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Updated weekly · Last refresh Aug 30

Ltd. Software Engineer Interview Questions

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

50questions
~7htotal time
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1
SQL & Data ManipulationStart here. 6 questions + 2 drills · ~72 min
Second Highest Without AggregatesHard
Practice

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

SubqueriesRankingSelf-JoinsLtd.
Oracle Database Advanced QuestionsHard

Assesses your depth of Oracle database knowledge and advanced SQL concepts.

databaseLtd.
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
SQL Bookstore Schema PracticeEasy
Practice
Practice drill

Use a CTE, joins, and distinct aggregates to calculate Meta Logistics bookstore payment metrics.

sql queriessqlpythonMeta Logistics
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2
Coding27 questions · ~234 min
Reverse a String in PythonEasy
Practice

Reverse a string in Python using character traversal and return the reversed result.

StringsfunctionspythonLtd.
Difference Between Interface and Abstract Class in JavaMedium

Explain the differences between interfaces and abstract classes in Java and when to use each.

Hash TablesArraysStringsLtd.
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3
Security & Infrastructure3 questions · ~26 min
Instruction Processing on Linux and DOSMedium

Assesses your systems understanding and ability to compare execution models across environments.

javalinuxLtd.
General Networking FundamentalsMedium

Assesses your understanding of networking fundamentals needed for software development.

NetworkingLtd.
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4
Behavioral & Leadership11 questions · ~95 min
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5
More topics3 questions · ~26 min
Your Strengths and WeaknessesEasy

Tests self-awareness and how you position yourself for success in an Account Executive role at Aqr.

Trade-offsSuccess CriteriaRisk AssessmentLtd.
E-Commerce System DesignHard

Evaluates system design thinking for building e-commerce features and services.

Ltd.
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The finish line: interview-readyComplete all 50 questions plus 2 hands-on drills to finish this plan.