Swiggy.

The rounds, as candidates describe them

1. Online assessmentThree DSA problems.source ↗
2. DSA and fundamentalsOne hour, run by a third-party interviewer; two problems with fully running code, then language fundamentals.source ↗
3. Low-level designOne hour; project deep dive, then a design-and-code problem with questions on data-structure choices.source ↗
4. Hiring managerPast architecture deep dive with HLD and engineering trade-off questions.source ↗

• Design an inventory management system for InstamartLow-level design
  SQ-12 · Blinkit Quick Commerce →W02 · BOSS · The Ultimate System Design Interview →reported in:LeetCode Discuss · Swiggy SDE-2 interview experience (2026) ↗
• Design a warehouse management system for InstamartSystem design
  SQ-12 · Blinkit Quick Commerce →W05 · DAY 02 · Distributed Transactions — The Saga Pattern →W03 · DAY 02 · Transactional Outbox →reported in:LeetCode Discuss · Swiggy SDE-2 interview experience, remote (2025) ↗
• Design a system that assigns drivers to ordersLow-level design
  SQ-17 · Swiggy Food Delivery →IP-13 · Design a Proximity Service →reported in:LeetCode Discuss · Swiggy SDE-1 interview experience (2026) ↗
• Design a coupon-based discount systemLow-level design
  W04 · DAY 01 · Caching Patterns →reported in:LeetCode Discuss · Swiggy SDE-2 interview experience (2024) ↗
• Design a Parking LotLow-level design
  LLD-01 · Design a Parking Lot →reported in:LeetCode Discuss · Swiggy SDE-2 (backend) interview experience (2025) ↗LeetCode Discuss · Swiggy SDE-4 machine coding round, parking lot (2021) ↗
• Design a train ticket booking systemSystem design
  SQ-11 · IRCTC Tatkal Ticket Booking System →LLD-05 · Design a Movie Ticket Booking System →reported in:LeetCode Discuss · Swiggy SDE-2 (backend) interview experience (2025) ↗
• Design a Distributed Job SchedulerSystem design
  IP-17 · Design a Distributed Job Scheduler →W02 · DAY 05 · Distributed Cron & Job Scheduling →reported in:LeetCode Discuss · Swiggy Instamart SDE-1, round 3 (2025) ↗
• Design Snake and LadderLow-level design
  no lesson for this one yetreported in:LeetCode Discuss · Swiggy Instamart SDE-1, round 3 (2025) ↗
• Design SplitwiseLow-level design
  LLD-06 · Design a Bill-Splitting App (Splitwise) →reported in:LeetCode Discuss · Swiggy SDE-2, India (2024) ↗
• Design a cab booking systemLow-level design
  SQ-09 · Uber →IP-13 · Design a Proximity Service →reported in:LeetCode Discuss · Swiggy SDE-2 interview experience, 4 years (2025) ↗
• Design a delivery-partner payout system with offersLow-level design
  IP-20 · Design a Payment System →reported in:LeetCode Discuss · Swiggy SDE-2, remote (2023) ↗
• Design a News FeedSystem design
  IP-07 · Design a News Feed →W04 · DAY 04 · Feed Caching →reported in:LeetCode Discuss · Swiggy system design interview for SDE-3/4 (2022) ↗
• Design book searchSystem design
  W07 · DAY 01 · Search Fundamentals & Architecture →IP-09 · Design Typeahead Search (Autocomplete) →reported in:LeetCode Discuss · Swiggy full-stack SDE-2 interview experience (2025) ↗

• Design a Food Delivery SystemSystem design
  SQ-17 · Swiggy Food Delivery →W06 · BOSS · Food Delivery Order System →W03 · BOSS · Event-Driven Food Delivery Order System →

Study path

An ordered path through the course for Swiggy, and why each step is there.

1. 01W06 · BOSSFood Delivery Order Systemthe whole food-delivery system as an interview
2. 02SQ-09Ubermatching riders and drivers on a map (H3, ETAs)
3. 03IP-13Design a Proximity Servicenearby search: geohash, quadtree, H3
4. 04W06 · DAY 01Notification Platform — Problem Understanding & High-Level Designorder updates by push, SMS and in-app
5. 05W06 · DAY 04Scale, Reliability & Edge Casesnotifications at dinner-time scale
6. 06W05 · DAY 03Saga Orchestration Deep Diveorder → payment → restaurant → rider as one workflow
7. 07SQ-12Blinkit Quick Commerce10-minute grocery delivery (Instamart territory)
8. 08LLD-01Design a Parking Lotmachine coding round warm-up