Amazon Mock Interview Practice | Leadership Principles + DSA

📌 About Amazon Interviews

Amazon interviews are unique because of the Leadership Principles (LPs). Every behavioural question ties back to one or more LPs. Technical rounds test DSA and OOP, while a special 'Bar Raiser' round assesses cultural fit independently of the hiring team.

🔄 Interview Rounds

🧠

Online Assessment (OA)

2 coding questions in 90 min on HackerRank. Focus: arrays, trees, greedy, and dynamic programming.

💻

Technical Phone Screen

DSA + OOP round. Expect medium LeetCode problems and questions on class design.

🏗️

System Design

Design Amazon-scale systems: order management, recommendation engine, delivery tracker.

⭐

Bar Raiser Round

Culture + leadership round with an interviewer outside your team. LP-heavy with deep STAR stories.

📚 Key Topics to Prepare

Arrays & HashMaps

Trees & BST

Dynamic Programming

OOP & Class Design

System Design (LLD + HLD)

16 Leadership Principles

SQL Joins & Aggregation

STAR Stories

💡 Expert Tips

1
Prepare 2 STAR stories for each of the 16 Leadership Principles.
2
Amazon loves 'Ownership' — show examples of going beyond your role.
3
For OA, practice Amazon-tagged LeetCode problems (Medium difficulty).
4
In system design, always ask clarifying questions before diving in.

❓ Frequently Asked Questions

What are Amazon Leadership Principles? ▼

16 core values like Customer Obsession, Ownership, Invent & Simplify. Every behavioural question maps to one.

What is the Amazon Bar Raiser? ▼

A senior Amazonian from a different team who independently assesses if you raise the bar. They have veto power.

How long is the Amazon interview process? ▼

Typically 2–4 weeks: OA → phone screen → 5–6 onsite loops (now mostly virtual).

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🔗 Also Practice

Amazon Interview Preparation

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