Nnaemezue Obi-Eyisi – Medium

Nnaemezue Obi-Eyisi

Pinned

I Almost Got Fired Because of Pandas on Databricks — Here’s What You Should Learn From My Mistake

Just because your code works doesn’t mean it scales.

May 3

I Almost Got Fired Because of Pandas on Databricks — Here’s What You Should Learn From My Mistake

May 3

Databricks Just Changed the Game with LakeFlow — But Is It Too Smart for Its Own Good?

It’s not often that a new tool makes me stop mid-scroll and say, “Wait… this changes everything.” But that’s exactly what happened when I…

1d ago

Databricks Just Changed the Game with LakeFlow — But Is It Too Smart for Its Own Good?

1d ago

I Thought Databricks Lakebase Wasn’t Groundbreaking — Then I Took a Closer Look

I’ll be honest — when I first saw the announcement for Databricks Lakebase, my reaction was: “Wait… haven’t we seen this before?”

3d ago

I Thought Databricks Lakebase Wasn’t Groundbreaking — Then I Took a Closer Look

3d ago

So You Want to Become a Data Engineer? Read This First.

The hype is real.

5d ago

So You Want to Become a Data Engineer? Read This First.

5d ago

How I’m Upskilling as a Data Engineer in 2025

In 2022, learning Spark and SQL made me feel like a data wizard. In 2025, they feel like table stakes. So what now?

Jun 6

How I’m Upskilling as a Data Engineer in 2025

Jun 6

Not All Data Errors Throw Exceptions: How Business Logic Violations Quietly Ruin Trust

In today’s world of big data, distributed systems, and real-time analytics, data quality has quietly become the backbone of trustworthy…

Jun 5

Not All Data Errors Throw Exceptions: How Business Logic Violations Quietly Ruin Trust

Jun 5

The RAG Pipeline From Hell: How I Survived My Worst Data Engineering Week

The Costly Mistakes I Made Parsing Unstructured Data for a RAG Project — and How You Can Avoid Them

Jun 4

The RAG Pipeline From Hell: How I Survived My Worst Data Engineering Week

Jun 4

The Data Engineering Interview Pitfalls No One Talks About (But Many Make)

“I solved the coding problem. I answered the SQL question. I even mentioned Spark… but I didn’t get the job.”

Jun 3

The Data Engineering Interview Pitfalls No One Talks About (But Many Make)

Jun 3

How GitHub Copilot Agent Mode is Reshaping My Workflow as a Data Engineer

“Do you want me to just write the test for you?” That’s the kind of nudge GitHub Copilot Agent Mode gave me recently — and it changed how…

Jun 1

How GitHub Copilot Agent Mode is Reshaping My Workflow as a Data Engineer

Jun 1

I Had a Colleague Ask Me How to Do Incremental Load on a Complex Reporting Table — Here’s What I…

One of the most common performance pain points I see in data pipelines is this:

May 29

I Had a Colleague Ask Me How to Do Incremental Load on a Complex Reporting Table — Here’s What I…

May 29

Nnaemezue Obi-Eyisi

Nnaemezue Obi-Eyisi

I am passionate about empowering, educating, and encouraging individuals pursuing a career in data engineering. Currently a Senior Data Engineer at Capgemini

Following

Help

Status

About

Careers

Press

Blog

Privacy

Rules

Terms

Text to speech