Founding Engineer

The Flex

Full-time IT & Technology
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Location
Remote, Remote, Finland
Posted
June 12, 2026

Job Description

Join the team redefining the future of global living โ€” from the ground up.

At The Flex , we believe renting a home should feel instant, intelligent, and effortless โ€” as seamless as booking a ride.

Our ambition is bold: enabling anyone to live anywhere, anytime, without friction.

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

This is not a job where you โ€œpick up tickets.โ€

This is a chance to build a companyโ€™s technical foundation and define how a global platform operates at scale.

What You Will Build

As a Founding Engineer, you will help design, build, and scale the core technology that The Flex is built on โ€” from first principles.

Youโ€™ll work across product, engineering, and operations, owning systems end-to-end: web apps, APIs,...