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Free Lesson
Senior Data Engineer System Design, Live
45 min
Nov 12, 2026 8:00 PM
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What you'll learn
Turn a Vague Prompt Into Clear Requirementsde for data work
Ask the questions that set volume, latency, freshness and cost limits before you draw a single box.
Design for Scale, Late Data and Failure
Choose batch or streaming, handle late and duplicate events, and plan backfills and exactly-once delivery.
Know What Senior Interviewers Score
See how I'd score each part of the answer, and the trade-off talk that separates senior from mid-level.
Why this topic matters
Senior data engineering loops often turn on the system design round, and strong engineers lose it by naming tools before they understand the problem. In this session I'll take one real prompt, a real-time delivery tracking system, and design it live the way I'd want a senior candidate to: requirements first, then scale, failure and cost. You'll see what interviewers score, and leave with a design template you can reuse.
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