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Credgenics Software Engineer Interview Questions

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

20questions
~3htotal time
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1
CodingStart here. 12 questions · ~111 min
Maximum Subarray SumEasy
Practice

Compute the largest sum of any contiguous subarray using Kadane's algorithm in O(n) time.

Dynamic ProgrammingArraysGreedyCredgenics
Optimize Brute-Force SearchHard

Tests algorithmic thinking and complexity reduction strategies.

optimizationCredgenics
Activity Selection ProblemMedium

Tests greedy strategy reasoning and implementation accuracy.

GreedyAlgorithmsCredgenics
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2
SQL & Data Manipulation3 questions + 3 drills · ~58 min
Complex SQL with Joins and SubqueriesMedium

Tests SQL proficiency for multi-table retrieval and nested query logic.

SubqueriesJoinssqlCredgenics
SQL Retrieval and AggregationMedium

Tests SQL skills for grouping, aggregation, and query correctness.

aggregationsqlCredgenics
DSA and SQL ScreeningMedium

Assesses readiness across DSA and SQL fundamentals under interview constraints.

Data StructuressqlCredgenics
SQL: Customers With Multiple OrdersEasy
Practice
Practice drill

Use a join, month-level grouping, and HAVING to find VistaPrint customers with multiple orders in the same month.

aggregationJoinssqlCCimpress Technology
SQL for Top Customer SpendMedium
Practice
Practice drill

Rank the top three EPAM India customers by item-level spending over the last three months using joins and aggregation.

aggregationJoinssqlEEPAM IndiaEPAM Systems
Top SQL Join and GroupingEasy
Practice
Practice drill

Return the top three students in each Nomura division using a join and ROW_NUMBER partitioned by division.

aggregationJoinssqlNomura

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3
Behavioral & Leadership3 questions · ~28 min
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4
More topics2 questions · ~19 min
Two-Way Messaging System DesignHard

Assesses system design depth for real-time, bidirectional messaging at scale.

CommunicationCredgenics
Project Scalability and ReliabilityHard

Evaluates system thinking, tradeoffs, and how you apply scalability and reliability principles to real work.

system designkafkaCredgenics
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.