Deloitte
Multinational professional services network with offices in over 150 countries.
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
Software Engineer
•
Coding
•
easy
Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.
#Arrays
#Hash Table
Software Engineer
•
Coding
•
easy
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
#Strings
#Stacks
Software Engineer
•
Coding
•
medium
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals.
#Arrays
#Sorting
Software Engineer
•
Coding
•
easy
Write a function to reverse a singly linked list.
#Linked Lists
#Pointers
Software Engineer
•
Coding
•
medium
Given an array of strings, group the anagrams together. You can return the answer in any order.
#Strings
#Hash Table
#Sorting
Software Engineer
•
Coding
•
medium
Find the length of the longest substring without repeating characters.
#Strings
#Sliding Window
#Hash Table
Software Engineer
•
Coding
•
easy
Given a string, find the first non-repeating character in it and return its index. If it does not exist, return -1.
#Strings
#Hash Table
Software Engineer
•
Coding
•
medium
Implement a method to perform basic string compression using the counts of repeated characters (e.g., aabcccccaaa becomes a2b1c5a3).
#Strings
#Two Pointers
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.