I applied online. The process took 2 days. I interviewed at Fidelity Investments in Apr 2022
Interview
Case Study-Based Interview. Initially met the panel in groups and the final interview was based on a case study. Was given 1 hr to prepare and come up with answers.
Interview questions [1]
Question 1
Time Series, Exploratory Data Analysis, Modelling and Describing Insights from the analysis. Interpreting plots.
1. What is Learning Rate?
2. Bagging vs Boosting
3. Which metrics do you use to evaluate an LLM?
4. How do you handle overfitting in MLPs?
etc. I got approx 15-20 questions like these.
I applied through college or university. I interviewed at Fidelity Investments (Madras) in Aug 2025
Interview
2 technical 1 hr round. they were looking for people with agentic ai/llm knowledge. 1 python coding questions and resume. what my projects were. what was the dataset dimension etc
I interviewed at Fidelity Investments (Boston, MA)
Interview
30 minute long Recruiter Screen; 30 minute long Technical Screen with coding, probability, statistics questions--lots of SQL-based ones; 1 hour long final round with mix of behavioral and technical. Overall not too hard of a process, but somewhat lengthy.