alexeygrigorev

Data science interview questions and answers

Research into AI engineering interview assignments, take-home challenges, and hiring practices from 2026

The code from the Machine Learning Bookcamp book

Chat with your own data - LLM+RAG workshop

One repository for some of the workshops I'm giving

Code for the "Build Your Own Search Engine" workshop

Home assignments for data science positions

Solution to the Outbrain Click Prediction competition

FTRL-Proximal with python bindings

Closing dataset, all classes

This is your friendly fitness assistant, which is a RAG applications built as a part of LLM Zoomcamp

Minimalistic text and vector search engines that use Scikit-Learn and Pandas

Solution for Avito Duplicate Ads Detection competition

Clothing dataset, 10 classes

Predicting the number of likes an instagram post will receive in 24 hours - winning solution