Welcome to CallStackz!

Are you preparing for interviews at top tech companies or looking to sharpen your skills in system design, coding, and behavioral interviews? You’re in the right place. This newsletter is dedicated to helping you confidently tackle interviews and land your dream job in tech.

What You’ll Find Here

At CallStackz, we break down the complexities of interview preparation into actionable insights and strategies. Our content includes:

• Coding Challenges: Step-by-step walkthroughs of popular problems.

• System Design Deep Dives: Learn to design scalable and efficient systems with clarity and confidence.

• Behavioral Mastery: Proven frameworks to ace those tricky “Tell me about a time…” questions.

• Practical Tips & Tricks: From debugging to brainstorming, get insider tips for every stage of the interview process.

Who’s Behind CallStackz?

I’m Madhan Kumar Arumugam, a passionate mentor and tech professional with close to 20 years of experience. Over the years, I’ve helped numerous candidates succeed in their interviews at companies like Meta, Microsoft, Amazon and other big tech companies.

Why I Started CallStackz

I believe that with the right guidance, preparation, and mindset, anyone can succeed in tech interviews. CallStackz was created to provide you with the resources and support needed to overcome challenges and build a fulfilling career.

What’s Next?

Subscribe to join our growing community and stay updated on all things interview prep. Whether you're a beginner or an experienced professional, CallStackz is here to guide you every step of the way.