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Netcracker Technology Software Engineer Interview Questions

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

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1
SQL & Data ManipulationStart here. 11 questions + 1 drill · ~131 min
SQL Highest Salary Per DepartmentMedium
Practice

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

sqlAggregationsNetcracker Technology
Core Java and Spring MicroservicesMedium
Practice
Practice drill

Return cardholders whose 2025 approved transaction total is at least 1000 across multiple transaction records.

javaJoinssqlMastercard
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2
Coding11 questions · ~121 min
Optimized Palindrome CheckEasy
Practice

Determine whether a string reads identically forward and backward using a linear-time, constant-space two-pointer scan.

StringsbasicsTwo PointersNetcracker Technology
Implement Merge SortEasy
Practice

Sort an array using merge sort and analyze its time and space complexity.

MathArraysSortingNetcracker Technology
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3
System Design3 questions · ~33 min
Parking Billing System DesignHard

Assesses system design skills including requirements, data model, and billing logic.

system designNetcracker Technology
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4
Technical Fundamentals8 questions · ~88 min
Why Go for NetcrackerMedium

Assesses your ability to justify technology choices for service development at Netcracker Technology.

Netcracker Technology
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5
Security & Infrastructure6 questions · ~66 min
STP Election ProcedureMedium

Evaluates your knowledge of networking fundamentals and spanning tree protocol behavior.

NetworkingNetcracker Technology
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6
Execution7 questions · ~77 min
Mitigating Pod Integration FailuresHard

Assesses troubleshooting and mitigation strategy for distributed systems failures.

integrationNetcracker Technology
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7
More topics4 questions · ~44 min
OSS vs BSS in TelecomMedium

Tests understanding of telecom system components and how they map to business and operations workflows.

telecommunicationsNetcracker Technology
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The finish line: interview-readyComplete all 50 questions plus 1 hands-on drill to finish this plan.