Welcome to my GitHub!
Miami-Based Developer | Computer Science & Cybersecurity
🧠 Embedded AI, Computer Vision & Raspberry Pi Systems
A collection of projects exploring embedded systems, computer vision, and machine learning deployment on the Raspberry Pi.
Explore the full Raspberry Pi projects repository: RaspberryPiLab
Check out the ML & Computer Vision project with Raspberry Pi: LeafMedic
Java | Spring Boot | React | PostgreSQL | Docker
- 🚚 Designed 20+ REST endpoints across shipments, inventory, and analytics resources using Spring Boot and Spring Data JPA
- 🔐 Secured all routes with Spring Security + JWT stateless authentication and configured CORS for cross-origin requests
- 🐳 Dockerized backend with multi-stage builds and deployed via Render Blueprint IaC with Leaflet maps and Chart.js
React | Node.js | Groq | Whisper | Llama 3
- 🎤 Orchestrated a voice-to-AI pipeline using Groq Whisper Large v3 for transcription and Llama 3 70B for follow-up generation
- 🎧 Implemented real-time audio capture via MediaRecorder and Web Audio APIs with text fallback and browser-native TTS
- 🛠️ Built a modular Express backend with rate limiting (30 req/15 min), response sanitization, and separated prompt templates
TypeScript | Next.js | Prisma | Recharts | SQLite | Gemini API
- 🏢 Built a Next.js/TypeScript platform with SSE live alerts, Gemini streaming AI, and FTS5 search across 69 locations
- 🗄️ Designed an 8-model Prisma schema with strict server/client boundary - all ORM queries server-side only
- 📉 Engineered a sigmoid churn model (AUC 0.841) scoring 15K+ members with feature importance and an ROI calculator
Python | React | Django | Docker | WebSockets
- ☁️ Streamed live weather and AQI data via Django Channels WebSockets with automatic HTTP polling failover
- 🔌 Engineered a 4-layer data fallback across live APIs, EPA PM2.5-to-AQI conversion, and DB-persisted simulation
- 📊 Implemented z-score anomaly detection per city with real-time forecast panels, heatmaps, and CSV/PDF export
React | Node.js | Express | MongoDB | Alpha Vantage API
- 🔒 Built JWT authentication with bcrypt hashing and Express middleware, enforcing per-user data ownership on all routes
- 💹 Integrated Alpha Vantage and News API with server-side caching to handle rate limits and serve real-time stock data
- 🎯 Developed MERN trading platform with live price previews, Chart.js trend charts, per-trade P&L tracking, and leaderboard
I'm always excited to collaborate on innovative projects or discuss new tech ideas!
📧 Email: mrodr.contact@gmail.com
💻 Portfolio: mariarod.dev
💼 LinkedIn: linkedin.com/in/mariarodr/
🐱 GitHub: @mariarodr1136