ML ENGINEER / DATA SCIENTIST

Gonchar Daniil

I work on tasks of any complexity and domain

NLP · LLM · RAG

01 / Expertise

Areas of expertise

Corporate RAG systems for search across Confluence, DWH, SQL data marts, PDFs and scans. I separate the offline knowledge pipeline from the online answer flow.

Hybrid retrievalLLM rerankingVersion-aware retrievalContext tighteningSource attribution

I control versions and access, combine dense and sparse retrieval, narrow a broad candidate pool through LLM reranking, and generate answers only from compact context with mandatory source attribution.

Stack

bge-m3 + BM25Qdrant · HNSWQwen3-NextStructure-aware chunkingSchema-aware promptingDocling + EasyOCR

Tool orchestrationStateful workflowsDependency graphsSafe executionEarly stop

NERLayout parsingOCRDoclingEasyOCR

Model servingStreaming pipelinesInference optimizationExperiment trackingDrift monitoring

02 / Projects

The approach, told through real problems

Case 01

CorpGPT Knowledge RAG

Search across Confluence, DWH, SQL, tables and scans.

Case 02

Data Change Analysis Agent

Explain changes in data marts and calculations.

Case 03

Data Incident RCA Agent

Find root causes of data degradations across ETL, releases, SLA and lineage.

Case 04

Document Intelligence Pipeline

Extract data from unstable PDFs, tables and scans.

03 / Testimonials

Words from colleagues and partners

Testimonials from colleagues and partners will appear here once publication is approved.

04 / Contact

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Gonchar Daniil

Areas of expertise

LLM & RAG / CorpGPT

AI Agents

NLP & Document Intelligence

Production ML