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John Young_

Chief Technology Officer | Full Stack Engineer | Crypto/DeFi Systems Architect

Phone:
202-740-5826
Email:
john.anto.young@gmail.com
Address:
Laurel, Maryland

Nice to meet you_

Entrepreneurial CTO with 10+ years of experience building and scaling financial technology systems. Successfully founded and exited two crypto data startups. Currently leading technical infrastructure at a crypto-native hedge fund, specializing in real-time data pipelines, automated trading systems, and institutional-grade reporting dashboards. Proven track record of translating complex blockchain data into actionable insights for portfolio managers and investors.

Husband to the most beautiful woman in the world. Runner-up in 6th grade spelling bee. Super-nerd.

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Resume_

employment

Combine Capital

2023 - Present

Chief Technology Officer

Architected and built end-to-end data infrastructure for real-time ingestion across multiple EVM chains and centralized exchanges, processing hundreds of thousands of daily events.

  • Developed real-time portfolio tracking system across 50+ DeFi protocols and centralized exchanges
  • Created multi-tier reporting architecture: React dashboards for internal teams, Retool apps for portfolio companies, and custom Google Sheets add-in for direct data access
  • Implemented secure API infrastructure with row-level security, encrypted credential management, and comprehensive audit logging
  • Built automated trading systems with sub-second execution and risk management controls
  • Led technical due diligence for portfolio investments and strategic technology decisions

FRACTAL (Fractal Wealth)

2021 - 2022

Software Engineer

Designed and deployed automated cryptocurrency and DeFi trading strategies.

  • Built backtesting framework processing 5+ years of historical data across multiple exchanges
  • Developed risk management systems with position sizing and drawdown controls
  • Implemented real-time monitoring dashboards for strategy performance and market conditions

Cryptosheets

2018 - 2021

Founder & Chief Technology Officer

Founded and scaled cryptocurrency data platform to 30,000+ active users.

  • Built Microsoft Excel add-in providing real-time crypto market data via custom APIs
  • Designed scalable architecture handling 1M+ daily API requests
  • Led successful acquisition by private buyer within first year of operation
  • Managed product roadmap, technical development, and customer success

Spreadstreet.io

2016 - 2019

Founder & Chief Software Architect

Created Google Sheets integration for cryptocurrency market data.

  • Developed custom functions and real-time data feeds for 500+ cryptocurrencies
  • Built subscriber base of 5,000+ users with recurring revenue model
  • Negotiated and completed successful exit to strategic buyer

Capital One

2010 - 2017

Principal Financial Analyst

Progressive roles: Finance Rotation Program Analyst → Senior Financial Analyst → Principal Financial Analyst.

  • Led cross-functional teams in developing financial models for $1B+ credit card portfolio
  • Built automated reporting systems reducing manual processes by 70%
  • Developed predictive models for customer acquisition and retention strategies
  • Mentored junior analysts and led training sessions on advanced Excel and SQL techniques

education

Towson University College of Business and Economics

2008 - 2010

Bachelor of Science, Finance & Economics (Dual Concentration)

Activities: Towson University Investment Group

Thinkful

2018 - 2019

Engineering Immersion Program

Intensive 6-month program requiring 60-90 hours per week focused on full-stack development with JavaScript, React, Node.js, and PostgreSQL

certifications

StrategyV2 Developer

May 2024

Hummingbot Foundation

Developed trading strategy voted MVP by peers and instructors at demo day presentation

MVP NFT Proof | Certification List (Cohort 7)

general skills

go 100%

python 100%

typescript 100%

sql 100%

solidity 100%

docker/kubernetes 100%

reactjs 100%

nodejs 100%

postgresql 100%

gcp/aws 100%

defi protocols 100%

trading systems 100%

My Projects_

project-img

LLM Orchestrator

A powerful Go CLI application that sends prompts to multiple Large Language Models (LLMs) in parallel and uses a configurable Master Agent to analyze and synthesize responses from OpenAI, Google Gemini, Groq, and Anthropic Claude.

Used stack:

  • Go
  • CLI
  • Anthropic Claude
  • OpenAI GPT-4
  • Google Gemini
  • Groq Llama
  • Parallel Processing
View on GitHub
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Go OHLCV Collector

A robust, production-ready Go library and CLI for collecting and maintaining complete historical OHLCV cryptocurrency market data with automatic gap detection, self-healing capabilities, and pluggable storage adapters.

Used stack:

  • Go
  • CLI
  • DuckDB
  • PostgreSQL
  • Cryptocurrency APIs
  • Time Series Data
  • Data Validation
View on GitHub
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Cryptosheets

Real-time cryptocurrency data platform for Microsoft Excel with 30,000+ active users. Successfully acquired in 2019.

Used stack:

  • ReactJs
  • NodeJs
  • PostgreSQL
  • Excel APIs
  • WebSockets
https://cryptosheets.com
project-img

go-code-2-prompt

A powerful CLI tool for generating LLM prompts from codebases. Features directory traversal, file filtering, Git integration, and token counting.

Used stack:

  • Go
  • CLI
  • Git Integration
  • Template System
  • Token Counting
View on GitHub