Senior Software Engineer
The Flex
An application made for this job — a tailored resume and cover letter that speak straight to the posting.
Benefits offered by this job
Job summary
Base360.ai is seeking a highly ambitious Senior Software Engineer to build the AI-powered platform powering short-term rental operators worldwide. You will architect and scale APIs, automation engines, and AI-driven workflows that touch reservations, pricing, guest communications, and property operations.
You will work with a modern stack (Python, FastAPI, React, TypeScript) and cloud infrastructure (AWS, serverless).
Qualifications
- Experience building and owning production-grade software systems.
- Strong knowledge of Python, FastAPI, React, or similar frameworks.
- Understanding APIs, distributed systems, and cloud architecture.
- Ability to design scalable backend systems and reliable data models.
- Comfortable working independently and making sound technical decisions.
Responsibilities
- Build and scale Base360.ai core platform components and services.
- Develop AI-powered workflows and automation engines across the lifecycle.
- Create robust APIs connecting internal services, partners, and customers.
- Own delivery end-to-end from design to deployment and iteration.
- Collaborate with stakeholders and ship features with quality and speed.
Skills
Tools
Job description
Base360.ai is the AI operating system for short-term rental businesses, helping property managers run their operations on autopilot.
Born out of The Flex, a short-term rental operator that scaled to an eight-figure business using its own software, Base360.ai is now launching as a standalone platform for short-term rental operators worldwide.
We bring reservations, guest communication, pricing, payments, cleaning, maintenance, and reporting into one platform—helping operators automate manual work, reduce costs, increase revenue, and scale their portfolios.
We're looking for a highly ambitious Senior Software Engineer who wants to build systems that solve real problems at scale. You’ll build, ship, automate, and deliver products that directly impact property managers, their teams, and their guests.
If you’re excited by APIs, automation, AI agents, cloud infrastructure, and building products from the ground up, we want to meet you.
As a Senior Software Engineer, you’ll help architect and scale Base360.ai—the platform powering every aspect of a short-term rental business.
You’ll build customer-facing products, automation engines, AI-powered workflows, integrations, and operational systems that help property managers grow without increasing their workload at the same rate.
Your work will span the entire short-term rental lifecycle: from listing distribution, pricing, and bookings to guest stays, property operations, and financial reporting.
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.
- Real-time reservation and availability synchronization
- Dynamic pricing intelligence
- Smart lock access and key management
- Automated guest communication across channels
- Operational forecasting
- Cleaning and maintenance automation
- Owner reporting and financial workflows
- AI-powered monitoring and alerts
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.
We care more about capability than specific technologies, but our current stack includes:
- Python
- FastAPI
- React
- TypeScript
- Supabase
- PostgreSQL
- AWS
- Serverless architecture
- OpenAI APIs
- Twilio
- Stripe
- Docker
- GitHub Actions
- 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
- Short-term rentals, hospitality technology, or property management systems
- Multi-tenant SaaS platforms
- Marketplace businesses and booking channel integrations
- AI agents and workflow automation
- Event-driven architectures
- Supabase
- AWS serverless infrastructure
- Core short-term rental workflows are automated through systems you’ve built
- Property managers spend less time on manual administration
- Reservations, availability, payments, and operational data move reliably between systems
- New integrations are deployed and maintained reliably
- AI-powered workflows become part of customers’ everyday operations
- The platform supports more operators and properties while maintaining reliability and performance
- Base360.ai helps customers grow their portfolios, improve guest experiences, and operate more profitably
Build Something Meaningful
Solve problems experienced daily by short-term rental operators, with direct access to The Flex’s operations to test ideas and see their impact.
Extreme Ownership
Have the freedom and responsibility to make technical decisions and deliver systems that matter.
Small Team, Massive Opportunity
Work closely with the founders and directly influence the product and technical direction of Base360.ai.
Learn Faster
Solve real-world challenges across software, AI, automation, hospitality operations, and scale.
Performance-Based Rewards
Competitive compensation with substantial upside for exceptional performers.
Remote-First
Work from anywhere. We care about outcomes, not hours.
- You’re looking for a slow-paced corporate environment
- You prefer a narrowly defined role with limited product involvement
- You need detailed instructions for every task
- You avoid ownership and accountability
- You’re comfortable shipping work without taking responsibility for its quality
We’re looking for someone who wants to help build the AI operating system for the short-term rental industry.
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