● Open to interesting problems
Nelson Koskela
Software Engineer II at JPMorgan Chase & Co. · Houston, TX
Building trading tools, pipeline visualizations, and network diagnostics on the side.
Python
Flask
PostgreSQL
Redis
SQLAlchemy
Socket.IO
Docker
JavaScript
Background
By the numbers
2021–
JPMorgan Chase & Co.
6
Shipped side projects
Real
Postgres and Redis
100%
Built and documented solo
Built on my own time
Featured projects
These run against live data and real infrastructure. No mock backends.
Trading Simulator / PnL Tracker
A shared public trade book. Open a simulated stock or option position and watch the PnL move against live market data.
Open
QR Quant Company Scorer
Scores a company on valuation, leverage, growth and profitability from SEC EDGAR filings and market data, then backtests whether the score predicted anything.
Open
Pipeline World
Submit a character and watch it move through a real queued pipeline (validate, test, build, deploy) in a top-down world. Every run is logged and queryable on the analytics page.
Open