SaaS & dev tools · Chennai

Zoho.

A suite of 50+ business apps (CRM, Mail, Books, Desk, People) covering sales, marketing, finance and HR, built and hosted in-house.

its questions lean on

console-app machine coding
object-oriented design
choosing data structures
booking and reservation flows
transactions and state

The rounds, as candidates describe them

Aptitude and technical MCQ90 minutes of aptitude and programming-output questions.source ↗
Coding assessmentAbout 3 hours of DSA problems of rising difficulty.source ↗
Advanced programming (LLD)A 3-hour console application with many modules, such as a railway reservation system; output must work for the given inputs.source ↗
Technical interviewsIn-depth discussion, then an HLD round (an online ticket booking platform) with an algorithm question.source ↗
HRPersonal and behavioural round, then package discussion.source ↗

Reported by candidates

From public interview write-ups; each links its source.

Design a Railway Ticket Reservation System (LLD)Low-level design
SQ-11 · IRCTC Tatkal Ticket Booking System →LLD-05 · Design a Movie Ticket Booking System →reported in:LeetCode Discuss · Zoho Corporation MTS, Chennai (2024) ↗GeeksforGeeks · Zoho Interview Experience for Level 2 Software Developer, On-Campus (2023) ↗
Design a Ticket Booking SystemSystem design
SQ-16 · BookMyShow Seat Booking →LLD-05 · Design a Movie Ticket Booking System →reported in:LeetCode Discuss · Zoho Corporation MTS, Chennai (2024) ↗
Design a Call Taxi Booking Application (LLD)Low-level design
SQ-09 · Uber →reported in:LeetCode Discuss · ZOHO Corporation SDE Full Time (2023) ↗GeeksforGeeks · Zoho Interview Set 3, Off-Campus (2025) ↗
Design a Parking LotLow-level design
LLD-01 · Design a Parking Lot →reported in:GeeksforGeeks · ZOHO Interview Experience for SDE, On-Campus (2023) ↗
Design an In-Memory File SystemLow-level design
no lesson for this one yetreported in:GeeksforGeeks · Zoho Interview Experience, On-Campus (2024) ↗
Design an In-Memory Key-Value Store with Transactions (LLD)Low-level design
IP-03 · Design a Distributed Key-Value Store →W05 · DAY 01 · Consistency Models →reported in:GeeksforGeeks · Zoho Interview Experience, Off Campus, Feb 2024 ↗
Design a Library Management SystemLow-level design
no lesson for this one yetreported in:GeeksforGeeks · ZOHO Interview Experience, On-Campus (2025) ↗
Design a Task Manager Application (LLD)Low-level design
no lesson for this one yetreported in:GeeksforGeeks · ZOHO Interview Experience for Fresher 2025, Off-Campus ↗
Design a Support Ticket-Raising Application (LLD)Low-level design
W09 · BOSS · Design a Multi-Tenant Enterprise SaaS Platform →reported in:LeetCode Discuss · Zoho Software Developer, Off-Campus, Chennai (2023) ↗
Implement an In-Memory Cache like Redis in Java (LLD)Low-level design
LLD-02 · Design an LRU Cache →IP-11 · Design a Distributed Cache →reported in:LeetCode Discuss · Zoho Technical Staff, Off Campus, Chennai (2020) ↗
Design Browser History (LLD)Low-level design
no lesson for this one yetreported in:GeeksforGeeks · Zoho Corporation Interview Experience Software Developer (2024) ↗

Likely, from what they build

Our pick, not a report: questions that fit Zoho's products.

Design an Email Service like Zoho MailSystem design
W06 · DAY 01 · Notification Platform — Problem Understanding & High-Level Design →W07 · DAY 02 · Indexing Pipeline →IP-10 · Design a File Sync Service (Dropbox / Google Drive) →
Design a Multi-Tenant CRM PlatformSystem design
W09 · BOSS · Design a Multi-Tenant Enterprise SaaS Platform →W09 · DAY 01 · Tenant Isolation Strategies →W09 · DAY 03 · Data Residency and GDPR →

Study path

Every lesson the questions above point to, once, in order.

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