Ernesto Rivera

Bridging Tech and Industry: Innovating Solutions, Inspiring Change.

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Professional Experience

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Software Engineer Intern, Wayfair

Summer 2025 | Boston, MA

Full-stack development on fintech microservices using PHP, TypeScript, and Apollo GraphQL. Built and optimized landing pages, improved SEO, implemented end-to-end testing with Jest, and ensured cross-browser accessibility compliance. Monitored production systems with Datadog and Kibana.

Data Architecture Engineer, Whiting-Turner

May 2024 - Oct 2024 | Irvine, CA

Restructured a 1B+ data point database into job site-specific systems using Azure (Cosmos DB, SQL, IoT Hub, Stream Analytics), cutting query times by 80%. Led development of a task management system that reduced scheduling delays by 12%. Consulted on AI adoption for construction workflows and mentored junior interns.

Founding Engineer, MyTA

Jul 2023 - Mar 2024 | Remote

Built an AI-powered educational chatbot using Meta AI's Nougat for high-accuracy OCR and Pinecone for vectorized data handling, improving content delivery by 50%. Integrated professorial materials into personalized student support systems. Collaborated with 14+ university AI boards to drive platform adoption.

Research Assistant, GLOB~S Lab

Jan 2024 - May 2024 | Boston, MA

Analyzed a 32GB US Patent Directory dataset to uncover disaster-driven innovation trends around Hurricane Katrina. Built scalable data pipelines with NumPy and Dask on shared computing clusters. Merged patent data to inform post-disaster policy and strategy.

AI Software Engineer, Whiting-Turner

May 2023 - Jun 2023 | Irvine, CA

Developed OCR/KIE applications for cloud deployment using Mindee's OCR, FastAPI, and React Native. Achieved 25x reduction in transcription time by automating on-field form processing with OCR and LLM. Spearheaded AI adoption by building MVPs and presenting proof-of-concept documentation to senior management.

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Hackathon Projects

$65,000+ in prizes across 10+ hackathons

Church & AI 2024, Best Concept

$15,000 Prize

Led creation of Generosity, an AI-driven platform to unlock $50B in annual church donations. Built AI-powered donor-cause matching algorithms that increased donation growth by 53%. Used Digital Twin technology to optimize initiative success across large member bases with a real-time feedback loop and dynamic AI dashboard.

Church & AI 2023, Best Technology

$50,000 Prize

Built an AI-powered MetaHuman backend using Inworld AI and Unreal Engine for immersive 3D interactions. Pioneered personalized AI faith-based counselors, reducing costs by 100x. Crafted the technical infrastructure and business strategy for Gloo's collaboration.

Cornell Health Hackathon

Finalist, 2023

Developed an AI-powered VR/AR therapy app to help individuals overcome phobias. Integrated GPT-3's API to create personalized prompts for immersive 360-degree environments using Stable Diffusion.

NASA Space Apps

Global Nominee, 2022

Engineered an AI system to analyze 22,500+ datasets from public NASA archives. Implemented GPT-3 and Stable Diffusion to make complex datasets accessible to the general public and researchers, earning global recognition.

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Personal Projects

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Cantena

SaaS for AI code understanding

A hosted platform that gives AI coding assistants (Cursor, Claude Code) semantic code understanding via the Model Context Protocol. Indexes repositories into a Neo4j graph database with 19 edge types, enabling token-efficient exploration, structural awareness, and blast radius analysis before code changes. Built with TypeScript, Neo4j, Pinecone, and OpenAI embeddings.

OCR Digit Classifier

Machine learning

Custom KNN model for handwritten digit recognition on MNIST, achieving 95% accuracy through optimized preprocessing and feature extraction. Built a real-time GUI with Python, Tkinter, PIL, and NumPy.

AI Interview Bot

Full-stack AI application

Real-time interview prep tool using OpenAI, Flask, Next.js, and WebSockets. Provides feedback, grades responses, and tailors questions to specific industries, companies, and job positions.

Cantena knowledge graph visualization
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