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
Backend 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. You may assume that each input would have exactly one solution, and you may not use the same element twice.
#Arrays
#Hash Map
Backend Engineer
•
Coding
•
easy
Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.
#Strings
#Stack
Backend Engineer
•
Coding
•
medium
Given an array of intervals where intervals[i] = [starti, endi], merge all overlapping intervals, and return an array of the non-overlapping intervals that cover all the intervals in the input.
#Arrays
#Sorting
Backend Engineer
•
Coding
•
medium
Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order.
#Hash Map
#Heap
#Bucket Sort
Backend Engineer
•
Coding
•
medium
Given a binary search tree (BST), find the lowest common ancestor (LCA) node of two given nodes in the BST.
#Trees
#Binary Search Tree
#Recursion
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.