Software Engineer – Founding Engineer for AI‑powered Rental Platform

About the role

The Flex is building Base360.ai, an operating system for modern renting that connects property data, automates workflows and powers seamless stays worldwide. As a Founding Software Engineer you will create the core platform that enables thousands of guests and properties to interact effortlessly.

Key responsibilities

• Design and develop scalable applications, services and APIs for bookings, pricing, payments and guest experiences.
• Build event‑driven automation engines that replace manual tasks.
• Leverage LLMs and AI agents to improve decision‑making and customer interactions.
• Create robust API‑first architecture for internal and third‑party integrations.
• Integrate with platforms such as Airbnb, Hostaway, Stripe, Twilio, OpenAI and Google.
• Deploy and manage cloud‑native, serverless infrastructure for global reliability.
• Solve complex operational problems like real‑time reservation sync, dynamic pricing, smart‑key management and automated guest communication.

Required profile

• Strong experience building production‑grade software systems.
• Hands‑on experience with FastAPI, Python, React or comparable frameworks.
• Deep understanding of APIs, distributed systems and cloud architecture.
• Proven ability to design scalable backend services.

Required skills

• Python
• FastAPI
• React
• TypeScript
• Supabase
• PostgreSQL
• AWS (Serverless)
• Docker
• GitHub Actions
• OpenAI APIs
• Twilio
• Stripe