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Amazon Data Analyst (Staff Level) Interview Preparation Guide

Data Analyst
Amazon
Staff
6 rounds
Updated 6/19/2026

Amazon's Data Analyst interview process for Staff level includes a recruiter screening call, a technical assessment, and a comprehensive final round consisting of four on-site interviews that evaluate advanced technical SQL skills, strategic case study solving and business analytics, analytics systems design thinking, and behavioral alignment with Amazon Leadership Principles. The entire process is designed to assess your ability to lead complex analytics initiatives, mentor team members, architect analytics solutions, and drive strategic business decisions through data.

Interview Rounds

1

Recruiter Screening

2

Technical Assessment

3

Technical Interview - Advanced Analytics and SQL Optimization

4

On-Site Interview - Case Study and Business Analytics

5

On-Site Interview - Analytics Systems and Data Architecture

6

On-Site Interview - Behavioral and Leadership Principles

Frequently Asked Data Analyst Interview Questions

Experiment Design, Analysis, and Causal MethodsHardTechnical
26 practiced
You have an experiment dataset with attrition that looks like Missing Not At Random (MNAR): users who churned are less likely to report outcomes. Propose analytical strategies to estimate the causal effect despite MNAR, describing assumptions for each method and sensitivity analyses you would run to quantify robustness.
Data Cleaning and Quality Validation in SQLMediumTechnical
84 practiced
Write a parametrized SQL template that checks for duplicates on a specified key in a target table and returns the top 10 offending keys along with the duplicate counts. The template should accept table_name and key_columns as parameters (describe how you would implement parameterization in your environment). Explain how you would run this template automatically across hundreds of tables.
Influencing Without AuthorityMediumBehavioral
88 practiced
Describe a time when your attempt to influence a decision failed. Walk me through the situation, the actions you took, why it failed (root causes), and the steps you took afterward to rebuild trust and improve your approach. Be specific about what you learned and changed.
Query Optimization and Execution PlansHardTechnical
88 practiced
Explain how the order of columns in a multi-column (composite) index affects its utility. Given a query with predicates and an ORDER BY (for example: WHERE a = ? AND b > ? ORDER BY b DESC LIMIT 10), propose the ideal index definition and explain why ordering and column selection matter for both filtering and avoiding sorts.
Analytics Infrastructure and Query PerformanceHardTechnical
23 practiced
Explain how skew-aware histograms and NDV (number of distinct values) estimates affect join-order decisions and index selection. How would you detect optimizer cardinality misestimates and what remediation steps would you take (sampling, extended stats, forced hints)?
Analytics Architecture and ReportingEasyTechnical
69 practiced
How would you implement role-based access control for a BI platform so junior analysts cannot see PII while still enabling ad-hoc analysis? Cover role definitions, row-level security, column masking/tokenization, provisioning workflows, and audit logging.
Advanced Querying with Structured Query LanguageHardTechnical
19 practiced
Provide a SQL strategy to maintain aggregate metrics (daily active users, revenue) with incremental updates when new event batches arrive each hour. Your solution should support idempotent reruns and minimal recomputation. Outline schema, keys, and SQL patterns for upserts/merges.
Experiment Design, Analysis, and Causal MethodsMediumTechnical
30 practiced
How do you determine the appropriate test duration for an A/B test considering weekly seasonality, novelty effects, and business cycles? Provide a step-by-step approach and an equation to estimate the minimum number of days required given daily traffic, baseline conversion, and MDE.
Data Cleaning and Quality Validation in SQLEasyTechnical
74 practiced
An events table contains timestamps from various sources:
events(event_id BIGINT, user_id INT, occurred_at TIMESTAMP, source_system TEXT)
Write a SQL query to identify rows where occurred_at is in the future (after current_timestamp) or older than '2000-01-01' (an obvious data error). Additionally, describe two common causes for such date anomalies and how you would fix or prevent them in the pipeline.
Query Optimization and Execution PlansHardSystem Design
68 practiced
Design a reproducible automated test that will fail if any PR introduces a query plan regression for a critical analytical SQL used in reporting. Describe where tests live, how they run (CI, nightly), what baseline data to use, how to store baseline plans and metrics, and how you would present failures to the team so they are actionable.
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