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Updated weekly · Last refresh Oct 17

Netcracker Technology Solutions Architect Interview Questions

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

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~5htotal time
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1
System DesignStart here. 8 questions · ~64 min
Asynchronous Communication ModelMedium

Evaluates your approach to designing asynchronous service interactions and reliability.

Netcracker Technology
Telecom Call Flows and Data StoresMedium

Assesses your ability to design telecom-focused architectures combining cloud and Cassandra data layers.

CloudNetcracker Technology
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2
Pipelines6 questions · ~48 min
API-First Design and VersioningMedium

Tests API lifecycle management and compatibility strategies for external consumers.

api designNetcracker Technology
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3
Coding4 questions · ~32 min
Java and Servlet/JSP BasicsHard

Tests practical Java and web fundamentals relevant to building solution components.

javaProgrammingNetcracker Technology
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4
Behavioral & Leadership10 questions · ~80 min
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5
More topics6 questions · ~48 min
VPC Connectivity for SecurityMedium

Evaluates secure infrastructure design for cross-VPC connectivity.

NetworkingNetcracker Technology
Netcracker BSS Domain DesignMedium

Evaluates your ability to translate telecom BSS requirements into end-to-end solution architecture at Netcracker Technology.

Netcracker Technology
SQL Fundamentals and JoinsMedium

Tests SQL query writing skills and understanding of joins for data retrieval and manipulation.

javasqldesignNetcracker Technology
Debug Memory Leaks in MicroservicesMedium

Tests troubleshooting methodology for production issues in distributed services.

javaDebuggingmicroservicesNetcracker Technology
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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
SQL Highest Salary Per DepartmentMedium
Practice
Practice drill

Find each department's maximum salary and all employees tied at that salary using LEFT JOINs and a correlated subquery.

sqlAggregationsAutomatic Data ProcessingTechminds GroupNetcracker Technology
Second Highest Without AggregatesHard
Practice
Practice drill

Find the second highest salary in each department without using aggregate functions.

SubqueriesRankingSelf-JoinsCredit GenieDevoteamCisco Restaurant + Bar
Java Core Concepts and SQL BasicsMedium
Practice
Practice drill

Explain core Java concepts and produce an aggregated SQL access summary using joins.

javaJoinssqlSaviynt
The finish line: interview-readyComplete all 34 questions plus 3 hands-on drills to finish this plan.