DEA Software Engineer Interview Questions

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

23questions

~4htotal time

Track your progressSign up free to work through all 23 questions and resume where you left off.

CodingStart here. 5 questions · ~48 min

Reverse a singly linked list in place using pointer manipulation.

Palindrome String FunctionEasy

Practice

Use two pointers to determine whether a PenFed member-note string reads identically forward and backward.

RecursionMathStrings

DEA

Object-Oriented vs Functional ProgrammingEasy

Compare object-oriented and functional programming in terms of state, abstraction, side effects, and design tradeoffs.

LanguagestechnicalProgramming

DEA

More Coding questions with a free account

Execution7 questions · ~68 min

Explain how you would diagnose and recover a project that is falling behind schedule without losing stakeholder trust.

Secure a Web Application RolloutMedium

Explain how you would secure a web application against common vulnerabilities while balancing delivery speed, risk, and release controls.

Trade-offsRisk AssessmentScope Management

DEA

Improve System Performance and ReliabilityEasy

Explain how you would optimize a system for performance, reliability, and user experience while making clear trade-offs and defining success.

Trade-offsSuccess CriteriaRisk Assessment

DEA

More Execution questions with a free account

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

Behavioral & Leadership10 questions · ~97 min

Motivation Through Ownership and GrowthEasy

Tests whether your motivation is grounded in ownership, growth, and impact rather than generic ambition.

LeadershipOwnership

DEA

More Behavioral & Leadership questions with a free account