System design · Free PDF
System Design for Databases
Choosing a database, indexing, replication, sharding, consistency and vector stores.
System Design for Data Pipelines
Batch and streaming, queues, backfills, data quality and feature stores.
Free PDF · sent by email the day it’s ready
Who it’s for
For data and ML engineers asked to design the pipelines that feed models, dashboards and search indexes.
Expect questions on late data, reprocessing and how you know the data is right.
What it covers
- Batch vs streaming
- Queues
- Data quality
- Feature stores
What the guide will include
A framework for the round
Requirements, architecture, tradeoffs, evaluation and failure modes, in the order you say them.
Worked designs
Prompts worked end to end the way you would answer them at the whiteboard, with the diagram.
Tradeoffs to name
The choices interviewers push on, and what each option costs in latency, money and risk.
Failure modes and evals
How the system breaks in production, how you would notice, and what you would measure.
A PDF you can print
Read it on your phone before the call, or print the sections you want to drill.
Planned contents
The guide isn’t out yet, so chapters and their order may still change.
- 1. How the design round runs
- 2. Batch vs streaming
- 3. Queues
- 4. Data quality
- 5. Feature stores
- 6. Practice prompts
Free PDF
Get the Data Pipelines PDF free
Batch and streaming, queues, backfills, data quality and feature stores.
Questions about the guide
Is the PDF really free?
Yes. Leave your email and we send the PDF the day it is ready. No payment details, and every email has a one-click unsubscribe link.
Is it based on a specific company’s interviews?
No. It is written from the concepts the role or system depends on. We don’t name companies or claim to know what any one company asks.
When will it be ready?
It isn’t out yet. Leave your email and we send it the day it is; nothing else arrives before then.
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