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
•
System Design
•
hard
Design a scalable REST API for a financial reporting dashboard used by enterprise clients. The data is updated nightly but queried heavily during business hours.
#API Design
#Caching
#Database Read Replicas
Backend Engineer
•
System Design
•
medium
Design a URL shortener service (like bit.ly). Focus on the database schema and the URL generation algorithm.
#Hashing
#Database Design
#Scalability
Backend Engineer
•
System Design
•
hard
Design a distributed rate limiter for a public-facing API to prevent abuse and enforce client-tier quotas.
#Distributed Systems
#Algorithms
#Redis
Backend Engineer
•
System Design
•
hard
How would you design a system to process and ingest millions of daily transaction records from various retail clients in different formats?
#Data Ingestion
#ETL
#Event-Driven Architecture
Backend Engineer
•
System Design
•
medium
Design a notification system that sends emails, SMS, and push notifications to users based on system events.
#Microservices
#Asynchronous Processing
#Third-party Integrations
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.