AK / PORTFOLIOWork

01 / Work

Built for
the real
world.

Six systems shaped by actual constraints: private data, enterprise scale, accessibility, developer friction, and the occasional unreasonable idea.

2025—2026MAQ + independent

Selected systems / 06

Filter systems6 / 6 visible
  1. RateLab / limiter corePOST /api/check
    FIXEDSLIDINGTOKENLEAKY
    REQUEST STREAM
    12
    DECISION429retry-after: 2s

    01 / Distributed systems lab

    4 algorithms

    Rate limits, under load

    RateLab injects steady, bursty, and random traffic into deterministic limiters, then exposes every allow, deny, quota, retry clock, latency, and HTTP 429 decision in one inspectable interface.

    • React
    • TypeScript
    • Vite
    • Fastify

  2. copilot / instruction

    Add revenue to the chart and sort descending.

    chat → schema → visual

    02 / Developer infrastructure

    Chat → PBIX

    Power BI, directed by chat

    An MCP surface over Power BI Desktop's report internals — add fields, rename columns, and reshape visuals from Copilot without opening the PBIX by hand.

    • Python
    • MCP
    • Power BI Desktop
    • TMSL / PBIX
  3. ship change
    point / describe / prompt

    03 / Developer tool

    7 IDEs

    Point. Prompt. Ship.

    Point at any element in your React dev server, describe the change in plain language, and vibefix ships a prompt — with the exact file, line, and expanded Tailwind classes — straight into Copilot Chat's Agent mode. No browser extension. No copy-paste. Published to npm.

    • TypeScript
    • Vite
    • React
    • Node.js

  4. AA

    contrast report
    12.4:17.8:1

    04 / Accessibility

    +12% retention

    CertyFast, made accessible

    A full-stack accessibility pass on CertyFast — React on the surface, .NET / C# and SQLite underneath — that lifted user retention 12% along the way.

    • React
    • .NET / C#
    • SQLite
    • WCAG 2.1 AA

  5. contributions / spatialized

    05 / Creative engineering

    WebGPU

    Git City

    Three.js + React Three Fiber, WebGL2 → WebGPU. Each developer becomes a procedurally-generated tower — floors are months, windows are daily commits, district placement is activity tier. In architecture and prototype phase.

    • Three.js
    • React
    • TypeScript
    • Node.js
  6. DOCSEMBEDFAISSANSWER

    local models / private corpus

    06 / Open source

    Local-first

    RAG without the cloud

    Point it at a markdown corpus, get a persistent vector store and a chat CLI. Same commands whether you're on OpenAI, Ollama, or a local HuggingFace model. Built for teams that want RAG without shipping their docs to a SaaS.

    • Python
    • sentence-transformers
    • OpenAI
    • Ollama

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