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Prep plan
Updated weekly · Last refresh Aug 30

Coalition Greenwich Software Engineer Interview Questions

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

26questions
~4htotal time
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1
CodingStart here. 19 questions · ~175 min
Palindrome String ProgramEasy
Practice
Recently asked

Use two pointers to determine whether a CSG asset label reads identically forward and backward.

StringsCoalition Greenwich
Creating Immutable Java ClassesMedium
Recently asked

Tests ability to design immutable objects safely and correctly in Java.

javaobject-oriented programmingCoalition Greenwich
Benefits of Spring AnnotationsMedium
Recently asked

Tests understanding of Spring component scanning, wiring, and separation of concerns.

FrameworksCoalition Greenwich
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2
SQL & Data Manipulation5 questions + 2 drills · ~66 min
Second Highest Without AggregatesHard
Practice
Recently asked

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

SubqueriesRankingSelf-JoinsCoalition Greenwich
Understanding ACID Properties in DatabasesMedium

Explain the ACID properties of database transactions and their importance.

Coalition Greenwich
Explain ACID in Transaction SystemsEasy
Recently asked

Explain the four ACID properties and why they matter for reliable transaction processing in SQL systems.

acid propertiestransactionsdata integrityCoalition Greenwich
Stored Procedures vs FunctionsMedium
Recently asked

Tests tradeoffs between database-side logic types for performance, maintainability, and reuse.

functionssqlCoalition Greenwich
SQL for Top CustomersEasy
Practice
Practice drill

Use a CTE, join, date filter, and aggregation to find the top 10 Coalition Greenwich customers by Q1 revenue.

sql queryCoalition Greenwich
SQL Queries for RankingMedium
Practice
Practice drill

Rank active HSBC employees by division and return every employee tied for the highest or second-highest salary.

javasqlHsbc
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3
More topics2 questions · ~18 min
Microservices Inter-Service CommunicationMedium
Recently asked

Tests design choices for service-to-service communication, reliability, and integration patterns.

architecturemicroservicesCoalition Greenwich
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The finish line: interview-readyComplete all 26 questions plus 2 hands-on drills to finish this plan.