Interview prep & tips with Ashwin Gahane

Prepare for data engineering interviews with 60 minutes of focused 1-on-1 coaching. We'll cover:

Technical Rounds:

• SQL optimization, window functions, complex queries
• PySpark fundamentals, RDDs vs DataFrames, performance tuning
• Azure Data Factory, Synapse, Databricks architecture
• Delta Lake, medallion architecture, data quality patterns
• Common interview questions from Accenture, HCL, Deloitte, Capgemini

Behavioral Rounds:

• STAR method for project stories
• Handling difficult situations (tight deadlines, technical debt, team conflicts)
• Why this role? Why this company?

System Design:

• Real-world pipeline design scenarios
• Scalability, cost optimization, security considerations

I've coached candidates through interviews at Fortune 100 companies and startups. We'll focus on your weak areas and practice live Q&A.