Olayinka David Vaughan

MARL economy · live shared mainframe

Multi-Agent Reinforcement Learning desktop environment for decentralized economic simulation. PPO-trained agents discover pricing, wage-setting, and consumption strategies inside a glassmorphic OS-style dashboard.

Cluster: quant. Stack: Python, PettingZoo, PPO, FastAPI, WebSocket.

• Live: https://econ-os.vercel.app
• Repository: https://github.com/Builder106/EconOS

~18M orders/sec · p99 < 1µs

High-performance limit-order-book matching engine in OCaml 5. Allocation-free per-submit hot path, ~18M orders/sec, p99 latency under 1μs. Dream HTTP + SSE backend with a Bloomberg-terminal-style browser dashboard.

Cluster: quant. Stack: OCaml, Dream, Docker, Tailwind, Oracle Cloud.

• Live: https://ocaml-lob.vercel.app
• Repository: https://github.com/Builder106/ocaml_limit

Neural net in ~2k LoC C99 · zero deps

A neural network built from scratch in C99 — no TensorFlow, no PyTorch, no dependencies. Trains on market data, runs a DQN trading agent that outperforms buy-and-hold, ships as a WebAssembly demo.

Cluster: quant. Stack: C99, WebAssembly, Emscripten.

• Live: https://qforge-neural.vercel.app
• Repository: https://github.com/Builder106/qforge

123 tests passing · NGO ↔ volunteer marketplace

A micro-volunteering marketplace pairing NGOs with volunteers for 5–30 minute skill-building tasks. Volunteers browse the feed, claim missions, submit proof, and earn badges. NGOs post tasks and review submissions.

Cluster: SWE. Stack: SvelteKit, Appwrite, Bun, TypeScript, Tailwind.

• Live: https://trymicromatch.vercel.app
• Repository: https://github.com/Builder106/MicroMatch

Live applicant flow · Nigeria's STEM scholars

Web platform for STAIJA's StepUp Scholars and Dynamerge programs — applicant tracking, mentorship workflow, and public content for Nigeria's STEM students. Application management, role-aware routing, and Mailgun-backed comms.

Cluster: SWE. Stack: Vue 3, TypeScript, Firebase, Tailwind, Vite.

• Live: https://staija.org
• Repository: https://github.com/Builder106/STAIJA

Focus → plants → leaderboard

A study tracker that turns focus sessions into a growing garden. Run a focus timer, log sessions toward a daily goal, watch plants grow over time, and compare streaks on a public leaderboard.

Cluster: SWE. Stack: Deno 2, React, TypeScript, Vite, Supabase.

• Live: https://getstudysprint.vercel.app
• Repository: https://github.com/Builder106/StudySprint

16,203 trades · +2.58% alpha (p < 0.05)

End-to-end Python pipeline auditing 16,203 disclosed Congressional stock trades from 2020–2024. Scrapes Senate and House Periodic Transaction Reports with Playwright + pdfplumber, computes Jensen's alpha against the S&P 500, and ships a Vercel findings page. Semester project for Wesleyan's QAC 420 — Data for Good.

Cluster: analyst. Stack: Python, Playwright, pdfplumber, pandas, scipy, Jupyter.

• Live: https://capitolalpha.vercel.app
• Repository: https://github.com/Builder106/CapitolAlpha

3× ED-visit odds · n = 58,639 patients

ASA DataFest 2026 submission for Stormont Vail Health. R + DuckDB pipeline on a 7.6M-row EHR sample joined to a social-determinants questionnaire — patients reporting a transportation barrier show ~3× crude odds of ED visits and inpatient admits, independent of age. Wesleyan team 13.

Cluster: analyst. Stack: R, DuckDB, data.table, ggplot2, Flourish.

• Live: https://datafest-2026.vercel.app/
• Repository: https://github.com/Builder106/datafest-2026

Phoronix Test Suite · monthly CI captures

A benchmarking dataset and Rails 8 dashboard comparing Ubuntu, Fedora, and Debian under identical virtual hardware. Phoronix runs are captured monthly by GitHub Actions; R parsers and the dashboard consume the same composite XML, so the static analysis and the live UI never drift.

Cluster: analyst. Stack: Ruby on Rails, R, Phoronix Test Suite, GitHub Actions, Docker.

• Repository: https://github.com/Builder106/LinuxBenchHub