System Design for Data Professionals with Rajat Raj

System Design for Data Professionals

Rajat Raj

Rajat Raj

Rajat Raj. I guide people aspiring for data analytics and BI roles.

11 ratings and 112 bookings across all services

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About this product

Stop thinking like a query writer.

Start thinking like a system designer.

This guide teaches you how real companies design scalable data systems — not just dashboards.

You will learn:

• End-to-end data architecture design

• Data warehouse vs lakehouse decisions

• BigQuery / Snowflake architecture patterns

• Real-time vs batch pipelines

• Data modeling for analytics

• KPI layer & semantic layer design

• ETL vs ELT architecture

• Observability & data quality systems

• Scaling dashboards for 1M+ users

• Interview-style system design case studies

Includes:

✔ Visual architecture diagrams

✔ Real company-style case breakdowns

✔ Step-by-step system thinking framework

✔ Interview-ready answers

✔ Resume positioning guidance

If you want to move from ₹12L → ₹25L+ → ₹40L+ roles

You must understand systems — not just tools.

What are people saying

The mentor call with Rajat Raj was really helpful—he patiently answered my doubts
venkata
Aug 2025
Yet another amazing session. I would 100% recommend Rajat to anyone in the data field.
Marcia Rajan
Aug 2025
Amazing call. I'm a BI analyst in UK, looking to transition to India. Rajat rightly understood all my skills and needs and gave me a clear strategy to follow :) Very helpful and friendly.
Marcia Rajan
Aug 2025
Session was very interesting and interactive. Very crisp and clear guidance according to the situations. Thank you so much.
Vaibhav Jain
Aug 2025
I had a highly productive session with Rajat today. He demonstrated remarkable expertise and a very approachable style, offering tailored advice crucial for my transition into data analytics. His insights on refining my LinkedIn profile, structuring my resume, and developing an effective job search strategy were particularly impactful. Overall, it was an excellent engagement, and I am eager to apply his recommendations and continue our discussions.
PRANOY CHAKRABORTY
Jun 2025
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