EPAM Systems Senior Developer interview questions

Reached through LinkedIn, Total 3 rounds, 2 tech,1 HR - Technical rounds were difficult. Mostly asked about tech mentioned in the resume. RAG, LLM pipelines etc. DSA questions LeetCode Medium. What is the difference between supervised and unsupervised learning? Arrays and Strings (e.g., Longest Substring Without Repeating Characters)Trees and Graph TraversalsDynamic Programming OOPS principles and API design.CI/CD pipelines and the basics of containerization with Docker.