Founding Engineer @ Cograder
🌐 Portfolio · LinkedIn · GitHub · Medium
🥉 3rd Place · ADAPTA AI Challenge Hackathon
São Paulo · August 2025 · R$ 100.000 prize · Top 3 of 6,000+ startups
🌐 adaptamidia.com
AdaptaMidia is an AI-powered platform for Out-of-Home (OOH) advertising — combining Computer Vision and LLMs to turn traditional outdoor media into a measurable, data-driven channel.
What it does
- 👁️ Real-time audience analytics — computer vision detects quantity, age range, gender and emotional response (LGPD-compliant, privacy-first)
- 📊 Measurable ROI — campaign analytics and performance metrics instead of estimates
- 🤖 Automatic campaign optimization — AI adjusts creative by location, time window and audience profile
- 🗺️ Actionable insights — peak hours, attention maps, location-specific performance
Who it serves
- 🏢 Establishments (malls, elevators, restaurants) — monetize spaces with 30–50% revenue share
- 📣 Advertisers — data-driven campaign management with real-time optimization
- 💼 Investors — validated tech in an R$ 8B Brazilian market
My role — built solo, end-to-end
I designed, built and shipped the entire product by myself:
- 🎨 Frontend — React + TypeScript dashboard and display surfaces
- ⚙️ Backend — Node.js / NestJS APIs and services
- 🧠 AI / Computer Vision — detection, demographic inference and attention tracking
- ☁️ Infrastructure — deployed on Google Cloud with CI/CD
- 🗄️ Data — MongoDB powering insights and dashboards
Sponsorships & Credits
- ☁️ Google Cloud — US$ 2,000 in cloud credits
- 🍃 MongoDB for Startups — database credits & startup benefits
- 🟢 NVIDIA Inception (for Startups) — GPU credits & partner program access
Traction
- 🏆 Finalist at Adapta Summit 2025 — top 3 out of 6,000+ startups
- 🤝 Strategic partnerships (BitCoffee + technology providers)
- 📺 Running installations in premium commercial elevators
- ⚡ Enterprise-grade infrastructure — 99.9% uptime
🎬 Videos
1. Me testing the AI — real-time detection
That's me in front of the camera: the model picks me up live, tracks attention and reads emotional response in real time.
demo.mp4
2. In-elevator deployment — counting & demographics
AdaptaMidia running inside a commercial elevator: detecting and counting people, and inferring gender and average age range per passenger group.
case_1.mp4
3. Detection model — bounding boxes in action
Example of the computer vision pipeline: the AI draws bounding boxes around each person detected by the underlying CV models.
feature_people_detected.mp4
4. Dashboard — generated insights
Insights being produced from the captured data: audience breakdowns, peak hours and attention maps feeding the analytics dashboard.
feature_insights.mp4
I'm passionate about pushing the boundaries of what's possible with AI. Currently building AI-powered features at Cograder using LLMs, Fine-Tuning, and MCP (Model Context Protocol).
What I work with:
LLM · Fine-Tuning · Model Context Protocol (MCP) · OpenAI APIs (ChatGPT, DALL-E, Whisper) · Computer Vision · OCR · Leonardo AI API · Prompt Engineering
Full-Stack Engineer with 12+ years of experience (since 2014) building scalable products from scratch. I've gone from intern to CTO, shipping products used by millions of users across banking, fintech, VPN, and edtech.
Currently: Founding Engineer at Cograder — building the product from zero with Node.js, Firebase, React & AI.
Previously:
- CTO / Tech Lead at GoatVPN — built the entire platform and hired the engineering team
- Tech Lead at Itaú BBA — led authentication & security squad at Latin America's largest investment bank
- Tech Lead at GO-K Digital (Grafeno Digital) — led the Credit Emission fintech project
- FIC Engineer at Trustly — payment gateway integrations across North America & Europe
- Software Engineer at Itaú Unibanco — mobile banking apps for millions of users
- Software Engineer at Accenture — enterprise solutions for Porto Seguro
Languages
Backend
Frontend
Mobile
Databases & ORMs
Cloud & DevOps
Messaging & Integrations
Also: Stripe · Pusher · Twilio (SMS/WhatsApp) · SendGrid · Slack API · Cloudinary
Monitoring & Observability
Also: New Relic · DataDog
Testing
Tools
- ChatGPT in WhatsApp — Integrating ChatGPT into WhatsApp using Facebook's official API with NestJS
📄 View Presentation
🇧🇷 São Paulo, Brazil · Open to relocate 🌍