Yahya E.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Sep 25, 2026.

I build trading infrastructure and quant research systems in Rust, C++, and Python. The kind where data integrity, latency, and reliability matter. Recently: Quant research contractor for a prediction market trading fund Live Rust archiver snapshotting 27,000+ Polymarket markets every 15 min Multi-chain EVM log parser handling 35k+ events per 3-min test Polymarket research: caught data contamination invalidating most existing public findings, built clean alternative pipeline Best at: Quant infra: backtesting, point-in-time data, edge research Real time market data: WebSocket clients, parsers, archivers Multi chain blockchain data: EVM and Solana Rust and C++ for systems, Python for research Stack: Rust, C++, Python, PostgreSQL, ClickHouse, SQLite, Redis, Docker