NLP Engineer
Sber
Russian banking and technology group.
Apr 2025 — PresentBuilt LLM-based multi-agent and RAG systems; the internal BI system reduced data-lookup time by about 60%, and the external Q&A system achieved 85%+ answer relevance.
• Architected and deployed a multi-agent system for the internal BI platform “Navigator” serving 5,000+ employees, implementing a supervisor architecture with specialized agents for dashboard, widget, and document retrieval powered by GigaChat; reduced average data-lookup time by ~60%. • Designed and built a RAG pipeline end-to-end as a solo developer—FastAPI backend, OpenSearch vector store, and retrieval-augmented generation layer (E5 embeddings + GigaChat)—serving as a document Q&A system for external clients with 85%+ answer relevance.
