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
Data Scientist
•
System Design
•
hard
Design an end-to-end document extraction system using Generative AI and RAG to pull key clauses from thousands of PDF vendor contracts.
#NLP
#RAG
#LLMs
#Vector Databases
#OCR
Data Scientist
•
System Design
•
medium
Design a churn prediction pipeline for a telecommunications client. How do you ensure the model's predictions are actionable for their marketing team?
#Classification
#Pipeline Design
#Actionable Insights
#SHAP
Data Scientist
•
System Design
•
medium
Design a recommendation engine for a wealth management firm to suggest investment products to high-net-worth individuals.
#Recommendation Systems
#Collaborative Filtering
#Cold Start Problem
Data Scientist
•
System Design
•
hard
Design an anomaly detection system for a client's IT network to identify potential cybersecurity breaches in real-time.
#Anomaly Detection
#Streaming Data
#Kafka
#Unsupervised Learning
Data Scientist
•
System Design
•
hard
Design a system to match millions of incoming bank transactions to open invoices in an ERP system to automate account reconciliation.
#Record Linkage
#Optimization
#ERP
#Heuristics
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.