Case studies

Work

Real engineering problems, anonymized — with the reasoning made explicit. Filter by the competency you care about.

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A slow permission-list endpoint, fixed by reading the SQL before optimizing.

An opaque downstream timeout, localized by reading mesh and app logs side by side.

Proving replay rejection end-to-end with a deliberate test matrix.

Remediating CVEs deliberately, without letting a pin fight the framework BOM.

De-risking a sprawling change by freezing the plan before touching code.

Chasing a generic userContext error down to the real, config-level cause.