Interview Preparation Hub

Comprehensive interview preparation with real questions, detailed answers, and expert guidance

95%
Success Rate
500+
Questions Covered
50+
Companies Prepared
EasyQuestion 1

What is the difference between ETL and ELT?

+
MediumQuestion 2

Explain data partitioning and its benefits.

+
MediumQuestion 3

How would you handle slowly changing dimensions (SCD)?

+
HardQuestion 4

Design a real-time data pipeline for processing user events.

+
HardQuestion 5

What are the CAP theorem implications for data systems?

+

Interview Success Tips

Before the Interview

  • •Research the company's data stack and recent projects
  • •Practice coding on a whiteboard or shared screen
  • •Prepare specific examples using the STAR method
  • •Review your resume and be ready to discuss every project
  • •Prepare thoughtful questions about the role and team

During the Interview

  • •Think out loud and explain your reasoning
  • •Ask clarifying questions before diving into solutions
  • •Start with a simple solution, then optimize
  • •Discuss trade-offs and alternative approaches
  • •Be honest about what you don't know

Salary Negotiation Guide

Research Phase

  • • Use Glassdoor, Levels.fyi, PayScale
  • • Consider location, company size, industry
  • • Factor in total compensation (equity, benefits)
  • • Know your market value

Negotiation Strategy

  • • Let them make the first offer
  • • Negotiate total package, not just salary
  • • Be prepared to justify your ask
  • • Consider non-monetary benefits

Sample Ranges (India)

  • • Junior DE: ₹6-12 LPA
  • • Mid-level DE: ₹12-20 LPA
  • • Senior DE: ₹20-35 LPA
  • • Lead/Principal: ₹35+ LPA

Ready to Ace Your Interview?

Get personalized interview coaching and mock interview sessions with our experts