Few technical question on C#. I was asked about OOP concepts. There were question on microservices. For cloud, I was asked on Azure B2c. then I was asked a coding problem.
Interview questions [1]
Question 1
Given a string s, find the length of the longest
substring
without repeating characters.
Example 1:
Input: s = "abcabcbb"
Output: 3
Explanation: The answer is "abc", with the length of 3.
Example 2:
Input: s = "bbbbb"
Output: 1
Explanation: The answer is "b", with the length of 1.
Example 3:
Input: s = "pwwkew"
Output: 3
Explanation: The answer is "wke", with the length of 3.
Notice that the answer must be a substring, "pwke" is a subsequence and not a substring.
Constraints:
0 <= s.length <= 5 * 104
s consists of English letters, digits, symbols and spaces
I applied through a recruiter. The process took 4 weeks. I interviewed at LTM Limited (Chennai) in May 2026
Interview
Round 1: Virtually conducted and focus on Power BI only(No SQL qns)
Round 2: Phone call interview (20 mins)
Round 3: Will be conducted at office, F2F. I hope all the rounds will focus on PBI only without SQL
It was okish, and the DSA questions were of easy to mid level and most of was in the onsite. And the entire hiring process was also quick and completed within 2.5 weeks
Initial Interview: A one-on-one meeting with the hiring manager to discuss qualifications, experience, and role alignment.
Assessments & Technical Rounds: Candidates may complete assignments, such as coding challenges, case studies, or presentations, to demonstrate practical skills.