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Interview Experience
Amey Kulkarni
Mastercard
Intern
CS 2025
Friday, April 25, 2025
4015 reads
3 min read

My Selection Journey at MasterCard – From Hackathon to Internship!

“Coding builds the foundation, but communication and leadership define the structure!”

How It All Started

It was around August 23rd, 2024 when I had one of the most memorable experiences of my tech journey the Code for Change Hackathon organized by MasterCard. But the road began much before that, with a structured selection process that tested both logic and leadership.

📌 1. Registration & Shortlisting

Students registered for the event.
Shortlisting was based on:
  • AMCAT scores
  • CGPA
  • And other academic parameters.
Those shortlisted proceeded to the DSA Round.

2. DSA Round

  • Date: August 5th
  • No. of Questions: 2
    • One on Arrays / Strings
    • One on Trees / Graphs
  • Scoring even 1.5 questions (1 full + half of another) was enough.
I’ve never been a daily DSA solver, but I managed to work through the problems and got shortlisted.

3. Hackathon Shortlisting & Mentorship

Once selected, we were notified and assigned into random 7-member teams. We had never met before, so building connections and trust was critical.
Each team was also assigned a mentor from MasterCard who conducted:
  • Team-building exercises
  • Technology discussions
  • Progress check-ins
“Your mentor is not just a guide, they are also part of your evaluation panel.”

Leadership and Teamwork: My Role

Here’s where things got intense—and interesting.
  • I naturally took the lead in our team.
  • Assigned and divided tasks based on everyone’s strengths.
  • Regularly checked in with each teammate to ensure progress.
  • Ensured we had something substantial to show before each mentor sync.
“Taking charge and enabling others to shine is a quality that doesn't go unnoticed.”
I wasn’t the most knowledgeable in AI/ML, but I knew my strengths:
  • Flutter Development
  • Web and Backend Systems
So, I took responsibility for:
  • JWT Authentication
  • Backend API development using Django

🚀 4. Hackathon Day – Execution and Energy!

  • Duration: 7 hours
  • Problem Statements: 3 from different NGOs
We were given a Problem statement:
  • User Authentication
  • Platform development
  • Information Management
Our app wasn’t fully complete—because 7 hours isn’t much—but we:
  • Made strong backend progress
  • Integrated essential APIs
  • Kept our mentor updated in real-time

5. The Final Presentation

This was my moment to shine.
  • I convinced my team that I’d be the best to present.
  • Walked the judges through our idea, goals, implementation, and innovation.
Even though we didn’t win the hackathon, our concept, effort, and clarity stood out.
“Good code brings you halfway, but a strong presentation completes the journey.”

6. The Result – Internship Offer!

Because of my:
  • Technical contribution
  • Leadership skills
  • Communication and presentation
…I was shortlisted for the SDE role. And now, I’ve officially been offered an internship at MasterCard’s Checkout Services Team!
📅 Joining Date: May 19th, 2025
💼 Role: SDE Intern – Mastercard Checkout Services

🗺️ Roadmap to MasterCard Internship

StepDescription
Step 1Register for the hiring drive (Code for Change)
Step 2Shortlisting based on CGPA + AMCAT scores
Step 3DSA Round (2 questions - Trees & Graphs)
Step 4Selection for Hackathon & team formation
Step 5Team building & mentorship sessions
Step 6Lead team, divide tasks, monitor progress
Step 7Hackathon Day – Code + Collaborate + Contribute
Step 8Present your project to the judges
Final StepGet shortlisted for internship

📝 Final Tips for Aspirants

  • DSA helps, but it’s not the only thing. Strategy matters.
  • Know your strengths. Focus on what you’re good at.
  • Take initiative. Leading a team is always recognized.
  • Keep mentors in the loop. They notice everything.
  • Presentation is powerful. Speak up with confidence.

"Leadership is not just coding the best—it’s about enabling your team and communicating with clarity."

💬 Have questions or need guidance?

Feel free to connect with me. Always happy to help juniors crack the Code for Change!

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