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Senior Frontend
React, TypeScript, System Design, DSA — senior frontend interview prep. · 4 technologies · 60 min
Start Combo Session
Senior FrontendBeginnerIntermediateAdvancedExpert4 technologies · 60 min
Choose mode, difficulty & questions on the next screen
Difficulty Levels
Beginner
Fundamentals and core concepts. Great for getting started or refreshing basics.
Intermediate
Practical application, common patterns, and real-world problem solving.
Advanced
Deep internals, performance optimization, and architectural decisions.
Expert
Staff+ level. Edge cases, trade-off analysis, and system-level thinking.