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Updated weekly · Last refresh Oct 17

AppsFlyer Solutions Architect Interview Questions

The questions to prepare for a AppsFlyer Solutions Architect interview. Questions from real interview reports rank first. Updated daily.

23questions
~4htotal time
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1
CodingStart here. 4 questions · ~41 min
Longest Substring Without RepeatsMedium
Practice

Find the longest substring with all unique characters using a sliding window.

Hash TablesStringsTwo PointersAppsFlyer
Calculate User Retention RateMedium
Practice

Calculate the percentage of users active at least N days after signup by aggregating user activity records.

Hash TablesaggregationMathAppsFlyer
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2
System Design3 questions · ~31 min
Scale Mobile App ArchitectureHard

Tests system design skills for high-scale mobile analytics and measurement workloads.

Cold StartFeature DriftModel ServingAppsFlyer
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3
Behavioral & Leadership10 questions · ~103 min
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4
More topics6 questions · ~62 min
Real-Time Dashboard Pipeline DesignHard

Approach for building near-real-time dashboard pipelines with streaming, orchestration, and data quality controls.

Stream ProcessingSchedulingDependenciesAppsFlyer
Plan Capacity for 10x GrowthHard

Tests forecasting, scaling strategy, and operational planning for analytics platforms.

EstimationGrowth StrategyMarket SizingAppsFlyer
Requirements Gathering for ClientMedium

Tests discovery process, stakeholder alignment, and translating needs into an implementation plan.

User ResearchUser NeedsUse CasesAppsFlyer
Optimize Engagement Metrics QueryHard

Tests SQL performance tuning skills for large-scale analytics queries.

Window FunctionsJoinsAggregationsAppsFlyer
Security and Compliance ConsiderationsMedium

Tests security thinking, privacy awareness, and compliance tradeoffs in enterprise systems.

Stakeholder ManagementCommunicationOwnershipAppsFlyer
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Optimize a Slow SQL QueryHard
Practice
Practice drill

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAmeripriseEEltro Cyberchrome PrivateEnergyHub
Top N Records in SQLEasy
Practice
Practice drill

Return the top 3 open TEKsystems requisitions by priority using WHERE, ORDER BY, and LIMIT.

Window FunctionsRankingAggregationsAppsFlyerTEKsystems
SQL Top 10% by EngagementMedium
Practice
Practice drill

Rank Facebook users by total session duration and return the top 10% using aggregation and NTILE.

Rankingtop kFacebookActivisionAppsFlyer
The finish line: interview-readyComplete all 23 questions plus 3 hands-on drills to finish this plan.