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Alexander Domnikov Jr.

AI/ML Engineer • MSCS (AI) @ Georgia Tech

Former investment analyst, now an MSCS (AI) candidate at Georgia Tech. I build AI agents, RAG systems, and ML-powered backend services. Based in LA. Open to AI/ML engineering roles.

Languages

Python
C++
SQL

AI & ML

LangChain
LangGraph
LangSmith
Hugging Face
Groq
XGBoost
scikit-learn
Pandas
NumPy

Infra, Backend, & Tools

Azure
pgvector
DuckDB
PostgreSQL
SQLAlchemy
FastAPI
Docker
GitHub Actions

Personal Projects

Healthcare RAG Agent

Healthcare RAG Agent

3-tool LangGraph RAG agent over CMS Medicare regulations. Hybrid retrieval (pgvector + BM25 fused with RRF) and a BGE cross-encoder reranker achieve 100% routing accuracy and 1.00 Recall@5. Deployed with a FastAPI/SSE streaming backend and an MCP server. Built with Python, LangGraph, pgvector, and FastAPI.

Let's chat!

Los Angeles, CA

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