Top 50
Prep plan
Updated weekly · Last refresh Oct 17

Comcast Software Engineer Interview Questions

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

50questions
~7htotal time
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1
CodingStart here. 19 questions · ~169 min
Reverse a String in PythonEasy
Practice

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

StringsfunctionspythonComcast
Palindrome With Edge CasesMedium
Practice

Determine whether a string is a palindrome while ignoring case, whitespace, and punctuation using two pointers.

coding challengeAlgorithmsedge casesComcast
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2
SQL & Data Manipulation8 questions + 3 drills · ~101 min
3
System Design8 questions · ~71 min
React Under the HoodMedium

Tests understanding of React internals and rendering behavior.

reactarchitectureComcast
Design an Application ArchitectureHard

Assesses your system design thinking, tradeoffs, and ability to structure an end-to-end solution.

solution designarchitectureComcast
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4
Security & Infrastructure3 questions · ~27 min
TCP vs UDP Use CasesMedium

Assesses understanding of transport-layer trade-offs and correct protocol selection.

Comcast
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5
Technical Fundamentals4 questions · ~36 min
Java and DSA KnowledgeMedium

Evaluates your depth in Java and DSA and your approach to scenario questions.

javaComcast
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6
Execution3 questions · ~27 min
Why You Are QualifiedEasy

Tests role fit, relevant experience, and your ability to position your strengths.

Success CriteriaRisk AssessmentComcast
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7
More topics5 questions · ~44 min
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The finish line: interview-readyComplete all 50 questions plus 3 hands-on drills to finish this plan.