Middle Data Scientist
Kazakhtelecom JSC
Kazakhstan's national telecommunications operator.
Mar 2025 — PresentBuilt NLP classification and ranking pipelines, monitored LLM outputs, engineered data marts, and developed an OFD analytics platform.
• Built an NLP text classification model (500-class BNS receipt categorizer) for a banking client, reaching Precision/Recall of 0.70–0.75; owned the lifecycle of feature/text preprocessing • Monitored and corrected outputs of an LLM-based agent generating regulatory legal documents, building a systematic error-review process to reduce hallucinated/incorrect content
