Swiggy

Leading Indian food delivery aggregator with complex real-time logistics.

4 Rounds ~15 Days Hard

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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

All Roles Backend Engineer 7

All Topics System Design 10 Algorithms 7 Low-Level Design 7 Backend Core 3 Culture Fit 2 Data Structures 2 Architecture 2 Leadership 1

Backend Engineer • Coding • hard

Machine Coding: Design and implement an in-memory Food Delivery System. It should support adding restaurants, updating menus, placing orders, and assigning the nearest delivery agent.

#Object-Oriented Design #Design Patterns #Concurrency

Practice

Backend Engineer • Coding • medium

Machine Coding: Design a Promo Code / Coupon Engine. Support rules like flat discount, percentage discount, maximum cap, and user-specific usage limits.

#Strategy Pattern #Rule Engine #OOD

Practice

Backend Engineer • Coding • medium

Machine Coding: Design a Splitwise-like application for splitting food bills among friends with exact, percentage, and equal split strategies.

#OOD #Algorithms #Design Patterns

Practice

Backend Engineer • Technical • medium

Low-Level Design: Design a thread-safe database connection pool from scratch.

#Concurrency #Multithreading #Resource Management

Practice

Backend Engineer • Technical • medium

Low-Level Design: Design an elevator system for a multi-story building that optimizes for minimum wait time.

#State Machine #Algorithms #OOD

Practice

Backend Engineer • Technical • hard

Low-Level Design: Design a distributed task scheduler that can execute tasks at a given time or periodically (similar to Quartz).

#Priority Queues #Concurrency #Distributed Systems

Practice

Backend Engineer • Technical • hard

Low-Level Design: Design a wallet system where users can add money and pay for orders. Ensure ACID properties are maintained.

#Database Design #Transactions #Concurrency

Practice

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Simulate

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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