Flipkart
Indian e-commerce giant tackling massive supply chain and scale problems.
4 Rounds
~18 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
Software Engineer
•
System Design
•
hard
Design the backend architecture for Flipkart's Big Billion Days Flash Sale. The system must handle millions of concurrent requests for a highly discounted, limited-inventory product.
#High Availability
#Concurrency
#Caching
#Queueing
Software Engineer
•
System Design
•
medium
Design a Shopping Cart service for an e-commerce platform. It needs to be highly available, handle guest carts merging with logged-in user carts, and support fast reads/writes.
#Database Selection
#Data Merging
#Scalability
Software Engineer
•
System Design
•
hard
Design an Order Management System (OMS) that tracks the lifecycle of an order from placement to delivery. It must handle payment failures, inventory reservations, and status updates.
#Microservices
#Saga Pattern
#Event-Driven Architecture
Software Engineer
•
System Design
•
medium
Design a scalable Notification System that can send SMS, Email, and Push notifications. It must handle rate limiting, prioritization, and third-party vendor failures.
#Asynchronous Processing
#Rate Limiting
#Resilience
Software Engineer
•
System Design
•
hard
Design Ekart's Delivery Routing System. Given a set of delivery agents and a large number of packages, how would you assign packages and calculate the optimal route?
#Geospatial Data
#Optimization Algorithms
#System Architecture
Software Engineer
•
System Design
•
medium
Design a Product Search with Auto-complete functionality. The system must return relevant results in under 50ms and handle typos.
#Elasticsearch
#Trie Data Structure
#Caching
Software Engineer
•
System Design
•
hard
Design a Real-time Inventory Tracking System. How do you ensure that the inventory count is accurate across multiple fulfillment centers while handling high concurrent purchases?
#Distributed Systems
#Consistency
#Database Locking
Software Engineer
•
System Design
•
hard
Design a Clickstream Analytics System to track user behavior on the Flipkart app in real-time. The data will be used for personalized recommendations.
#Data Streaming
#Big Data
#Analytics
Software Engineer
•
System Design
•
hard
How would you design the Payment Gateway Integration service? Ensure that a user is never double-charged, even in the event of network timeouts.
#Idempotency
#Distributed Systems
#API Design
Software Engineer
•
System Design
•
medium
Design a Review and Rating system for products. It should support upvoting reviews, calculating average ratings in real-time, and filtering out spam.
#Data Aggregation
#Caching
#Anti-abuse
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.