Overview
The Flex is building an AI-powered operating platform for the rental world. We are assembling a lean team of world-class engineers to scale The Flex into a global platform. If you want to build systems that run cities, automate operations, and change how people live — you’re in the right place.
Role: Backend Engineer (Remote).
Location: Birmingham, England, United Kingdom.
What You’ll Build
As a Backend Engineer, you’ll design and scale the systems that power The Flex — from reservation logic and payments to property automation and data intelligence. You’ll focus on building high-performance APIs, serverless architectures, and automation pipelines that make our platform faster, smarter, and more reliable every day.
What You’ll Do
* API Architecture: Design and optimize scalable APIs connecting booking platforms, payment processors, and internal systems.
* Automation at Scale: Build tools to automate critical workflows — check-ins, check-outs, messaging, and reporting.
* System Design: Develop resilient, serverless infrastructure that supports global rental operations.
* Data Reliability: Maintain data accuracy and system integrity across integrations.
* Problem Solving: Diagnose and fix complex backend issues quickly and efficiently.
* Cross-Functional Collaboration: Work with product and operations teams to translate real-world needs into technical solutions.
* Code Quality: Write clean, testable, maintainable code with CI/CD best practices.
What You Bring (Qualifications)
* Strong proficiency in Node.js and cloud platforms (AWS preferred).
* Deep understanding of API design, scalability, and distributed systems.
* Experience with serverless architecture (Lambda, DynamoDB, etc.).
* Familiarity with FastAPI, Python, or scripting (bonus).
* Experience in automation systems (real estate, travel, or rentals is a plus).
* Strong problem-solving skills, curiosity, and a bias toward action.
Why You’ll Love It Here
* Build global impact: Your code will power thousands of stays and automate property operations.
* Move fast, build smart: Small team, no bureaucracy, full autonomy.
* Performance-based rewards: Competitive compensation + growth incentives.
* Learn from the best: Work directly with high-performing founders and engineers.
* Remote-first freedom: Work from anywhere — results > hours.
Don’t Apply If
* You want a slow, predictable 9–5 job.
* You thrive on gossip or politics.
* You’re not hungry to grow or improve.
* You’re okay with being “good enough” — we’re building with the best.
The Flex x Base360.ai
We’re not just writing backend code — we’re building the AI-powered operating system for the rental world. If you’re ready to engineer the backbone of a global platform and leave your mark on how people live — apply now.
Details
* Seniority level: Entry level
* Employment type: Full-time
* Job function: Engineering and Information Technology
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