Data Gibberish

Data Gibberish

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How to make your SQL 10x faster (and silence the “AI can’t help with that” crowd)

A 4-week deep dive into schema-aware prompts, query plans, and AI-assisted indexing, built for engineers who give a damn about performance.
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Building with data

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How to make your SQL 10x faster (and silence the “AI can’t help with that” crowd)
A 4-week deep dive into schema-aware prompts, query plans, and AI-assisted indexing, built for engineers who give a damn about performance.
 • 
Yordan Ivanov
Learn Snowflake in 90 days (without losing your mind)
A step-by-step playbook to become snowflake-proficient even if you're a beginner
 • 
Yordan Ivanov
A battle-tested analytics stack for teams who need speed, clarity, and control
If you're building an analytics platform from scratch, here's the exact stack I'd use today. Tools, trade-offs, and practical lessons behind a modular…
 • 
Yordan Ivanov
The Only Guide You’ll Need for Testing Your Data Pipelines With Confidence
By the end, you’ll walk away with a working pipeline test suite, custom GX checkpoints, and a README you’d be proud to ship.
 • 
Yordan Ivanov
Graph Data Structures for Data Engineers Who Never Took CS101
Your gentle intro to graphs through real examples from data pipelines, DAGs, and lineage — designed for engineers who never learned this in school.
 • 
Yordan Ivanov
3

Strategic data partnership

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If I could start over, this is how I'd build our analytics platform
Here are some hard lessons I learned from the battle grounds of building and migrating data platform tooling
 • 
Yordan Ivanov
1
Data Engineering Migrations Are Hard
The brutal truth is that you’re likely to fail at migration projects unless you fix this
 • 
Yordan Ivanov
How I Scope Minimum Viable Data Products That Prove Value Fast
You don’t need a perfect pipeline to prove value. I share my method for building lightweight data solutions that get early feedback and build trust…
 • 
Yordan Ivanov
Why Businesses Ignore Data Engineering (and How to Fix It)
Most companies underfund data engineering—until it's too late. Here are three key reasons why it happens and how you can turn things around.
 • 
Yordan Ivanov
2
How Data Engineers Use DeepSeek to Write High-Impact Documents Faster
Find out how generative AI can streamline workflows, cut manual effort, and boost the clarity of your documents
 • 
Yordan Ivanov

Leading with data

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How to hire your first data engineer (and when not to)
The playbook founders and eng leaders need before they make a $150k mistake
 • 
Yordan Ivanov
Two massive mistakes that nearly ended my data career
What deleting prod and racking up $8k in AWS taught me about being a real data engineer
 • 
Yordan Ivanov
How to build a powerful data engineering portfolio website (even if you suck at frontend) in 4 weeks
This is the no-BS guide for data engineers who want to publish a legit tech portfolio that looks good and works. Without wasting time on design rabbit…
 • 
Yordan Ivanov
5 Red Flags of Mediocre Data Engineers
These 5 signs mean you may never become a senior engineer unless you address your flaws.
 • 
Yordan Ivanov
1
The Week of a Head of Data Engineering
Here’s how my week looks and what you can expect if you want to become a head of data
 • 
Yordan Ivanov
1

Recent posts

View all
This is the official upgrade of Data Gibberish
We are going from random tips to full career leverage system
 • 
Yordan Ivanov
How to hire your first data engineer (and when not to)
The playbook founders and eng leaders need before they make a $150k mistake
 • 
Yordan Ivanov
Two massive mistakes that nearly ended my data career
What deleting prod and racking up $8k in AWS taught me about being a real data engineer
 • 
Yordan Ivanov
Learn Snowflake in 90 days (without losing your mind)
A step-by-step playbook to become snowflake-proficient even if you're a beginner
 • 
Yordan Ivanov
A battle-tested analytics stack for teams who need speed, clarity, and control
If you're building an analytics platform from scratch, here's the exact stack I'd use today. Tools, trade-offs, and practical lessons behind a modular…
 • 
Yordan Ivanov
How to build a powerful data engineering portfolio website (even if you suck at frontend) in 4 weeks
This is the no-BS guide for data engineers who want to publish a legit tech portfolio that looks good and works. Without wasting time on design rabbit…
 • 
Yordan Ivanov
If I could start over, this is how I'd build our analytics platform
Here are some hard lessons I learned from the battle grounds of building and migrating data platform tooling
 • 
Yordan Ivanov
1
Data Engineering Migrations Are Hard
The brutal truth is that you’re likely to fail at migration projects unless you fix this
 • 
Yordan Ivanov
Semantic Models: Data Modelling for the Modern Data Stack
How Semantic Models work and how will they change our work
Published on Pipeline To Insights • 
5 Red Flags of Mediocre Data Engineers
These 5 signs mean you may never become a senior engineer unless you address your flaws.
 • 
Yordan Ivanov
1
The Week of a Head of Data Engineering
Here’s how my week looks and what you can expect if you want to become a head of data
 • 
Yordan Ivanov
1
The Only Guide You’ll Need for Testing Your Data Pipelines With Confidence
By the end, you’ll walk away with a working pipeline test suite, custom GX checkpoints, and a README you’d be proud to ship.
 • 
Yordan Ivanov
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