Leading technology company specializing in search, cloud, and AI.
4 Rounds
~21 Days
Very Hard
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
Software Engineer
•
System Design
•
hard
Design the block-level file synchronization mechanism for Google Drive. How do you handle concurrent edits offline, minimize bandwidth for large files, and resolve conflicts when the client reconnects?
#Distributed Systems
#Data Synchronization
#Concurrency
#Network Optimization
Software Engineer
•
System Design
•
hard
Design a distributed, highly available rate limiter for Google Cloud APIs. It needs to support millions of requests per second, enforce limits per customer per API, and add minimal latency to the critical path.
#Distributed Caching
#Token Bucket
#Redis
#High Availability
Software Engineer
•
System Design
•
hard
Design the real-time view counter for YouTube live streams. The system must handle massive spikes in traffic (e.g., a Super Bowl stream) and provide eventually consistent view counts to the UI with sub-second latency.
#Stream Processing
#Event Sourcing
#Scalability
#Data Aggregation
Software Engineer
•
System Design
•
hard
Design a distributed web crawler for Google Search. How do you handle DNS resolution bottlenecks, avoid crawler traps, prioritize high-quality domains, and ensure you don't DDoS the target servers?
#Distributed Systems
#Graph Traversal
#Politeness Policies
#Queueing
Software Engineer
•
System Design
•
hard
Design the backend for Google Docs collaborative editing. How do you handle concurrent edits from multiple users offline and online to ensure eventual consistency?
#Operational Transformation
#CRDTs
#WebSockets
#Concurrency
Software Engineer
•
System Design
•
medium
Design a distributed rate limiter for Google Cloud API Gateway that can handle millions of requests per second with minimal latency overhead.
#Redis
#Token Bucket
#Distributed Systems
#Hashing
Software Engineer
•
System Design
•
hard
Design the video recommendation feed for YouTube. Focus on how you would fetch, rank, and serve the recommendations at scale within a 200ms latency budget.
#Machine Learning Infra
#Caching
#Microservices
#Recommendation Systems
Software Engineer
•
System Design
•
hard
Design Google Photos' auto-backup feature for mobile devices. How do you handle intermittent network connectivity, deduplication, and efficient storage?
#Blob Storage
#Checksum
#Mobile Sync
#Resumable Uploads
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.