Cognizant
American multinational information technology services and consulting company.
4 Rounds
~21 Days
Medium
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
Machine Learning Engineer
•
Coding
•
easy
Write a SQL query to find the second highest salary from an Employee table. How would you modify this to find the Nth highest salary?
#SQL
#Subqueries
#Window Functions
Machine Learning Engineer
•
Coding
•
medium
Write a SQL query to calculate a 7-day rolling average of daily sales for a retail client.
#SQL
#Window Functions
#Time Series Data
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.