Round 1: Hackerrank
Questions:
- 2 DSA (1 Easy + 1 Medium)
- 4 SQL queries (2 Easy + 1 Medium + 1 Hard)
- 10 to 15 MCQs on basic ML concepts, Aptitude, etc.
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.
Round 2: PrespectAI
Questions:
- Math-based Games
- GMAT-based timed assessments
- HR and Behavioral Questions
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.
First Round: Technical
Questions:
- "Tell me about yourself."
- SQL question involving self-join.
- Medium SQL question using Window Functions and aggregate functions like AVG, COUNT.
- Database performance optimization discussion (Sharding).
- DSA questions:
- Sliding Window algorithm (dry run + algo).
- Reversing a LinkedList (Python code).
- Core ML concepts:
- Softmax function
- Gradient Descent
- ReLu activation function
- Statistical concepts:
- Hypothesis testing
- Confidence Intervals
- Standard Error in Sampling
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.
Managerial Round
Questions:
- Basic tech questions (MCQs).
- Discussion on minor project (reinforcement learning):
- Game logic, policies, reward-penalty fine-tuning.
- Correlation matrix and Bellman equations.
- Scenario-based question affecting policy and model's learning.
- Explain any ML algorithm to a 10th-grade student (picked Neural network with ReLu).
- Explain Back-Propagation calculus.
- Questions on:
- Choosing learning rate
- Regularization significance
- Methods of normalization
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.
HR Round: Final
Questions:
- Basic questions on schooling, parents' work, and non-technical interests.
- Situation-based questions on conflict resolution.
- Final questions on relocation and work guidelines.
Candidate's Approach
No approach provided.
Interviewer's Feedback
No feedback provided.
Results:
- Selected for the role as the sole final selection from 300 initial applicants.
- Accepted the offer for a 6-month internship + FTE.