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Vladyslav ZelinskyiVZ
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Vladyslav Zelinskyi

@vladyslavzelinskyi

AI Engineer at Reply.io who cut production LLM costs with privacy-aware model routing and improved intent classification precision.

Poland
Message

At Reply.io, I built a privacy-aware routing engine that sends public data to open-weight models while keeping sensitive client documents on enterprise providers. I also reworked text analysis into a multi-label system, increasing intent classification precision while maintaining full recall on critical compliance triggers.

At Xedrum, I designed and implemented a multi-stage pipeline that turns unstructured documents into Markdown and RAG-ready records. At SoftServe, I architected an enterprise AI platform combining ReAct agent orchestration with MCP-based RAG, and developed asynchronous FastAPI services for inventory and device monitoring.

Experience

Work history, roles, and key accomplishments

Reply.io logoRE
Current

AI Engineer / Backend Developer

Reply.io

Jun 2026 - Present (5 months)

Reduced LLM inference costs by building a privacy-aware routing engine and improved NLP intent classification precision. Deployed a 6-tier quality audit rubric to minimize hallucinations and accelerate incident resolution.

Education

Degrees, certifications, and relevant coursework

Kharkiv National University of Radio Electronics logoKE

Kharkiv National University of Radio Electronics

Bachelor's degree, Artificial Intelligence

Pursuing a Bachelor's degree in Artificial Intelligence at Kharkiv National University of Radio Electronics.

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