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Swiggy Frontend Engineer Interview Experience

Frontend Engineer

Swiggy
June 18, 2026
18 Questions
Selected

Summary

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The interview process at Swiggy was comprehensive and consisted of five rounds, starting with an online assessment focusing on React and JavaScript, followed by technical interviews that covered system design and machine coding. Candidates can expect a mix of coding and behavioral questions, with a strong emphasis on frontend development and real-time application features. Overall, the difficulty level was medium, showcasing a rigorous assessment of both technical skills and cultural fit for the company.

1

ROUND 1 : Online Assessment (HackerRank)

#1

Implement Infinite Scroll Component

Implement an infinite scroll component in React that handles data fetching and error handling.
react
frontend
Medium
#2

Create Debounced Search Functionality

Create a debounced search functionality in a React application.
react
debouncing
Medium
#3

Design Responsive Grid Layout

Design a responsive grid layout using CSS Grid or Flexbox.
css
frontend
Medium
2

ROUND 2 : Technical Interview – Core JavaScript & React

#1

Implement Custom useDebounce Hook

Implement a custom `useDebounce` hook from scratch for a React application.
react
hooks
Medium
#2

Optimize Rendering for Large Lists

How would you optimize rendering for a list of 10,000+ items in a React application?
react
performance
Medium
#3

Build Real-Time Order Tracker

How would you build a real-time order tracker using WebSockets?
websockets
react
Medium
3

ROUND 3 : Machine Coding

#1

Display List of Restaurants

Display a list of restaurants with filtering and sorting capabilities.
react
list-management
Medium
#2

Implement Cart System

Implement a cart system with real-time price updates.
e-commerce
react
Medium
#3

Add Error Boundaries

Add error boundaries and loading states to improve the user experience.
react
error-handling
Medium
#4

Make Application Responsive

Make the application responsive for mobile devices.
responsive-design
css
Medium
4

ROUND 4 : Frontend System Design

#1

Design Restaurant Page Architecture

Design the frontend architecture for Swiggy’s Restaurant Page with Real-Time Order Updates.
system-design
architecture
Medium
#2

Explain Component Architecture

Explain the component architecture and code-splitting strategy for a large scale application.
react
architecture
Medium
#3

Discuss State Management Approaches

Discuss state management, data fetching, and caching approaches for a frontend application.
state-management
react
Medium
#4

Describe Performance Optimization Techniques

Describe performance optimization techniques and error handling strategies applied in your projects.
performance
optimization
Medium
5

ROUND 5 : HR Discussion

#1

Discuss Career Goals and Expectations

Discuss your career goals and expectations with the interview panel.
hr
career
Easy
#2

Explain Previous Work Experience

Explain your previous work experience and key projects that are relevant to the position.
hr
Easy
#3

Describe Collaboration Style

Describe your collaboration style and approach to teamwork in your past projects.
hr
teamwork
Medium
#4

Understanding Swiggy’s Culture

What is your understanding of Swiggy’s culture and values, and how do you see yourself aligning with them?
hr
culture
Medium
reactjavascriptcssfrontend-designwebsocketsswiggy
A

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