Developer focused on trading systems, automation, and full-stack applications. App Academy grad. I like turning ideas into products that solve real problems — from prediction market bots to client websites to mobile fitness apps.
Real projects with real users, real money, and real results. No tutorial clones. Some repos private to protect trading edge.
Production arbitrage bot for Polymarket prediction markets. Scans hundreds of markets in real-time for price inefficiencies, buys both YES and NO outcomes when combined price is under $1.00 to lock in guaranteed profit. Fee-aware execution across sports, political, and crypto markets with dynamic position management and risk controls. My most developed project.
Automated /MNQ futures trading system built for TopstepX prop firm evaluation. Combines key level rejection with a "God setup" cascade pattern detector. Real-time news sentiment filtering, regime-based position sizing, and risk management. Handles real capital.
Cloud-automated swing trading system that runs entirely on GitHub Actions — no server required. Scans a 5-stock watchlist twice daily, enters on MA/VWAP confluence, manages positions with trailing stops, and sends real-time Discord alerts. Backtested 2023-2025 across all tickers.
| Symbol | Return | Win Rate | Max DD |
|---|---|---|---|
| NVDA | +148% | 71% | 9.7% |
| TSM | +61% | 72% | 8.3% |
| TQQQ | +51% | 62% | 9.7% |
| GOOG | +42% | 62% | 8.3% |
| CRM | +22% | 60% | 14.2% |
Personal trading journal tracking live trades, P&L, and strategy notes across futures, stocks, and prediction markets. Built as a web app to log entries, review performance, and stay accountable.
pw: GG123$%
Full marketing website + Google Ads campaign for a DFW tree care company. 43 hand-built pages with 10 geo-targeted city landing pages, 15 service pages, live NWS storm alerts, dark mode, video hero carousel, and a 12-campaign Google Ads architecture with 190+ keywords. Designed to dominate local search.
AI-powered fitness app that unifies workout programming, nutrition tracking, and body composition goals under one intelligent system. The core differentiator: an AI coach that coordinates training and nutrition together, adjusting workouts based on cut/bulk/maintain phases. Built with React Native + Supabase.
Real-time monitoring system that tracks positions and trades of top Polymarket traders. Detects position changes, identifies arbitrage pairs, and pushes Discord alerts for significant moves. Built for edge — knowing what the smart money is doing before the market prices it in.
Women's wellness supplement brand. Designed and built the storefront from scratch — product cards, scroll animations, science-backed ingredient breakdowns, subscription model, and review integration. Targeting the 35+ women's health market with clinically-studied formulations.
E-commerce product discovery tool that combines Google Trends, Amazon competition analysis, Shopify saturation checks, and Reddit sentiment to score product opportunities 0-100. Streamlit web UI for team collaboration. Built to find winning products before they go mainstream.
I reach for whatever solves the problem. Most comfortable in Python and TypeScript.
Professional experience across tech, autonomous vehicles, and esports.
Competed at the highest level across multiple titles. Same drive now goes into building products.
China Nguyen / Equinox (2020)
Spacestation Gaming (2021)
Team Manager — Women's team (2022)
Peaked Challenger — Solo Queue & 5's
Top 16 Collegiate (2015-2016)
Professional Player (2016)
Collegiate Grand Finals — 2nd Place (2016)
(School won the following year)
$5,000+ tournament earnings (2017-2018)
ESEA MDL — Semi-pro (2018)
Peaked Top 5 — Sets 1 & 2 (2019-2020)
Challenger — Every set played
Streamer — 50-100 avg viewers (2 years)
I'm David — a developer based in DFW, Texas. I studied software engineering at App Academy and spend most of my time building things that either make money or solve a problem I personally have.
My background is a mix of automated trading systems (futures, stocks, prediction markets), full-stack web/mobile apps, and client work. I've built bots that handle real capital, websites that rank on Google, and tools that help people make better decisions.
Outside of my full-time role at Waymo, I'm building side projects, at the gym, or on the pickleball court. I believe in shipping fast, learning from real usage, and not overthinking things.
Active /MNQ futures trader. Built two trading bots (swing + intraday) and a private trading journal. Currently working through a Topstep prop firm evaluation.
Former professional Valorant player, top-ranked in League of Legends, TFT, Fortnite, CS:GO, and Heroes of the Storm. Built community tools (Ryze Tracker, TFT Stats Project) during my competitive days. Now I channel that competitive energy into fitness and entrepreneurship.
Researching e-commerce (dropshipping validation framework) and doing client web development. Always looking for the next opportunity.
Open to freelance work, collaborations, and interesting problems.