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
Full Stack 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 Map
Full Stack Engineer
•
Coding
•
easy
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
#Stacks
#Strings
Full Stack Engineer
•
Coding
•
medium
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals.
#Arrays
#Sorting
Full Stack Engineer
•
Coding
•
medium
Design a data structure that follows the constraints of a Least Recently Used (LRU) cache.
#Hash Map
#Doubly Linked List
#Design
Full Stack Engineer
•
Coding
•
medium
Given an array of strings, group the anagrams together. You can return the answer in any order.
#Strings
#Hash Map
#Sorting
Full Stack Engineer
•
Coding
•
medium
Given a string s, find the length of the longest substring without repeating characters.
#Sliding Window
#Hash Set
#Strings
Full Stack Engineer
•
Coding
•
medium
Given an integer array nums and an integer k, return the k most frequent elements.
#Heaps
#Hash Map
#Bucket Sort
Full Stack Engineer
•
Coding
•
easy
Given the head of a singly linked list, reverse the list, and return the reversed list.
#Linked List
#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.