Engineering

Pydantic

I used Pydantic to define and validate data schemas across FastAPI services and APIs.

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Stories where it mattered

2026 · TalkingDB document question-answering

Credentials in git history, and rotating keys was not enough

Situation
Reviewing repositories before a host move, I found OAuth client secrets in git history, which ships to anyone who clones.
Task
Make the secrets unreachable, not merely invalid, before the repositories were pushed to their new home.
Action
I cloned bare mirrors, mapped each leaked value to a placeholder, rewrote history with filter-repo, pushed to the new remotes, and documented the exact procedure.
Result
The repositories moved with secrets removed from every commit, and another file with hardcoded credentials was flagged for cleanup.
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2026 · TalkingDB document question-answering

Holding back an accuracy number that would have looked great

Situation
A large reported jump in search accuracy was circulating and was about to become a go-to-market claim.
Task
Check whether the gain was real, since repeated passing results seemed to be counted again across runs.
Action
I raised it plainly, then set a general standard: proposed improvements need a frequency table of failing cases and expected fix share.
Result
The inflated figure never reached a customer-facing claim, and benchmark results are now reviewed against a sheet before approval.
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2026 · TalkingDB document question-answering

Being asked to pull a date forward, and naming the real constraint

Situation
Leadership wanted a cross-product integration delivered sooner because it strengthened the story with channel partners, which I agreed with.
Task
Show that the date was set by available engineering time, not technical complexity.
Action
I agreed with the goal, offered to make time visible through tracked tasks, and named three ways to buy time: delegation, clear ownership, hiring.
Result
The conversation moved from when it can be done to which trade-offs we accept, with the task breakdown as shared evidence.
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2026 · TalkingDB document question-answering

A port that turned out not to be a port

Situation
Search training was to be ported from an older e-commerce AI codebase, and the files looked like a simple lift and shift.
Task
Scope the port properly before committing a sequence of stories others would plan around.
Action
I read the code itself: the crawler was tied to one storefront, so I called for a fresh generic crawl-and-chunk pipeline and resequenced.
Result
The order of work changed without changing the plan, and client-specific code stayed out of the generic package.
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Goes with

PythonFastAPIData ValidationAPI DesignSchema DesignGraphQL

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