Backend Engineer Remote

New Today

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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Apply
Location:
Birmingham, England, United Kingdom
Salary:
£80,000 - £100,000
Job Type:
FullTime
Category:
IT & Technology

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