Company:

ADP (Automatic Data Processing)

Role:

GPT Intern (Global Product & Technology)

Timeline:

June 2025

Round 1: Online Assessment (MCQ-Based)

Platform: ADP Pariksha

Format:

• Total Sections: 3
  1. Logical Reasoning – Patterns, sequences, puzzles
  2. Aptitude & Quantitative – Basic math, profit-loss, percentages
  3. Java MCQs – OOPs, exceptions, collections, strings

Duration: ~60-75 minutes

Tip: Focus on core Java concepts and practice aptitude regularly from platforms like PrepInsta or GeeksforGeeks.

Round 2: Technical Interview 1 (Java + SQL + Resume Discussion)

• Walkthrough of my resume
• Questions on Java:
  • Difference between ArrayList and LinkedList
  • Java threads
  • OOP principles with examples
  • Exception handling
• SQL Queries:
  • Joins (asked to write queries)
  • Diff btw Truncate and Delete
  • Query to find second highest salary
  • GROUP BY and HAVING usage
• Basic OS/DBMS theory (only 1–2 questions)
• Python Prog to print the frequency of characters in the string

Overall focus: Java fundamentals, SQL queries, and how well you understand your resume

Round 3: Technical Interview 2 (Project-Centric)

• Deep dive into my major projects
• Told to write the code of one of my project
• Asked about:
  • Architecture and tech stack
  • Real-life use case and scalability
  • Challenges faced and how I solved them
• Follow-up questions on Git usage and teamwork

Tip: Be ready to write and explain each line of code and design choices for your projects. Keep your GitHub clean and updated.

Round 4: HR Interview

• Tell me about yourself
• Tell me about your family background
• Why should we hire you?
• Where do you see yourself in the next five years?
• Comfortable relocating and working at night shifts?
• A few scenario-based behavioral questions

Friendly and conversational round. They were checking for attitude and cultural fit.

Final Result:

✅ Selected

My Preparation Strategy:

• DSA: LeetCode Easy/Medium (Arrays, Strings, HashMaps)
• Java: Notes + practice from GFG
• Aptitude
• Resume & Projects

Takeaways:

• Projects + Java + SQL are key for ADP GPT Intern roles
• Keep answers crisp and structured
• Mock interviews help a lot

Feel free to reach out if you’re preparing. Happy to help!