# Roman Bellisari — Work

Design engineer and AI/ML engineer currently focused on AI systems, UI/UX design, and full-stack web development. Especially interested in human-centered design, circular fashion, remote sensing, geospatial data systems, and compelling visual experiences.

## Realtor.com AI Tours
**Software Engineering, Machine Learning, Video Systems**

AI-driven video generation engine built in collaboration with Addition ML for Realtor.com. Automates property and community storytelling at scale through a multi-modal ML pipeline. Deterministic rendering flows with intelligent image curation, geospatial overlays, and concurrent batch video creation. Dockerized FastAPI microservices on Google Cloud Run with Firebase orchestration, MLOps observability, and fault-tolerant queue management.

## Prudential Flash Forward
**Software Engineering, Generative AI, Interactive Media**

Interactive generative AI experience for Prudential live events via McCann and Addition ML. Real-time personalized narrative generation with sub-5 second latency. FastAPI on Google Cloud Run with photo booth capture, Firebase storage, Twilio SMS delivery. Supported thousands of participants across national activations. Featured in the Wall Street Journal.

## Patient Storytelling Platform
**Software Engineering, Digital Storytelling, UX Design**

Multi-modal AI narrative system helping organ transplant patients tell their stories with multi-language translation. Backend architecture, API design, multimodal model integrations, and data workflows transforming chat inputs into structured video stories.

## Biography Narration Platform
**Software Engineering, AI Systems, Narrative Design**

Full-stack AI platform generating dynamic biographies blending text, image, and voice. Hierarchical prompting for long-form coherent narratives. EPUB automation for digital publishing. FastAPI microservices with Firebase auth and Google Cloud Storage.

## The Comma Project
**Punctuation Analysis, Data Visualization, Text Exploration**

Interactive data visualization of punctuation patterns in 50+ classic novels from Project Gutenberg. Custom Python analysis pipeline. Next.js, TypeScript, TailwindCSS, Framer Motion, GSAP. https://commaproject.dev

## Sona Mecha
**Urban Sound Mapping, Sensor Networks, Data Visualization**

Research project exploring acoustic inequality in cities. Distributed sensor networks capturing 360-degree sound fields. Real-time 3D sound map visualization. Links sound profiles with inequality indicators.

## Cartas.io
**Computational Design, Machine Learning, Research**

Computer vision for garment pattern design. Pose estimation, 2D-3D reconstruction, diffusion-based synthesis for accelerating garment prototyping. https://cartas.io

## Travel Itinerary Platform
**Backend Engineering, AI Systems, Scalable Pipelines**

AI travel planning platform generating structured multi-day itineraries. Deterministic planning logic with LLM-driven generation. FastAPI, custom SQL data model, geospatial services, multilingual and multi-currency support. Built alongside engineering leaders from Stripe, Google, and Capital One.

## Ratatouille.nyc
**AI Recipe Generation, Serverless Architecture**

Ingredient-based recipe generator. Firebase, Firestore, serverless Python, Vercel. https://ratatouille.nyc

## Cerberus Capital Management
**Machine Learning, Data Science, Alternative Asset Management**

ML engineer on quantitative systems across private equity portfolios. Multi-touch attribution model supporting A/B testing and budget reallocation across channels. ML pipelines classifying and aggregating enterprise spend data (Python, Airflow, Docker, Azure). Large-scale data warehouse consolidation spanning hundreds of source tables.

## Blackstone Portfolio Company
**Software Engineering, Quantitative Modeling, Credit Markets**

Quantitative systems supporting a globally distributed lending portfolio across multiple facilities and currencies. Automated credit risk and liquidity reporting. Serverless APIs and real-time data pipelines for leverage, utilization, and risk monitoring.

## McKesson Sales Permissions Architecture
**Data Engineering, Systems Design**

SQL-driven permissions hierarchy for a national sales organization. Multi-environment pipeline with version control, scheduled deployments, and formalized build procedures.

## Early-Stage MedSpa Data Platform
**Data Engineering, ETL Systems, CRM Architecture**

Configurable ETL system for medical spa operational data. Dynamic mapping schemas, automated normalization, secure transformations for sensitive client data.

## Additional Projects

- **Audio Classifier** — Custom ML models for audio genre classification using MFCC and MLPs
- **Amazon Reviews Prediction** — NLP sentiment analysis on large-scale Amazon review data
- **Nnector** — Full-stack contractor bidding platform for real estate
- **Undisclosed Media** — Hypertext project, first MERN application
- **Calendar Design for Pat** — Print design for NYC community fundraiser