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Andela Interview Questions

The questions to prepare for Andela interviews, across all roles. Questions from real interview reports rank first. Updated daily.

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1
CodingStart here. 4 questions · ~39 min
First Non-Repeating CharacterEasy
Practice

Find the first non-repeating character in a string using frequency counting and a second pass in O(n) time.

Hash TablesStringsSearchingAndela
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2
SQL & Data Manipulation4 questions + 2 drills · ~59 min
Running Total With Window FunctionsEasy
Practice

Calculate each user's running order total over time using a window function.

Window FunctionsDate FunctionsRunning TotalsAndela
Monthly Sales Trends by CategoryMedium
Practice
Practice drill

Aggregate monthly sales by product category and use LAG to calculate month-over-month changes.

InfrastructureToolsData WranglingTotal Wine & MoreInc.Benjamin Moore
SQL and Data Tooling ProficiencyMedium
Practice
Practice drill

Aggregate project usage to identify frequently used data analysis tools and compare their hours and ratings.

analytics toolsToolsJoinsLimeadeLaSalle NetworkE15 Group
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3
Strategy3 questions · ~29 min
Tell Me About YourselfEasy

Craft a concise self-introduction that highlights fit, communication style, and relevance for an Account Executive role.

brand cultureBusiness AcumenCompetitive AnalysisAndela
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4
Metrics4 questions · ~39 min
Measure Marketing Campaign SuccessEasy

Define campaign success using business KPIs, funnel conversion, acquisition cost, and leading indicators tied to outcomes.

Funnel AnalysisKPIsLeading IndicatorsAndela
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5
Pipelines4 questions · ~39 min
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6
System Design4 questions · ~39 min
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7
More topics27 questions · ~264 min
Month-End Close ProcessHard

Explain a controlled month-end close, including reconciliations, accruals, variance analysis, review, and GAAP financial statement completion.

Accounting FundamentalsFinancial Statementsfinancial processesAndela
Common Pitfalls in Experiment ResultsHard

Identify the main pitfalls that can distort A/B test interpretation and explain how to guard against them.

PeekingNovelty EffectSample Ratio MismatchAndela
Statistical Significance in Hypothesis TestingEasy

Explain what statistical significance means and why it matters when interpreting experimental or analytical results.

Hypothesis TestingData AnalysisStatistical SignificanceAndela
Handle Client ObjectionsMedium

Handle client objections by diagnosing the real concern, re-anchoring on value, and advancing the deal.

Stakeholder ManagementCommunicationAndela
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.