Senior software developer with 10+ years of experience building web, cloud, and AI products — hands-on from the first commit to production.
Product-minded engineering across the full stack — from the first line of code to production at scale.
I take an idea and turn it into a launched product.
Web, cloud, and AI — end to end.
CTO and team-lead experience in real startups.
Real products I designed, built, and launched. From idea to market in weeks, not months.
Intelligent management system for short-term rental hosts and property managers in Brazil. Syncs Airbnb, Booking.com, Expedia, Decolar, and VRBO in real time to prevent overbooking, and ships with Lia — an AI co-host that blocks dates, adjusts prices, and answers guests from plain-Portuguese commands. Includes unified calendar, financial dashboards with occupancy and RevPAR, cleaning and inventory management, and owner portals.
Tech Stack
Key Achievement
Live SaaS managing short-term rentals across Airbnb, Booking and more — with Lia, an AI co-host in Portuguese
AI-powered hotel and guesthouse management platform that centralizes reservations, revenue management, and distribution across multiple sales channels. Features dynamic pricing, competitor monitoring, and machine learning models for occupancy prediction and optimal pricing strategies.
Tech Stack
Key Achievement
Helped hotels increase occupancy even during low season
"We needed a complete hospitality management solution from scratch. Denner delivered faster than expected and exactly as promised. The machine learning models are sophisticated, the integrations with OTAs work flawlessly, and our hotel clients are seeing real revenue growth. He delivered beyond expectations."
Free e-learning platform designed to bring public school students in Brazil to the same level as private school education. Simple, accessible content that helps students learn without financial barriers, democratizing quality education across the country.
Tech Stack
Key Achievement
Democratizing quality education for public school students in Brazil
"I had the content and expertise, but needed the right platform to deliver it. Denner created a beautiful, intuitive learning experience faster than I expected. The video delivery is smooth, payment integration works perfectly, and the student engagement features exceeded my expectations. He truly understood the educational market."
10+ years building products and leading teams — hands-on from architecture to launch.
I help companies use technology in a practical way to hit real results. If you think I can add value, let's talk and get things moving.
Previous experience:
Specialties:
Detailed progress reports every Friday. You always know where your project stands.
Working software every 2 weeks. See real progress, not just promises.
Available on Slack daily. Real-time communication, not ticket queues.
