AB

Work

Systems, decisions, and consequences.

02
DESIGNDELIVEROPERATE

Hotel Rating System

Identity and failure handling across microservices

Several microservices behind one gateway, with Okta handling login and circuit breakers keeping one failure from spreading.

exposed
OAuth flows · API gateway
checks
OIDC token validation · request rate limits
result
authenticated service calls · bounded failure
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03
DESIGNVERIFYOPERATE

Project Management System

Access control for a real-time team app

A team workspace with chat, invites and subscriptions, where every API request is checked against a JWT before it reaches the code that answers it.

exposed
REST endpoints · JWT lifecycle
checks
request-level token validation · role checks
result
bounded project access · real-time team chat
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04
VERIFYDELIVEROPERATE

Mrigtrix

Repeatable recon across networks

A recon tool that collects system details and reports back over a private Tailscale network.

exposed
host metadata · browser context
checks
automated collection · private tunneling
result
repeatable deployment · seven-plus system metrics
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05
DESIGNOPERATE

Rebook

Google Sign-In and live data sync on Android

A native Android marketplace for second-hand books, using Google Sign-In and Firebase for live listing updates.

exposed
mobile identity · listing ownership
checks
Google Sign-In · Firebase Authentication
result
low-friction onboarding · live listing updates
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06
DESIGNVERIFYOPERATE

Article Summarizer

Handling untrusted web content safely

An RSS reader that strips remote HTML down to plain text before any of it reaches a language model.

exposed
RSS input · remote HTML
checks
HTML parsing · content sanitization
result
clean text extraction · real-time summaries
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