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Senior Software Engineer

The Flex· Engineering
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RemoteFull-timePosted 4w ago

About the role

Senior Software Engineer at Base360.ai (The Flex) building an AI-powered platform for short-term rental operators. Focus on API-first architecture, automation, AI agents, cloud infrastructure, and end-to-end delivery to scale Base360.ai across operators globally.

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.
  • Build and maintain integrations with platforms including Airbnb, Hostaway, Stripe, Twilio, OpenAI, Google, and other strategic partners across the short-term rental ecosystem.
  • Deploy and manage cloud-native infrastructure designed for reliability, performance, and global growth across multiple property management businesses.
  • Build solutions for real-time reservation and availability synchronization, dynamic pricing intelligence, smart lock access and key management, automated guest communication, operational forecasting, cleaning and maintenance automation, owner reporting and financial workflows, and AI-powered monitoring and alerts.
  • Own projects end-to-end—from understanding an operator’s problem to architecture, implementation, deployment, and ongoing improvement.

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
  • Bias toward action, shipping, and learning from real users
  • Ability to balance delivery speed with maintainability and reliability

Skills

Required:Production-grade software developmentAPI design and developmentFastAPIPython
Nice to have:React

Benefits

  • Competitive compensation with substantial upside for exceptional performers
  • Remote-First: Work from anywhere. We care about outcomes, not hours.
Last updated Sep 23, 2026. Interested? Apply on the company site.
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About The Flex

Flexible Living, Made Easy

Professional property management services for landlords, flexible corporate lets for businesses and quality accommodations for short-term and long-term guests.

short-term rentalsfurnished apartmentsflexible rentingcorporate housing
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