Joe Poznanski Systems Atelier

Notes / build log

Notes from the systems atelier.

Short public-safe write-ups about portfolio architecture, publication boundaries, and build decisions. Every entry is rendered from the notes content collection and stays useful without JavaScript.

A Black-Scholes options pricer in Rust, compiled to WASM

How a ~150-line Rust crate becomes a live, in-browser options pricer with sub-millisecond Greeks — without a server round-trip.

  • rust
  • wasm
  • options
Read note

How the portfolio stays useful when the API is offline

A build-log note describing the static-first contract that keeps the portfolio credible when enhanced services are unavailable.

  • static-first
  • resilience
  • Rust API
Read note

Redaction rules for portfolio case studies

A build-log note summarizing the publication safety boundary for case-study evidence.

  • redaction
  • case studies
  • public safety
Read note

Why the portfolio content starts as data, not pages

A build-log note explaining why Phase 1 establishes structured inventory before visual page composition.

  • content model
  • contracts
  • static-first
Read note