# Julissa E Cotillo > Co‑Founder | AI builder for rental ops (STR/MTR) | Agents + automation Location: Clearwater, Florida, United States Profile: https://flows.cv/julissa I’m a co‑founder building AI products for independent rental owners and property managers (STR/MTR). Our focus is the operational layer—maintenance coordination, workflows, and guest experience—because that’s where revenue is protected (or quietly lost). I care about shipping real products, not hype: fast iterations, clear constraints, and tools that work in the real world. I’ll be at VentureWeek Miami next week connecting with AI startup builders (founders, engineers, operators). If you’re working on agents, automation, vertical SaaS, or proptech, I’d love to meet. Also open to select consulting/freelance for AI engineering + workflow automation. ## Work Experience ### AI Software Engineer & Co-Founder @ Breezy Keys Jan 2023 – Present | Greater Tampa Bay Area Led operations and technology for Breezy Keys, a property management and Airbnb co-hosting business. Achieved Airbnb “Guest Favorite” status within four months through exceptional guest service. Built BnBTuner, an AI-powered listing optimizer that improved property visibility and booking performance. Developed Airbnb Replier, an automation system using n8n and Gmail API to streamline guest communications. Created an AI-enabled handyman quoting and invoicing platform with OpenAI and Next.js to accelerate maintenance workflows. ### Senior Software Engineer, AI Team @ Polly Jan 2024 – Jan 2026 Implemented AI-driven systems with a focus on real-time text streaming, retrieval-augmented generation (RAG), and agentic workflows. Built Vue 3 and TypeScript UI components for AI citation transparency, optimizing enterprise-scale RAG pipelines. Developed intelligent LLM routing systems that improved accuracy and performance in production environments. Collaborated with design and analytics teams to deliver production-ready AI features that scaled effectively. Implemented cross-platform voice AI integration and testing frameworks that strengthened ML pipelines. ### Software Engineer @ QuickNode ⚡ Jan 2022 – Jan 2023 | United States Contributed to the launch of the QuickNode Marketplace, supporting partner onboarding and developer adoption. Implemented Stripe billing integration and automated payout systems to improve financial operations. Built Ruby and Go microservices for API load testing, streamlining the partner approval process. Authored open-source starter repositories in Python and Ruby to accelerate developer onboarding. Implemented responsive partner interfaces with Figma designs, TailwindCSS, and React for consistent cross-device usability. Designed data pipelines for Metabase dashboards, enabling leadership to make data-driven decisions. Developed recommendation systems using GraphQL and TypeScript to drive add-on engagement. ### Senior Software Engineer @ VitalSource Jan 2017 – Jan 2022 | San Francisco Bay Area Co-led a four-person engineering team integrating GraphQL, Apollo, and TypeScript into platforms used by universities nationwide. Modernized legacy web applications into responsive, mobile-friendly products. Built APIs that streamlined digital content distribution and optimized publisher workflows. Partnered with UX designers to improve usability and product adoption. Owned on-call support for multiple product lines, ensuring reliability and customer satisfaction. ### Software Engineer @ Kipu Systems Jan 2015 – Jan 2016 | Miami/Fort Lauderdale Area Built middleware between Sidekiq and Redis that eliminated background job delays. Designed and launched a polymorphic scheduling system for recurring healthcare appointments. Improved rendering performance of medical forms through SQL optimization. Expanded test coverage by introducing RSpec, Capybara, and Cucumber testing workflows. Engineered features for documenting patient vital signs and consent forms, ensuring accuracy and compliance. ## Education ### Summer School 2024 Climate change AI Jan 2024 – Jan 2024 ### Gen AI: Building AI Agents Google for Startups Jan 2024 – Jan 2024 ### Data Engineering Training and Competitions by Correlation One Jan 2023 – Jan 2023 ### Bachelor's degree in Economics & International Relations Boston University Jan 2010 – Jan 2014 ### High School/Secondary Diplomas and Certificates School for Advanced Studies Jan 2008 – Jan 2010 ## Contact & Social - LinkedIn: https://linkedin.com/in/julissacotillo - Website: http://julissa.work/ --- Source: https://flows.cv/julissa JSON Resume: https://flows.cv/julissa/resume.json Last updated: 2026-03-22