Swiggy
Leading Indian food delivery aggregator with complex real-time logistics.
4 Rounds
~15 Days
Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Data Scientist
•
Behavioral
•
medium
Tell me about a time you had to work with a highly imbalanced dataset. What techniques did you use and why?
#Imbalanced Data
#SMOTE
#Class Weights
#Evaluation Metrics
Data Scientist
•
System Design
•
hard
How would you design a dynamic surge pricing model during peak hours or bad weather?
#Dynamic Pricing
#Supply and Demand
#Optimization
#Reinforcement Learning
Data Scientist
•
System Design
•
medium
Design a machine learning model to detect promo code abuse by users creating multiple accounts.
#Fraud Detection
#Anomaly Detection
#Graph Neural Networks
#Classification
Data Scientist
•
System Design
•
medium
Design a system to automatically classify customer support chat tickets into categories (e.g., refund, delayed order, missing item).
#Text Classification
#NLP
#LLMs
#System Architecture
Data Scientist
•
System Design
•
medium
Design an ML pipeline to identify and remove duplicate restaurant listings created by partners trying to game the system.
#Entity Resolution
#Fuzzy Matching
#Embeddings
#Clustering
Data Scientist
•
Technical
•
medium
Explain the mathematical difference between XGBoost and Random Forest. Why might one perform better for ETA prediction?
#Ensemble Methods
#Gradient Boosting
#Decision Trees
#Bias-Variance Tradeoff
Data Scientist
•
Technical
•
hard
How would you forecast the daily inventory requirement for perishable goods in a Swiggy Instamart dark store?
#Time Series Forecasting
#ARIMA
#Prophet
#Deep Learning
Data Scientist
•
Technical
•
medium
Explain how you would use NLP to extract and categorize menu items from raw text or images of physical menus.
#NLP
#OCR
#Named Entity Recognition
#Transformers
Data Scientist
•
Technical
•
medium
How do you address the cold start problem for a newly onboarded restaurant in our recommendation system?
#Recommender Systems
#Cold Start
#Content-based Filtering
#Heuristics
Data Scientist
•
Technical
•
hard
Explain the concept of Multi-Armed Bandits. How could Swiggy use this for optimizing banner ads on the app homepage?
#Reinforcement Learning
#Multi-Armed Bandits
#Exploration vs Exploitation
Data Scientist
•
Technical
•
medium
How would you model the probability of a delivery partner accepting an order assignment?
#Classification
#Logistic Regression
#Feature Engineering
#Behavioral Modeling
Data Scientist
•
Technical
•
medium
What loss function would you use for a model predicting the exact preparation time of food at a restaurant, and why?
#Loss Functions
#Regression
#Asymmetric Loss
Difficulty Radar
Based on recent AI-sourced data.
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The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.