THE PROBLEM
Why this system existed
Model quality alone was not enough; downstream applications required stable contracts, monitored behavior, and predictable failure states.
Transformers · Classification · APIs
Document classification and sentiment capabilities designed as measurable application services with reproducible preprocessing and operational monitoring.
THE PROBLEM
Model quality alone was not enough; downstream applications required stable contracts, monitored behavior, and predictable failure states.
OUTCOME
Converted model experimentation into dependable features for large-scale enterprise applications.
REFERENCE ARCHITECTURE
DECISIONS
FAILURE CASE
Aggregate accuracy hid weak performance on minority classes. Slice-level evaluation exposed and corrected the issue.
SECURITY BOUNDARY
This case study exposes patterns, not employer architecture. It uses synthetic data, no client identifiers, no internal prompts, no proprietary datasets, and no production endpoints.
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