The question bank.
186 interview questions you can practice out loud, grouped by the topic you’d actually study them under.
- Algorithm84 questionsTalk through the approach, the complexity and the edge cases — no editor, just the explanation an interviewer actually grades.
- System Design50 questionsScope it, name the components, defend the trade-offs, and say what breaks when the store goes down.
- Behavioral52 questionsThe stories about shipping, conflict and failure, told with the structure and the specifics that make them land.
Algorithm
84 questions · 16 topics- Easy
- Medium
- Hard
Arrays & Hashing8
Dynamic Programming8
Graphs8
Trees7
Two Pointers6
Binary Search5
Greedy5
Intervals5
Linked Lists5
Sliding Window5
Stacks & Queues5
Backtracking4
Heaps & Priority Queues4
Bit Manipulation3
Math & Geometry3
System Design
50 questions · 12 topics- Easy
- Medium
- Hard
API Infrastructure5
Search & Indexing5
Social Media5
Storage & File Systems5
Data Infrastructure4
E-Commerce & Payments4
Finance & Aggregation4
Messaging4
URL & Paste Services4
Video & Media4
Coordination3
Behavioral
52 questions · 15 topics- Easy
- Medium
- Hard
Communication & Influence5
Conflict & Disagreement5
Leadership & Influence5
Ambiguity & Problem Solving4
Customer & Impact4
Failure & Learning4
Prioritization4
Teamwork & Collaboration4
Tradeoffs & Decision Making4
Working With AI4
Your Story3
Values & Judgment2
Growth & Learning1
Technical Leadership1
Reading them is the easy part.
Answering one out loud, in ninety seconds, with someone scoring it — that’s the part worth practising.