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Updated weekly · Last refresh Aug 30

GIC Software Engineer Interview Questions

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

49questions
~7htotal time
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1
CodingStart here. 17 questions · ~141 min
Feature Design From ScratchMedium

Tests end-to-end system thinking, requirements to design, and trade-off reasoning.

system designProblem SolvingGIC
High-Frequency Data UpdatesHard

Tests your ability to design reliable, scalable systems for streaming or rapidly changing data.

system designtechnical knowledgeGIC
Data Wrangling with PandasMedium

Tests practical data manipulation skills and correctness when transforming datasets.

pandasData WranglingpythonGIC
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2
Behavioral & Leadership27 questions · ~224 min
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3
More topics5 questions · ~41 min
API Design for a FunctionHard

Evaluates API design skills including contracts, endpoints, and usability.

api designsystem architectureGIC
AWS and RESTful APIsMedium

Evaluates your understanding of AWS services and how RESTful APIs are built and secured.

awsGIC
Data Wrangling With PandasMedium

Assesses your practical ability to use pandas for data manipulation tasks.

pandaspythonGIC
Spring Boot Booking System DesignHard

Assesses system design thinking and how you structure a backend service in Spring Boot.

system designspring bootGIC
Network Protocols and DatabasesMedium

Assesses breadth of infrastructure knowledge across networking and data stores.

GIC

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Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Top Customers by Sales RevenueEasy
Practice
Practice drill

Use GROUP BY and SUM to rank the top 10 customers by total revenue from a single sales table.

RankingGroup ByAggregationsHousecall ProEquifaxXYZ
Measure Week-Over-Week Metric ChangesMedium
Practice
Practice drill

Use LAG to compare an operational KPI week over week and surface absolute and percentage change.

Window FunctionsLag/LeadDate FunctionsGICUber FreightCorsair
Sum From 1 to 1,000,000Easy
Practice
Practice drill

Calculate the sum of integers from 1 to 1,000,000 using PostgreSQL aggregation and filtering.

AlgorithmsVirtu Financial
The finish line: interview-readyComplete all 49 questions plus 3 hands-on drills to finish this plan.