Work from anywhere.

High Growth Environment

We're building quickly and looking for people who want to grow alongside the company.

This Role Is Not For You If

  • You prefer highly structured corporate environments
  • You only want to write code from predefined specifications
  • You avoid ownership outside your immediate responsibilities
  • You are uncomfortable moving quickly and adapting to change

If you love building products, solving real-world problems, and creating systems that scale, we'd love to hear from you.

#LI-Remote

Available regions

Each region below is open to applicants in that country only. Apply through the link for your region.

Country
States / regions
Apply
France
Any
Italy
Any
United Kingdom
Any
Algeria
Any
Tunisia
Any
Indonesia
Any
Egypt
Any
San Marino
Any
Mauritius
Any
Norway
Any
Albania
Any
Portugal
Any
Kazakhstan
Any
Serbia
Any
Montenegro
Any
Brunei
Any
Vietnam
Any
Morocco
Any
Oman
Any
Hong Kong
Any
Hungary
Any
Slovenia
Any
Poland
Any
Taiwan
Any
Latvia
Any
Philippines
Any
Ireland
Any
Austria
Any
Ivory Coast
Any
China
Any
Bulgaria
Any
Thailand
Any
Finland
Any
Congo
Any
Peru
Any
Greece
Any
Ethiopia
Any
Armenia
Any
Iceland
Any
Denmark
Any
Malta
Any
Moldova
Any
Malaysia
Any
Belgium
Any
Lithuania
Any
Cameroon
Any
Madagascar
Any
Luxembourg
Any
Cyprus
Any
Turkey
Any
Georgia
Any
Slovakia
Any
Mongolia
Any
Germany
Any
South Korea
Any
Switzerland
Any
Romania
Any
Kuwait
Any
Estonia
Any
Netherlands
Any
Kosovo
Any
Jordan
Any
Andorra
Any
South Africa
Any
Japan
Any
Spain
Any
Qatar
Any
Benin
Any
Croatia
Any
Ukraine
Any
Singapore
Any
Azerbaijan
Any
Apply now

You will be redirected to the company's website to complete your application.

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