Zepto
SDE 2 Frontend
Zepto's process is lean but intense — 3 rounds focused on deep JavaScript mastery, React machine coding, and cultural fit. Strong emphasis on closures, promises, and prototypes.
30
Total Topics
19
Ready to Study
3
Interview Rounds
30L–40L
Package Range
💡 Zepto-Specific Tips
- • JavaScript deep dive is extremely thorough — curry, compose, promises, closures, prototypes all in one round
- • Machine coding is in React — expect to build interactive components with proper state management
- • Speed matters at Zepto — they value engineers who can ship quickly with quality
- • Know quick-commerce domain — 10-min delivery, inventory management, location-based UX
- • The hiring manager round tests ownership mindset — show examples of initiative and impact
Priority:Must Know (asked 80%+)Frequently Asked (40–60%)Good to Know
Round 1
60–75 min • Conceptual + Live CodeJavaScript Deep Dive
Exhaustive JavaScript round — currying, promises, closures, prototypes, event loop. Implement utilities from scratch.
📖Closures & Scope Chain
Must Know→
📖Promises & Async/Await
Must Know→
📖Prototypes & Inheritance
Must Know→
📖Currying & Partial Application
Must Know→
📖call, apply, bind
Must Know→
📖Polyfills (bind, Promise.all, etc.)
Must Know→
📖JavaScript Runtime & Event Loop
Must Know→
📖Execution Context & Hoisting
Must Know→
💻Implement compose / pipe
Must Knowsoon
💻Implement Promise.allSettled
Frequently Askedsoon
💻Memoization with cache invalidation
Frequently Askedsoon
📖Shallow & Deep Copy
Frequently Asked→
💻Event delegation patterns
Good to Knowsoon
9/13 topics available • 9 must-know
Round 2
75–90 min • Build componentMachine Coding in React
Build interactive React components. Zepto tests toast systems, OTP inputs, and product listing UIs.
📖Machine Coding Fundamentals
Must Know→
🏢Toast / Notification System (auto-dismiss, stack)
Zepto-specificMust Knowsoon
🏢OTP Input Component (auto-focus, paste handling)
Zepto-specificMust Knowsoon
🏢Product Listing with Cart
Zepto-specificMust Knowsoon
🏢Countdown Timer (delivery ETA)
Zepto-specificFrequently Askedsoon
💻Search with debounce + highlight
Frequently Askedsoon
💻Accordion / Collapsible sections
Frequently Askedsoon
🏢Stepper component (order status)
Zepto-specificGood to Knowsoon
📖Hooks (useState, useEffect)
Must Know→
📖Custom Hooks Patterns
Must Know→
📖React Reconciliation & Diffing
Good to Know→
4/11 topics available • 6 must-know
Round 3
45 min • Culture + Technical DiscussionHiring Manager
Mix of behavioural and high-level technical questions. Focus on ownership, speed of execution, and customer thinking.
📖Intro to Behavioural Rounds
Must Know→
📖Going Above and Beyond
Must Know→
📖Handling Tight Deadlines
Must Know→
📖Improving a Process
Frequently Asked→
📖Ambiguous Requirements
Frequently Asked→
📖Failed Project — What You Learned
Good to Know→
6/6 topics available • 3 must-know
See How Others Cracked It
Read real interview questions, solutions, and what interviewers were looking for — from candidates who got the Zepto offer.
Read Zepto Interview Experience →