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Updated weekly · Last refresh Aug 30

Kalypso Software Engineer Interview Questions

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

24questions
~4htotal time
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1
CodingStart here. 11 questions · ~114 min
Linked List ReversalEasy
Practice

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

RecursionLinked ListsArraysKalypso
Implement Binary Search AlgorithmEasy
Practice

Write a binary search function to find a target value in a sorted array.

SearchingKalypso
Two Sum ProblemEasy
Practice

Find two indices in an array whose values add up to a target using a hash map.

Hash TablesArraysTwo PointersKalypso
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2
SQL & Data Manipulation3 questions + 3 drills · ~61 min
Database Normalization ProcessMedium

Tests your understanding of normalization forms and how they affect integrity and redundancy.

JoinsData WranglingKalypso
Optimizing a Slow SQL QueryMedium

Tests your SQL performance troubleshooting skills and use of indexes and query plans.

SubqueriesJoinsAggregationsKalypso
Database Design ConsiderationsMedium

Tests your approach to schema design, tradeoffs, and data modeling for production systems.

JoinsData WranglingData ModelingKalypso
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
Unify CRM and Google Analytics ViewHard
Practice
Practice drill

Merge CRM orders with GA events via an identity map to build a customer-level view using joins, window functions, and monthly rollups.

SubqueriesJoinsData WranglingArtefact
Deduplicate Out-of-Order Replication EventsMedium
Practice
Practice drill

Use ROW_NUMBER() to keep the earliest created_at 'Repl created' per entity and return out-of-order duplicates to delete.

Window FunctionsSubqueriesJoinsReplitQuantcast
3
Behavioral & Leadership8 questions · ~83 min
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4
More topics2 questions · ~21 min
Design a Scalable ApplicationEasy

Explain how you would design a scalable application, including trade-offs, risks, stakeholder needs, and how you define success.

Trade-offsRisk AssessmentScope ManagementKalypso
Debugging a Production IssueMedium

Tests your incident triage, diagnostics, and communication under production constraints.

Rollback PlanTrade-offsRisk AssessmentKalypso

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The finish line: interview-readyComplete all 24 questions plus 3 hands-on drills to finish this plan.