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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.
Mar 4
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Yordan Ivanov
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Why Businesses Ignore Data Engineering (and How to Fix It)
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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…
Mar 1
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Yordan Ivanov
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Mastering Apache Airflow: The Hands-On Guide to Workflow Automation
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February 2025
Pass the Behaviour Interview or How to Stop Being A Hater
5 red flags you may need to work on. I’ve stopped interviews for the 10th minute because of #4.
Feb 26
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Yordan Ivanov
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Pass the Behaviour Interview or How to Stop Being A Hater
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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…
Feb 19
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Yordan Ivanov
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PySpark Internals Explained: Essential Guide for New Data Engineers
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Essential Data Engineering Stakeholders: The Roles That Shape Your Work
Discover the important stakeholders data engineers engage with and why building strong relationships with them can shape your job.
Feb 11
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Yordan Ivanov
14
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Essential Data Engineering Stakeholders: The Roles That Shape Your Work
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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
Feb 5
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Yordan Ivanov
30
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Data Lakes For Complete Noobs: What They Are and Why The Hell You Need Them
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Level-Up Data Engineering: Write Rock-Solid Python With Strict Typings
You are reading Level-Up Data Engineering — a special monthly minicourse series designed to turn mid-level data engineers into senior.
Feb 1
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Yordan Ivanov
13
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Level-Up Data Engineering: Write Rock-Solid Python With Strict Typings
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January 2025
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
Jan 29
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Yordan Ivanov
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How Data Engineers Use DeepSeek to Write High-Impact Documents Faster
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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.
Jan 22
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Yordan Ivanov
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CSV vs. Parquet vs. AVRO: Pick the Optimal Format for Your Data Pipeline
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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…
Jan 15
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Yordan Ivanov
8
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Struggling with Keeping Database Environments in Sync? Here’s My Proven Fix
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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.
Jan 8
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Yordan Ivanov
12
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Merge vs Rebase in Git: Data Engineer’s Guide to Choosing the Right Workflow
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Recap: 2025
Here are th most popular articles of 2025 you may have missed.
Jan 4
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Yordan Ivanov
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Recap: 2025
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