I applied through a recruiter. I interviewed at PubNub in Jan 2026
Interview
The process was quite smoth.
The hiring manager answer on all my questions.
From tech screening - 90% of the interview interviewer allocated on AI questions, regardless it's not pure AI Engeener position.
Interview questions [1]
Question 1
What's the RAG, What's the difference between Agentic RAG and MCP
