Senior Software Engineer — AI & Automation for Rentals

The Flex; Birmingham; Remote; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Remote-first

Performance-based rewards

Job summary

The Flex is hiring a Senior Software Engineer in Birmingham to help build Base360.ai, the AI operating system for short-term rental operators. You will design scalable backend and API-first systems, implement AI-powered workflows, and integrate with major platforms to automate guest communications, pricing, and operations.

Join a remote-first team that ships end-to-end, from problem framing to deployment, with a strong focus on reliability, performance, and global growth for the platform

Qualifications

• Strong experience building and owning production-grade software systems.
• Experience with FastAPI, Python, React, or similar frameworks.
• Strong understanding of APIs, distributed systems, and cloud architecture.
• Experience designing scalable backend systems and reliable data models.
• The ability to work independently and make sound technical decisions.
• Strong problem-solving skills and a product mindset.
• Curiosity about AI, automation, and operational efficiency.
• A bias toward action, shipping, and learning from real users.
• The ability to balance delivery speed with maintainability and reliability.

Responsibilities

• Design and develop scalable applications, services, and APIs that power reservations, availability, pricing, payments, guest experiences, and property operations.
• Build event-driven workflows that eliminate repetitive work—from scheduling cleaning after a booking to sending check-in instructions and generating owner statements.
• Use LLMs and AI agents to automate guest communication, triage maintenance requests, support pricing decisions, and help operators manage their portfolios more efficiently.
• Create robust APIs that connect internal services, booking channels, third-party providers, and customer systems.
• Deploy and manage cloud-native infrastructure designed for reliability, performance, and global growth across multiple property management businesses.
• Own projects end-to-end—from understanding an operator’s problem to architecture, implementation, deployment, and ongoing improvement.
• Bring senior engineering judgment to technical decisions, code reviews, and the reliability of the systems you build.
• Integrate with platforms including Airbnb, Hostaway, Stripe, Twilio, OpenAI, Google, and other strategic partners.

Skills

API design

Distributed systems

Cloud architecture

Independent worker

Problem solving

Product mindset

AI interest

Tools

Python

FastAPI

React

TypeScript

AWS

OpenAI APIs

Docker

Job description

The Flex is hiring a Senior Software Engineer in Birmingham to help build Base360.ai, the AI operating system for short-term rental operators. You will design scalable backend and API-first systems, implement AI-powered workflows, and integrate with major platforms to automate guest communications, pricing, and operations.

Join a remote-first team that ships end-to-end, from problem framing to deployment, with a strong focus on reliability, performance, and global growth for the platform