Dataford
Dataford
Top 20
Prep plan
Updated weekly · Last refresh Oct 17

Philadelphia Staffing Software Engineer Interview Questions

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

20questions
~3htotal time
Track your progressSign up free to work through all 20 questions and resume where you left off.
Start practicing free →
1
CodingStart here. 4 questions · ~35 min
Longest Common SubstringHard
Practice

Find the longest contiguous substring shared by two strings using dynamic programming.

Dynamic ProgrammingArraysStringsPhiladelphia Staffing
API Rate Limiting DesignMedium

Tests system design and practical implementation of request throttling.

APIsData StructuresAlgorithmsPhiladelphia Staffing
Complexity and Large-Scale OptimizationMedium

Tests ability to reason about complexity and apply performance optimizations at scale.

time complexityAlgorithmsoptimizationPhiladelphia Staffing
Python OOP and DSAHard

Tests your ability to apply DSA and OOP concepts in Python.

Data StructurespythonoopPhiladelphia Staffing
2
Behavioral & Leadership13 questions · ~115 min
Gathering Requirements Under AmbiguityEasy

Tests requirements gathering in an ambiguous setting, including stakeholder alignment, communication, and ownership of a clear final scope.

Stakeholder ManagementCommunicationOwnershipPhiladelphia Staffing
More Behavioral & Leadership questions with a free account
3
More topics3 questions · ~27 min
SQL vs NoSQL ChoiceMedium

Tests database fundamentals and practical tradeoff decision-making.

Decision Makingtechnicaldatabase designPhiladelphia Staffing
Top Spenders Per Month QueryMedium

Tests SQL windowing/aggregation skills for real-world analytics queries.

Window FunctionsRankingAggregationsPhiladelphia Staffing
Python Memory and PerformanceMedium

Tests Python performance tuning and memory management knowledge.

performancetechnicalpythonPhiladelphia Staffing

Sign up to see every question

Create a free account to unlock this list and practice real interview questions.

Get my prep plan
Hands-on SQL practiceWrite and run real queries in the editor. 3 drills · ~30 min
Unique Elements and Top-K FrequenciesMedium
Practice
Practice drill

Return the first row for each unique value, then rank the k most frequent values.

large datasetsData Structurescomplex queriesEverlaw
Python List and Dictionary BasicsMedium
Practice
Practice drill

Use PostgreSQL aggregations to produce list-like arrays and dictionary-like JSON objects from data records.

Data ManipulationData WranglingData StructuresExl
SQL: Top Bottleneck StageMedium
Practice
Practice drill

Rank workflow stages by average processing time and return the top bottleneck for each workflow type.

Window FunctionsRankingperformanceOscar HealthB Lab Global
The finish line: interview-readyComplete all 20 questions plus 3 hands-on drills to finish this plan.