Amazon Staff Interview Guide
Published July 22, 2026 · Updated July 22, 2026
Evidence-backed preparation playbook for Amazon Staff interviews. 31 reported questions, top topics, difficulty breakdown, and a free assessment.
5-9 years
Most reported exp
Rounds reported
System Design 18qScreening 11qTechnical 1qHR 1q
Topics most frequently reported
✓System Design / Scheduler
2 questions · 6%
✓System Design / Distributed Systems
2 questions · 6%
✓DevOps / Service Mesh
2 questions · 6%
·DSA / Graphs
1 question · 3%
·SQL / Schema Design
1 question · 3%
·System Design / Social Media
1 question · 3%
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Top Questions — Ranked by Community Votes
These 6 questions appeared most in Amazon Staff reports. Master these first.
Amazon
Hard
System Design round
5-9 years
Design a database schema for an e-commerce platform that handles flash sales. During a flash sale, 10,000 users try to buy the last 100 units simultaneously. Your schema must prevent overselling. Show the schema and the critical query.
↑ 84 upvotes · 52 engineers asked this · Staff
Amazon
Hard
System Design round
5-9 years
Design a hotel booking system. Rooms must not be double-booked. Searches should show real-time availability. Handle 10,000 concurrent booking attempts for popular dates.
↑ 83 upvotes · 11 engineers asked this · Staff
Amazon
Hard
Screening round
5-9 years
What is the Saga pattern in microservices? When would you choose choreography over orchestration?
↑ 83 upvotes · 31 engineers asked this · Staff
Amazon
Hard
Screening round
5-9 years
What is a sidecar proxy and how does it work in service mesh architecture?
↑ 83 upvotes · 11 engineers asked this · Staff
Amazon
Hard
Screening round
5-9 years
What is a service mesh and what problem does it solve that a regular load balancer doesn't?
↑ 82 upvotes · 50 engineers asked this · Staff
Amazon
Hard
System Design round
6-10 years
Design a distributed job scheduler like AWS Batch. Jobs have dependencies (job B starts only after job A completes). The system must handle 100K jobs per day.
↑ 80 upvotes · 8 engineers asked this · Staff
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Frequently asked questions
How hard is the Amazon Staff interview?
Mostly Hard difficulty based on 31 reported questions. Most questions cover System Design / Scheduler, System Design / Distributed Systems, DevOps / Service Mesh.
What topics does Amazon ask Staffs?
Top reported topics: System Design / Scheduler (2 questions), System Design / Distributed Systems (2 questions), DevOps / Service Mesh (2 questions), DSA / Graphs (1 questions), SQL / Schema Design (1 questions).
How many rounds does Amazon have for Staff?
Reported rounds: Technical, System Design, Screening, HR.
What experience level does Amazon hire Staffs at?
Most reported: 5-9 years and 6-10 years.