Interview Experience I recently went through a smooth interview process that lasted about two weeks, consisting of five rounds. Here's an overview of each round: Round 1: HR Round The HR round was a straightforward conversation that covered: - Salary expectations - Location preferences - Current job role Round 2: Team Round 1 (Director) In this round, I had a discussion with the Director, which included: - Project discussions - A deep dive into recent projects and methodologies (difficulty level: simple-moderate) Round 3: Team Round 2 (Behavioral) This round focused on behavioral questions, assessing: Ownership, Openness, Optimizing (difficulty level: simple-moderate) Round 4: Team Round 3 (ML Technical) The ML Technical round was more challenging (moderate-hard), covering: - System design for churn rate using logistic regression technology stack - LLM experience - Transformer architecture - Self-attention mechanism Round 5: Team Round 4 (Data Science) The final round was the most challenging (hard), focusing on: - Efficient database storage: - Sharding, Caching, Hashing, Sharding on hashing - Monitoring time series models: - Forecasting and confidence intervals - Time series efficient train-test-split Overall, the interview process was well-structured, and I appreciated the opportunity to showcase my skills and experience.