I applied through college or university. The process took 1 day. I interviewed at ION Group (Noida) in Jul 2025
Interview
Medium difficulty problems based on puzzles and sql. The selection process will be 3-4 rounds starting with basic coding going up to hr rounds. The first round was cleared by most of the applicants.
Interview questions [1]
Question 1
Puzzle about gumball dispensing machine with a faulty machine
The process was structured, moderately challenging, and primarily focused on problem-solving skills, data structures, and core computer science fundamentals. Interviewers were professional and focused on understanding thought process rather than just final answers.
Interview questions [1]
Question 1
Given an array of integers, find the length of the longest subarray with sum equal to K.
The interview process was really simple if one knows basics of all the concepts. They asked a few questions from language basics and later asked to write a code. later they reviewed and next was case study round
Interview questions [1]
Question 1
What datatype is used for dynamic allocation? arraylist or linkedlist?
OOPS, DSA, Puzzles, Aptitude, DBMS, Projects, OS, COA, TOC, CN, and the interview was very difficult and very very very very hard to crack. There are so many multiple round and they reject you on the basis of case study round