Data Gibberish

Data Gibberish

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Building with data

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…
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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.
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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.
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Yordan Ivanov
3
13 Command-Line Tools to 10x Your Productivity as a Data Engineer
If you work with data and live in the terminal, these CLI tools belong in your daily toolkit. Lightweight, fast, and built for real productivity.
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Yordan Ivanov
Meet uv: The Blazing-Fast Python Package Manager Data Engineers Love
Say goodbye to sluggish dependency management. uv is a modern, high-performance package manager designed for Python power users. Here’s everything you…
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Yordan Ivanov
2
Mastering Apache Airflow: The Hands-On Guide to Workflow Automation
From setting up Apache Airflow to writing dynamic DAGs, this hands-on tutorial covers everything you need to know to master workflow automation and take…
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Yordan Ivanov
3
PySpark Internals Explained: Essential Guide for New Data Engineers
Behind the scenes of PySpark: decode its architecture, learn how it handles transformations and actions, and optimise your workflows for high-speed data…
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Yordan Ivanov
Data Lakes For Complete Noobs: What They Are and Why The Hell You Need Them
Everybody around you and me talk about warehouses and lakehouses. Here’a why data lakes are not dead yet
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Yordan Ivanov
4
Level-Up Data Engineering: Write Rock-Solid Python With Strict Typings
This mini-course is part of the Level-up data engineering playlist.
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Yordan Ivanov
CSV vs. Parquet vs. AVRO: Pick the Optimal Format for Your Data Pipeline
Not all file formats are equal. Learn when to use CSV, Parquet, or AVRO for the best balance of performance, scalability, and storage efficiency.
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Yordan Ivanov
Struggling with Keeping Database Environments in Sync? Here’s My Proven Fix
Are you stuck managing chaotic database environments? Discover how I implemented a proven, hassle-free approach to effortlessly sync dev and production…
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Yordan Ivanov
Merge vs Rebase in Git: Data Engineer’s Guide to Choosing the Right Workflow
Learn the inner workings of merge and rebase in Git, uncover their key differences, and get actionable advice on when to use each.
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Yordan Ivanov
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