PwC
PricewaterhouseCoopers, a multinational professional services network.
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
•
System Design
•
hard
Design a scalable document management system for auditing purposes where users can upload, search, and retrieve large PDF files.
#Storage
#Search
#Microservices
#Security
Backend Engineer
•
System Design
•
medium
Design a rate limiter for a public-facing API to prevent abuse from third-party consumers.
#API Gateway
#Caching
#Algorithms
Backend Engineer
•
System Design
•
hard
How would you design a distributed logging and monitoring system for a microservices architecture spanning multiple cloud regions?
#Observability
#Logging
#Distributed Systems
Backend Engineer
•
System Design
•
hard
Design an ETL pipeline that ingests daily transaction files from multiple financial clients, sanitizes the data, and loads it into a data warehouse.
#Data Engineering
#ETL
#Batch Processing
Backend Engineer
•
System Design
•
medium
Design a URL shortening service like Bitly. Focus on the database schema and read/write scaling.
#Hashing
#Database Scaling
#Caching
Backend Engineer
•
System Design
•
medium
A client's e-commerce backend is experiencing database timeouts during peak holiday sales. How would you architect a caching layer to resolve this?
#Caching
#Performance
#Architecture
Backend Engineer
•
System Design
•
medium
Design a notification system that sends email, SMS, and push notifications to users based on audit event triggers.
#Asynchronous Processing
#Microservices
#Third-party APIs
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.