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ArcGate Software Engineer Interview Questions

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

5questions
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1
JoinsStart here. 1 question + 2 drills · ~30 min
Explain SQL Join TypesEasy

Explain INNER, LEFT, RIGHT, FULL OUTER, CROSS, and SELF JOINs with examples and when to use each.

JoinsData WranglingGroup ByAArcGate
Trade-Offs Between Database TechnologiesHard
Practice
Practice drill

Compare database technologies by benchmark latency, throughput, storage footprint, and trade-off profile.

database managementJoinsData WranglingCCalanceDatabricks
Calculate 2025 Customer Order TotalsMedium
Practice
Practice drill

Optimize a PostgreSQL aggregation query by filtering efficiently, reducing intermediate rows, and returning qualifying customer totals.

database optimizationJoinsData WranglingSSonata SoftwareCCentelonAAarohiinfo FI Management
2
sql1 question · ~10 min
Inner vs Left Join ExampleMedium

Evaluates ability to write correct SQL joins and reason about result sets.

sqlAArcGate

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3
migration1 question · ~10 min
Database Migrations in PythonMedium

Evaluates knowledge of schema migration workflows and safe evolution of database structures.

migrationdatabase managementpythonAArcGate
4
database management1 question · ~10 min
ORM Advantages in PythonMedium

Assesses understanding of ORM tradeoffs and how they affect ArcGate-style data access patterns.

database managementpythonAArcGate
5
database optimization1 question · ~10 min
Optimize Active Loan Payment QueryHard
Practice

Rewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.

database optimizationJoinsData WranglingAArcGate
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