Ashish Kumar
Data Engineer. No fluff. Just what gets you hired into product
5 ratings and 7 bookings across all services
30 min live design interview + 15 min scored feedback. You design on the spot, I challenge scale, cost and trade-offs. We cover: data modelling, ETL/ELT design, batch vs streaming, Kafka/Spark choices, cloud storage and orchestration. You get: score on structure, depth and trade-offs, plus 3 drills to fix weak spots. Bring: target seniority and 1 system to practice.