angelbarrio.com

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Projects

Placeholder list. We will replace these with your real work.

I'm a private tutor in IB mathematics, physics, computer, and business management, having taught over 150 students over the past 3 years. I love technology, sci-fi, coffee, and martial arts.

Science Fiction

1984

Project Hail Mary

The Culture Series

The Hitchhiker's Guide to the Galaxy

I, Robot

Philosophy

The Last Days Of Socrates

The Art Of Living

Science

The Goal

Biographies

The Autobiography of Benjamin Franklin

Elon Musk

Made in America

Finance

The World's First Stock Exchange

Stocks on the Move

Automated Portfolio Manager

Automated Trading212 portfolio manager. Uses Andreas Clenow's 'Stocks on the Move' Equity momentum strategy. Scans available stocks from Wiki pages for the S&P500, 600, and 400, cross references with tradeable instruments on 212, and rebalances the portfolio weekly.

Video Demo

Skills

Web Scraping and Validation: Wiki universe scans checked against Trading212 availability.
Quantitative Strategy Implementation: Clenow-style Stocks on the Move ranking logic.
Portfolio Rebalancing: Weekly position updates from ranked momentum candidates.
Broker Integration: Trading212 instrument matching and portfolio management workflow.

Autonomous Multi-Account Trading System

Built on a Python-based Twisted reactor, the system uses a non-blocking asynchronous event loop to manage market data ingestion, status updates, and order routing across multiple accounts simultaneously. The strategy utilizes key levels and liquidity concepts in the 30-minute timeframe to generate signals, which are executed with tick-level granularity. It features constant equity updates and rich logging to monitor system status. Currently running 24/7 on a dedicated server, the system maintains internal memory of key levels and order states, allowing for graceful disconnects and restarts. The system is still in use today.

Skills

Asynchronous Architecture: Twisted reactor for non-blocking I/O.
System Reliability: 24/7 uptime with graceful restarts.
Concurrency & State Management: Parallel data streams, order routing, state updates, and in-memory key levels/order states.
Logging & Monitoring: Real-time system health logs.

ACN Backtester: Market Structure Strategy Analyzer

This macOS app analyzes backtest positions for an NQ intraday trading strategy. Users can tune parameters, view trade analytics, and visualize trades across multiple timeframes. I learned about different architectures and deployment implications (by making both x86_64 and arm_64 builds), GitHub Actions, automatic updates, intraday trading logic, and GUI design.

Video Demo

Skills

Multi-Architecture Deployment: x86_64 + arm_64 builds.
Automatic Delivery & Updates: GitHub Actions delivery + updates.
Intuitive UI/UX: Clean UI for trade visualization and strategy analysis.
Cross-Functional Collaboration: Translate discretionary strategies into code with traders.

Blinder: macOS Focus App

This macOS focus app offers user-created focus modes, blocking selected websites and apps with a timer. It taught me basic system calls, stateful background logic, SwiftUI, and the edges of building productivity tooling on macOS.

Video Demo

Skills

System Calls: OS-level app/site blocking.
Background Execution: Stateful logic + timers in macOS background.
Swift/SwiftUI: Apple framework experience.

Quantara: Crypto Screener & Strategy Backtester

My CS50 final project. It allows chart viewing and strategy backtesting across multiple timeframes for all securities listed on Binance. It was a fun introduction to Python GUIs, API requests, and stateful strategy backtests.

Video Demo

Skills

API Integration: Binance REST for real-time/historical data.
Data Modeling: Multi-timeframe display + backtests.
UI/UX: Interactive desktop data visualization.
Data Integrity: Validate API responses vs rendered charts.