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
Frontend Engineer
•
Coding
•
medium
Write a polyfill for `Function.prototype.bind`.
#Polyfills
#this keyword
#Closures
#Arguments
Frontend Engineer
•
Coding
•
hard
Write a function to deeply clone a JavaScript object. Ensure it handles circular references, Dates, and Arrays correctly.
#Recursion
#Memory Management
#Object Manipulation
Frontend Engineer
•
Coding
•
medium
Implement an Event Emitter class in JavaScript with `on`, `off`, `emit`, and `once` methods.
#Design Patterns
#Pub/Sub
#Classes
Frontend Engineer
•
Coding
•
medium
Write a JavaScript function to flatten a deeply nested object. Keys should be concatenated with a dot (e.g., `user.address.city`).
#Recursion
#Object Manipulation
#Data Structures
Frontend Engineer
•
Coding
•
medium
Implement a polyfill for Promise.all(). How would you handle a scenario where one of the promises rejects?
#Promises
#Asynchronous JavaScript
#Polyfills
Frontend Engineer
•
Technical
•
medium
Explain the Event Loop in JavaScript. What is the difference between the microtask queue and the macrotask queue? Give an example of each.
#Event Loop
#Concurrency Model
#V8 Engine
Frontend Engineer
•
Technical
•
easy
Explain the concept of closures in JavaScript. Provide a practical use case where closures are essential.
#Closures
#Scope
#Memory
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.