IBM
Global technology and consulting firm with deep roots in enterprise IT and AI.
3 Rounds
~14 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
•
medium
Design a URL Shortener service like Bitly.
#Scalability
#Hashing
#Databases
Backend Engineer
•
System Design
•
hard
Design a highly available distributed cache.
#Caching
#Distributed Systems
#Consistent Hashing
Backend Engineer
•
System Design
•
hard
Design a centralized log aggregation system for a large-scale microservices architecture.
#Logging
#Microservices
#Message Queues
Backend Engineer
•
System Design
•
medium
Design a scalable notification system that sends Emails, SMS, and Push Notifications.
#Asynchronous Processing
#Message Queues
#Microservices
Backend Engineer
•
System Design
•
hard
How would you design a rate limiter for a public API?
#API Gateway
#Algorithms
#Redis
Backend Engineer
•
System Design
•
hard
Design an e-commerce checkout API process that ensures a customer is never double-charged, even if network timeouts occur.
#Idempotency
#Transactions
#Microservices
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.