Full-Stack Engineer (Web & APIs)

The Flex • belfast, northern ireland, United-Kingdom • Posted June 06, 2026

Location belfast, northern ireland

Job Type Full-time

Category IT & Technology

Posted June 06, 2026

At The Flex , we believe renting a home should feel instant, intelligent, and effortless — 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, we are building the operating system for modern renting — connecting property data, orchestrating operations, and enabling seamless stays across continents. 
If you’re energized by web platforms, API-driven systems, automation, and real-world scale, this is your opportunity to shape how millions of people move, live, and experience the world. 
What You’ll Build As a Full-Stack Engineer (Web & APIs) , you will design, build, and scale the core web applications and APIs behind The Flex platform—powering instant bookings, intelligent access, automated workflows, and predictive operations. 
You will work end-to-end across frontend interfaces, backend serv...
            

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