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Interview Questions

Practice with real questions asked in interviews. Click any card to reveal the answer.

Technical Questions

React Internals

Implement Virtual DOM Diffing - Create a basic virtual DOM reconciliation algorithm

HardTechnicalDuke
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Arrays & Hashing

Two Sum - Given an array of integers and a target, return indices of the two numbers that add up to target

EasyTechnicalDuke
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Sliding Window

Longest Substring Without Repeating Characters - Find the length of the longest substring without repeating characters

MediumTechnicalDuke
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Behavioral Questions

Teamwork

Tell me about a time when you had to work with a difficult team member

MediumBehavioralDuke
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Leadership Principles

Tell me about a time you disagreed with a decision and how you handled it

MediumBehavioralDuke
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Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions Interview Process 2026

The Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions interview typically consists of 220+ technical questions covering algorithms, data structures, and system design. Located in Remote, this position offers hands-on experience with cutting-edge technology and mentorship from senior engineers.

Key interview stages include: initial screening, technical coding rounds focusing on Software Development, System Design, Behavioral, and final rounds with team leads. The difficulty level is rated as Mediumwithin the Enterprise tier.

Essential Skills for Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions Role

Technical Skills

  • Python
  • SQL
  • Data Analysis
  • Statistics

Interview Topics

  • Software Development
  • System Design
  • Behavioral

What Makes Duke Different

Duke is known for its collaborative environment and meaningful impact. Interns work on real production systems and contribute to projects used by millions of users.

The company offers comprehensive learning opportunities, including mentorship programs, technical talks, and hands-on experience with industry-leading tools and frameworks.Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions interns typically work in Remote with hybrid flexibility.

Frequently Asked Questions

How difficult is the Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions interview?

The interview is rated as Medium difficulty. Candidates should prepare for 220+ practice questions covering algorithms, data structures, and system design fundamentals.

What programming languages are accepted?

Most candidates use Python, Java, C++, or JavaScript. Choose the language you're most comfortable with for optimal performance during coding rounds.

How long is the Duke interview process?

The process typically takes 2-4 weeks from initial application to final decision, including phone screens, technical rounds, and team interviews.

Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions salary and benefits

Duke offers competitive compensation packages for Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions positions in Remote. Benefits include health insurance, learning stipends, mentorship programs, and potential full-time conversion opportunities.

Best preparation resources for Duke interviews

Practice coding problems on LeetCode, study system design fundamentals, review computer science concepts, and prepare behavioral questions using the STAR method. Focus on Software Development, System Design, Behavioral.

Duke Internship Program 2026

Apply for Duke Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions internship 2026. Summer internship opportunities at Duke in Remote. Software engineering intern jobs 2026. Tech internships Remote. Computer science internship interview preparation.Duke recruiting process. Enterprise company internships. Coding interview practice for Duke. Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions interview questions and answers.Duke internship application tips. How to get internship at Duke.Duke interview experience. Duke Energy Product Analyst & Data Engineer Internship - Summer 2026 Interview Questions salary Remote.Duke internship review. Best Duke interview preparation.

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