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Technoviz Interview Questions

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

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1
SQL & Data ManipulationStart here. 3 questions + 3 drills · ~54 min
Clustered vs Non-Clustered IndexesMedium

Explain how clustered and non-clustered indexes differ in storage, lookup behavior, and query performance.

JoinsData WranglingTechnoviz
Optimizing Slow SQL JoinsHard

Tests your SQL performance tuning skills for large datasets, including indexing and query plan reasoning.

Performance TuningJoinsperformanceTechnoviz
Order Management Schema DesignHard

Tests your database design skills for enterprise systems, including normalization and integrity constraints.

star schemadata integrityData ModelingTechnoviz
SQL Joins for TransactionsMedium
Practice
Practice drill

Combine customer transactions and optional notes using INNER JOIN, LEFT JOIN, aggregation, and conditional spend bands.

JoinsData WranglingtransactionsSupernova TechnologyDeloitte
Top Customers by Net SalesMedium
Practice
Practice drill

Compute top 10 customers by net sales using joins and aggregations, ordering by revenue with deterministic tie-breaking.

SubqueriesJoinsData WranglingGain DigitalTCSZest AI
Monthly Campaign Performance SummaryEasy
Practice
Practice drill

Aggregate January 2024 campaign data by channel using GROUP BY, filtering, and ordering by total clicks.

JoinsData WranglingAggregationsDNVEversanaDiscord
2
Execution4 questions · ~32 min
Design a Microservices Migration PlanHard

Plan a microservices migration by balancing delivery speed, service boundaries, and operational risk.

Trade-offsRisk AssessmentScope ManagementTechnoviz
Protect Sensitive API EndpointsMedium

Explain how you would secure sensitive API endpoints against SQL injection, XSS, and related risks while keeping delivery practical.

rest apisCloud Security RisksSecurityTechnoviz
Designing a Scalable Fault-Tolerant APIHard

Tests your system design skills for availability, resilience, and scalability under load for Technoviz.

scalabilityRisk Assessmentsolution designTechnoviz
Distributed Transactions and Eventual ConsistencyHard

Tests your understanding of distributed systems patterns and how you maintain consistency across microservices.

transactionsconsensusmicroservicesTechnoviz

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3
Behavioral & Leadership8 questions · ~64 min
Balancing Technical Debt and DeadlineMedium

Tests prioritization under pressure, technical judgment, and stakeholder management when technical debt threatens a client deadline.

client deadlineConflict Resolutiontechnical debtTechnoviz
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The finish line: interview-readyComplete all 15 questions plus 3 hands-on drills to finish this plan.