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New Interview Questions: June 2026

Questions added to the Dataford question bank in June 2026, ranked by how often they are asked in real interviews.

100questions
~25htotal time
8,422companies covered
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1
CodingStart here. 25 questions · ~379 min
Reverse a String in PythonEasy
Practice
Recently asked

Reverse a string using character traversal and return the reversed result.

StringsfunctionspythonCNAAct DigitalLos Alamos National Laboratory
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2
SQL & Data Manipulation24 questions · ~364 min
Top Customers by Sales RevenueEasy
Practice
Recently asked

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsHousecall ProEquifaxXYZ
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3
Execution24 questions · ~364 min
Prioritize Work Under Tight DeadlinesEasy
Recently asked

Explain how you prioritize competing work under time pressure while making trade-offs and keeping stakeholders aligned.

Trade-offsRoadmappingScope ManagementiCapitalDaley And AssociatesRRight At School
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4
Metrics10 questions · ~152 min
Measure Marketing Campaign SuccessEasy
Recently asked

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

Funnel AnalysisKPIsLeading IndicatorsBrexAAMN HealthcareProgyny
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5
A/B Testing & Experimentation3 questions · ~46 min
Common Pitfalls in Experiment ResultsHard
Recently asked

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

PeekingNovelty EffectSample Ratio MismatchDDr. Reddy'sHHoliduNeptune Technology Group
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6
Product Sense3 questions · ~46 min
Approach a User Research ProjectEasy
Recently asked

A structured approach to planning and running a user research project that identifies user needs and drives product decisions.

User ResearchUser NeedsPain PointsChicago Public SchoolsMeta ITEvernote
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7
More topics11 questions · ~167 min
Data Quality in ETL PipelinesEasy
Recently asked

Approach for maintaining data quality and integrity across ETL pipelines.

IdempotencyData ModelingQualityBrexUniversity of Arkansas
Design an LLM Serving PlatformHard
Recently asked

Design an LLM serving system that balances latency, cost, scalability, and safety for production traffic.

Cold StartFeature StoreModel ServingBrexPPSP InvestmentsAArondite
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