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Beyond Senior Data Engineer: Skills & Strategies for the Next Big Step

Going beyond senior isn’t just about writing better code. It’s about impact, strategy, and navigating complex systems. Here’s how to take the next step in your data engineering career.
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Data Engineering

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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…
 • 
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…
 • 
Yordan Ivanov
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…
 • 
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
 • 
Yordan Ivanov
4
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.
 • 
Yordan Ivanov

Career in Data

View all
Beyond Senior Data Engineer: Skills & Strategies for the Next Big Step
Going beyond senior isn’t just about writing better code. It’s about impact, strategy, and navigating complex systems. Here’s how to take the next step…
 • 
Yordan Ivanov
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.
 • 
Yordan Ivanov
2
Level-Up Data Engineering: Block Time, Learn Faster, Achieve More
How to create a learning plan for technical and soft skills to achieve your 2025 goals
 • 
Yordan Ivanov
12 Bold Christmas Challenges for Data Engineers to Crush 2025 Goals
This Christmas, unwrap 12 big wishes to level up your skills and become a stellar data engineer in 2025.
 • 
Yordan Ivanov
From Mediocre to Mastery: Own Your Growth as a Standout Data Engineer
Should you go deep into technical skills or balance them with business? Find out which path leads to data engineering success.
 • 
Yordan Ivanov

Data and Business

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Europe’s Cloud Crisis: Why US Tech Giants Hold the Power & What Must Change
Europe’s data infrastructure is built on US clouds. But what if that changes? With rising tensions and no European alternative, data engineers must…
 • 
Yordan Ivanov
 and 
Adrian Stanek
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
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.
 • 
Yordan Ivanov
4
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
Small Business Growth Made Easy: Big Data Strategies You Can Use
Discover how data engineers help small business owners leverage big data tools to make smarter decisions, boost efficiency, and drive revenue—no data…
 • 
Yordan Ivanov

Recent posts

View all
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…
 • 
Yordan Ivanov
2
Europe’s Cloud Crisis: Why US Tech Giants Hold the Power & What Must Change
Europe’s data infrastructure is built on US clouds. But what if that changes? With rising tensions and no European alternative, data engineers must…
 • 
Yordan Ivanov
 and 
Adrian Stanek
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
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…
 • 
Yordan Ivanov
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.
 • 
Yordan Ivanov
2
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…
 • 
Yordan Ivanov
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.
 • 
Yordan Ivanov
4
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
 • 
Yordan Ivanov
4
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.
 • 
Yordan Ivanov
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
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.
 • 
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…
 • 
Yordan Ivanov
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