PwC

PricewaterhouseCoopers, a multinational professional services network.

4 Rounds ~21 Days Medium

Start Mock Interview

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

All Roles Backend Engineer 6 Cloud Engineer 1 Data Engineer 3 Data Scientist 2 DevOps Engineer 2 Full Stack Engineer 7 Machine Learning Engineer 4 Software Engineer 8

All Topics System Design 8 Algorithms 8 SQL 2 Databases 2 Communication 1 Teamwork 1 Version Control 1 Testing 1

Software Engineer • Coding • medium

Given a list of overlapping tax reporting periods represented as intervals, write a function to merge all overlapping intervals.

#Arrays #Sorting

Practice

Software Engineer • Coding • easy

Given an array of transaction amounts, find two transactions that sum up to a specific flagged fraudulent amount.

#Arrays #Hash Maps

Practice

Software Engineer • Coding • easy

Write a function to validate if a string containing a mathematical formula (with parentheses, brackets, and braces) is properly balanced.

#Strings #Stacks

Practice

Software Engineer • Coding • hard

Given a list of project tasks with dependencies, determine if it is possible to finish all tasks (detect if there is a cycle).

#Graphs #Topological Sort #DFS

Practice

Software Engineer • Coding • medium

Write a program to group an array of transaction descriptions into anagrams to identify potentially duplicated or obfuscated entries.

#Strings #Hash Maps

Practice

Software Engineer • Coding • medium

Given an organizational hierarchy represented as a binary tree, find the lowest common manager (Lowest Common Ancestor) of two employees.

#Trees #Recursion

Practice

Software Engineer • Coding • medium

Given a string, find the length of the longest substring without repeating characters.

#Strings #Sliding Window

Practice

Software Engineer • Coding • medium

You are given an array of integers representing coin denominations and a total amount. Write a function to compute the fewest number of coins needed to make up that amount.

#Dynamic Programming

Practice

Difficulty Radar

Based on recent AI-sourced data.

Meet Your Interviewers

The "Standard" Interviewer

Senior Engineer

Focuses on core competencies, system constraints, and clear communication.

Simulate

Unwritten Rules

Think Out Loud

Always explain your thought process before writing code or drawing architecture.

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