Senior Backend at L&T Technology Services

BackendSeniorOutcome unknown◆ Commonly asked· 2023

A senior backend hiring drive. Fundamentals over puzzles — OOP, DBMS and SQL carried the most weight.

The loop · 4 rounds

Round 01 · 2 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

Check whether two strings are anagrams.
SeniorEasy◆ Commonly asked
#string
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Matrix operations: transpose and sum of the diagonals.
SeniorMedium◆ Commonly asked
#matrix
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Round 02 · 4 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

Difference between stack and heap memory.
SeniorEasy◆ Commonly asked
#fundamentals
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Explain the static and final keywords in Java.
SeniorEasy◆ Commonly asked
#java
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Difference between an abstract class and an interface.
SeniorMedium◆ Commonly asked
#oops
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What is a deadlock and how do you prevent it?
SeniorMedium◆ Commonly asked
#os
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Round 03 · 2 questions

Hiring Manager

Scope, ownership, and role-fit discussion with the manager.

Which technology stack are you most comfortable with, and why?
Senior◆ Commonly asked
What would you do if you disagreed with your project lead?
Senior◆ Commonly asked

Round 04 · 3 questions

Behavioral / HR

Values, collaboration, and past-experience (STAR) questions.

Would you be comfortable working on any technology assigned to you?
Senior◆ Commonly asked
Where do you see yourself in five years?
Senior◆ Commonly asked
Tell me about your final-year project.
Senior◆ Commonly asked

◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.