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Work experience

AI engineer

from 05.2022 to now (4 years 4 months)
B&S, Groningen (Оптова торгівля, дистрибуція, імпорт, експорт)

* Developed AI agents and multi-agent systems in Python using LLMs, OpenAI API, RAG, and GraphRAG to automate business processes and enable enterprise knowledge search.
* Designed agentic workflows and LLM orchestration, integrating Knowledge Graphs (Neo4j, Cypher), web search, enterprise data, external APIs, and business tools.
* Built a production-ready GraphRAG pipeline featuring a custom multi-level hierarchical parser (regex-based hierarchical parsing), semantic chunking, LLM-based entity extraction, Knowledge Graph construction, and graph-based retrieval.
* Designed LLM pipelines, prompt engineering, function calling, and structured JSON outputs, optimizing retrieval quality while reducing token consumption.
* Integrated OpenAI API into enterprise AI applications and workflow automation solutions.
* Developed ETL pipelines and Python tools for data transformation, validation (Data Quality), and integration across SQL Server, Snowflake, and external data sources.
* Built advanced web scraping solutions with HTML parsing, automated data enrichment, and bot detection bypass to support AI agents and knowledge ingestion.
* Designed statistical algorithms for feature engineering, interpolation, and Gaussian smoothing to improve forecasting model input quality.
* Developed a statistical Packaging Material Attribution Engine capable of estimating packaging composition and weight for hundreds of thousands of products using heterogeneous enterprise datasets.
* Designed Data Quality algorithms for anomaly detection, consistency validation, and statistical analysis, and developed scalable SQL Server databases, stored procedures, and data integration pipelines.

Tech Stack

Python • AI Agents • Multi-Agent Systems • LLM • OpenAI API • RAG • GraphRAG • Prompt Engineering • LLM Orchestration • Function Calling • Knowledge Graphs • Neo4j • Cypher • SQL • T-SQL • SQL Server • SSMS • Snowflake • ETL • Data Integration • Data Quality • Pandas • NumPy • Machine Learning • Statistical Analysis • Feature Engineering • Forecasting • Web Scraping • HTML Parsing • Regex • JSON • REST API • Power BI • Excel • Git

Education

Rijksuniversiteit Groningen

FEB, Groningen
Higher, from 2018 to 2021 (3 years)

Knowledge and skills

• OpenAI
• Multiagentic
• Agentic system
• Graph database
• GraphRAG
• Parsing
• Rag
• Teaching English for IT
• SSMS
• MS Power BI
• MS Excel
• T-SQL
• Marketing analysis
• Business analysis
• ML
• AI prompting
• AI engineering
• IBM SPSS Statistics
• Sales forecasting
• Data analysis
• Llm agents
• VS Code
• Python
• MS SQL Server
• SQL
• Працьовитість
• Оптимізація бізнес-процесів
• Неконфліктність
• Адаптивність
• Користувач ERP-системи
• Постановка задач
• Дисциплінованість
• Чесність
• Доброзичливість
• Здатність до навчання
• AI literacy
• Embeddings
• Claude API

Language proficiencies

• English — fluent
• Ukrainian — fluent
• Dutch — average