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davchez/README.md

David Sanchez

University of California, San Diego   •   Mathematics-Computer Science (BSc)   •   Incoming SWE @ Google

LinkedIn   |   Resume   |   davchezcs@gmail.com

 

Current Role

Incoming L3 Software Engineer

Google

Signed offer beginning in March.

 

Former Career Roles

Full Stack Software Engineer (Mar 2025 — Aug 2025)

Alcaraz Enterprises, LLC

Contracted full-time Full Stack Technical Lead leading 3-person development team on MathLolaAI K-12 AI EdTech app. Delivered $18,000 of market value under a $5,000 budget. Performed Agile methodologies to improve workflow.

 

Software Engineer Intern, AI (May 2024 — Mar 2025)

Wytec International, Inc

Led development of Synthetic Data Engine assisting in $100M false positive AI gunshot detection reduction from 30% to under 10%. Presented technical findings to members of Congress and California state politicians.

 

AI Trainer (Mar 2024 — Mar 2025)

Outlier (Scale AI)

Contract part-time AI trainer working on RLHF, Chain of Thought (CoT), mathematical higher reasoning (proofs), data science, and data labeling projects to improve major company LLMs.

 

ML/AI Research Intern (Aug 2020 — May 2021)

Salk Institute for Biological Studies

Supervisor: Dr. Sergei Gepshtein. Worked on recovering data from sparse or unusable datasets using nonlinear least squares regression analysis.

 

Featured Open-Source Project

📈 StockForecaster (Aug 2023 — Present)

Project Description

Full-stack stock price prediction platform using LSTM neural networks for 20 trading-day (1 calendar month) forecasting. Features serverless AWS Lambda backend with async request/response architecture, REST API with authentication and rate limiting, and Next.js/TypeScript frontend.

Technical Stack

Python, TensorFlow, AWS Lambda/API Gateway/DynamoDB, Docker, Next.js, TypeScript, React

Highlights

Async ML inference, VADER sentiment analysis, cold start handling, 4.6GB containerized deployment

Live Demo Deployment

Link

 

Other Open-Source Projects

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  1. stockforecaster stockforecaster Public

    Full Stack Stock Price Predictor

    JavaScript 2 1