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.
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SQL
Query design, performance tuning, and patterns for financial data — from basic SELECT to complex analytical queries.
queriesanalyticsjoinsaggregations
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APIs & Integration
Building and consuming REST APIs with FastAPI. Authentication, CORS, and connecting systems securely.
RESTFastAPIauthJSON
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Financial Crimes Tech
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.