“CrackNonTech's focused prep and data-driven approach helped me crack Fractal. Their insights made me interview ready.”
The Challenge
I had some exposure to SQL and data tools but had not done any serious, structured preparation for data engineering interviews. I needed to significantly sharpen my technical depth and query writing speed.
Preparation with CrackNonTech
The data analytics track at CrackNonTech put me through SQL challenges, case studies involving data interpretation, and live coding sessions. The feedback on my query structure and optimization was highly specific and actionable.
The Interview and Selection
Fractal's interview was technically demanding. I was asked to write optimized queries, explain data modeling decisions, and walk through a data pipeline architecture. All of this had been covered in the fellowship.
Advice for Aspirants
Do not just learn SQL — practice writing production-quality queries under time pressure. That is the standard that data engineering interviews expect.



