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Updated weekly · Last refresh Oct 17

DP world Software Engineer Interview Questions

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

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CodingStart here. 25 questions · ~227 min

Count Unique Binary Search TreesMedium

Practice

Count structurally unique BSTs storing values 1..n using dynamic programming and Catalan-style recurrence.

binary searchDynamic ProgrammingTrees

DP world

Optimize to O(1) TimeMedium

Practice

Determine whether a non-negative integer is a power of two using constant-time bit manipulation.

coding challengeBit ManipulationAlgorithms

DP world

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Technical Fundamentals4 questions · ~36 min

Core Pillars of OOPMedium

Explain polymorphism, inheritance, abstraction, and encapsulation, including how Java resolves overridden methods at runtime.

technical fundamentalsooptechnical knowledge

DP world

Web and React FundamentalsMedium

Assesses your understanding of modern frontend build tooling and core React/JS concepts.

javascriptreact

DP world

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SQL & Data Manipulation8 questions + 3 drills · ~102 min

Understanding ACID Properties in DatabasesMedium

Explain the ACID properties of database transactions and their importance.

DP world

DSA and SQL BasicsMedium

Assesses your ability to combine algorithmic thinking with SQL/data manipulation for DP world use cases.

sql

DP world

SQL for Monthly ShipmentsEasy

Practice

Practice drill

Aggregate DP World shipments by calendar month and return chronologically ordered monthly counts.

Date FunctionsGroup Bysql

DP world

Optimize Slow SQL at ScaleHard

Practice

Practice drill

Optimize a PostgreSQL query that aggregates millions of Uber rides and ranks active drivers by city.

database optimizationlarge datasetsperformance

Uber

7th Nearest Palindrome CodingHard

Practice

Practice drill

Return the seventh closest palindrome for each valid input number, using recursive query logic and ordered ranking.

Dynamic ProgrammingCTEscomplex queries

Deloitte

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System Design5 questions · ~45 min

Design WhatsApp with Classes or UMLHard

Assesses your object modeling skills and ability to translate requirements into class relationships.

DP world

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Behavioral & Leadership7 questions · ~63 min

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