Level 2
Staff Engineer Track
Lead technical initiatives across teams. Design systems that span multiple domains and mentor others on architectural thinking.
Key Skills
Cross-team architectureTechnical leadershipSystem integrationPerformance optimizationTechnical debt managementDesign reviews
5
Total Problems
0
Easy
5
Medium/Hard
0
Expert
Hard Level
(4 problems)Design Google Maps
hardDesign a mapping and navigation service like Google Maps with features like map rendering, directions, and real-time traffic.
60 min
mapsroutinggeospatialgraph-algorithms
Design a Payment System
hardDesign a payment processing system like Stripe or PayPal handling transactions, refunds, and fraud detection.
60 min
paymentstransactionsledgerfraud-detection
Design a Distributed Cache
hardDesign a distributed caching system like Redis or Memcached that can handle millions of requests per second.
45 min
cachingdistributed-systemsconsistent-hashinglru
Design Google Docs
hardDesign a real-time collaborative document editing system like Google Docs supporting multiple concurrent editors.
60 min
collaborationreal-timeotcrdt