Code

Coding Guides

Practical guides written from the field — built around real problems in data, investigations, and software development.

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Python

From scripting and automation to data pipelines and investigation tooling. Practical Python built around real-world problems.

scriptingautomationpandasdata pipelines

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Query design, performance tuning, and patterns for financial data — from basic SELECT to complex analytical queries.

queriesanalyticsjoinsaggregations

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Building and consuming REST APIs with FastAPI. Authentication, CORS, and connecting systems securely.

RESTFastAPIauthJSON

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Technical patterns and tooling for AML, fraud detection, and investigative workflows at scale inside a financial institution.

AMLfrauddata engineeringcompliance

Guides are added continuously from active development work. Built from the trenches — not from a textbook.