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Updated weekly · Last refresh Aug 30

Techno Comp Software Engineer Interview Questions

The questions to prepare for a Techno Comp Software Engineer interview. Questions from real interview reports rank first. Updated weekly.

32questions
~5htotal time
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1
CodingStart here. 15 questions · ~130 min
Linked List ReversalEasy
Practice

Reverse a singly linked list in-place using iterative pointer manipulation.

RecursionLinked ListsArraysTechno Comp
Implement Binary SearchEasy

Tests algorithm implementation skills and correctness reasoning.

RecursionArraysSearchingTechno Comp
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2
Execution12 questions · ~104 min
Managing a Failed Project PivotHard

Describe how you handled a project that failed or required a major pivot, including stakeholder alignment, trade-offs, and risk management.

Rollback PlanTrade-offsRisk AssessmentTechno Comp
Handle a Difficult Team MemberMedium

Explain how you would handle a difficult team member while protecting delivery, relationships, and clarity across stakeholders.

Trade-offsRisk AssessmentDependenciesTechno Comp
Describe a Successful ProjectEasy

Share a concrete project you led, focusing on success criteria, stakeholder alignment, execution, and measurable outcomes.

Success CriteriaRoadmappingRisk AssessmentTechno Comp
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3
More topics5 questions · ~43 min
Optimizing Slow SQL QueriesMedium

Tests your SQL performance troubleshooting and optimization approach.

Window FunctionsJoinsAggregationsTechno Comp
Architect a Scalable Web AppHard

Tests ability to design for scalability, availability, and maintainability in production systems.

InfrastructureNetworkingos internalsTechno Comp
Shopping Cart System DesignHard

Evaluates system design skills for building a core e-commerce component with correct data flows.

user experienceTechno Comp
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
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
Longest Consecutive Login Streak per UserHard
Practice
Practice drill

Calculate the longest consecutive login streak for each user using window functions and date manipulations.

Window FunctionsJoinsAggregationsChimeECSSalesforce
SQL for Weekly Regional PerformanceMedium
Practice
Practice drill

Calculate weekly volume, handling time, and week-over-week change by Kuiper Commercial Services region.

Window FunctionsJoinsAggregationsAmazon Kuiper Commercial Services
The finish line: interview-readyComplete all 32 questions plus 3 hands-on drills to finish this plan.