Enrique O.

Senior software engineer and cybersecurity professional

I ship secure software, from typesetting engines to Apple TV.

Airmark memo editor: the subject and a paragraph change and the typeset preview updates live.
Airmark · 50,000+ Air Force users

Work

  • Airmark: structured memo fields on the left, the typeset memo on the right.

    Airmark

    • Shipped

    Official Air Force correspondence, formatted in the browser.

    50,000+ Air Force users · ATO · Handles CUI

    Core developer. With the Tongue to Quill team

    SvelteKit · TypeScript · Typst · Docker

  • quillify

    • Shipped
    • Open source

    Turns published PDF forms into fillable templates, in the browser.

    Converts most Air Force forms with every field in place.

    npm i @quillmark/quillify

    Architect and lead developer

    TypeScript · WebAssembly · pdf.js

  • fletch console: a government form fills while API requests stream in.
    Terminal: the fletch status endpoint reports a read-only root, no new privileges and a seccomp filter.

    fletch

    • In development

    An API that fills a government form and returns a signable PDF.

    Converts in sandboxed Chromium, network blocked.

    Lead developer

    TypeScript · Chromium · SQLite · Docker

  • PNGres inspector: the cover image, an identical-looking shard, and its low bits revealing the hidden file.

    PNGres

    • Open source

    A deliberately impractical file store hidden in pictures of a monkey.

    Streams video straight out of the PNGs.

    Solo

    Rust · BLAKE3

  • Dewline

    • In development

    A native Mac markdown editor for files agents also edit.

    Built to snapshot before any outside write.

    Solo

    Swift · AppKit · Rust

  • Penpal on a phone: the mentorship headline and the find-a-mentor button.
    Think Tank on a phone: the research path graphic and the join-a-cohort button.

    DAF CGOC

    • Shipped

    Sites for a council of 47,000+ junior officers.

    Sole developer of Penpal, live since August 2026.

    Deputy Technology Director (volunteer)

    JavaScript · Firebase · GitHub Pages

Also

Writing

Education

  • B.S. Computer Science and Cyber ScienceU.S. Air Force Academy, 2025
  • MSc Countering Extremist Crime and TerrorismUniversity College London, in progress
  • CompTIA Security+

Stack

  • Rust
  • TypeScript
  • Swift
  • Python
  • SvelteKit
  • SwiftUI
  • WebAssembly
  • Typst
  • Cloudflare Workers
  • Firebase
  • Docker
  • Terraform

Have a project or a question? Write.

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