Joseph Opene (@joseph_opene) 's Twitter Profile
Joseph Opene

@joseph_opene

Lead Data Analyst | Data Engineer | Helping Businesses Turn Data Into Decisions | Power BI Expert | SQL & Python Specialist | Microsoft & Google Certified

ID: 1687925068569931777

calendar_today05-08-2023 20:34:45

79 Tweet

113 Followers

55 Following

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How to Find Jobs Before They Hit Job Boards in 2026. Most people rely on job boards alone. By the time many roles appear publicly, hundreds of candidates may have already applied. A more effective approach is to combine LinkedIn Boolean search with direct searches on company

How to Find Jobs Before They Hit Job Boards in 2026.

Most people rely on job boards alone. By the time many roles appear publicly, hundreds of candidates may have already applied.

A more effective approach is to combine LinkedIn Boolean search with direct searches on company
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I’m really glad you’re finding the content useful🙌🏾 That’s exactly why I share, to make data feel less intimidating. Welcome to the page!

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Wondering what’s the fastest way to ruin analysis? BAD INPUT DATA One wrong spelling, one random emoji, one “N/A maybe?”, and suddenly your entire dataset becomes unusable. A junior analyst recently told me he was struggling with a customer survey dataset. He said: “I spent

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Your Power BI Report/Dashboard isn’t slow, it’s confused. And Power BI hates confusion. Last month, a client called me in frustration. “Joseph, our dashboard is taking 30 seconds to load The team has stopped using it. We’re going back to Excel” I smiled, because I’ve heard

Your Power BI Report/Dashboard isn’t slow, it’s confused.
And Power BI hates confusion.

Last month, a client called me in frustration.

“Joseph, our dashboard is taking 30 seconds to load
The team has stopped using it. We’re going back to Excel”

I smiled, because I’ve heard
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🔐 When Excel Meets Confidential Data - You Don’t Just Work Smart, You Work Secure. One of the most critical Excel projects I ever handled was a payroll analytics workbook, a file that contained employee salaries, performance bonuses, tax deductions, and executive compensation

🔐 When Excel Meets Confidential Data - You Don’t Just Work Smart, You Work Secure.

One of the most critical Excel projects I ever handled was a payroll analytics workbook, a file that contained employee salaries, performance bonuses, tax deductions, and executive compensation
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Everyone says “get certified.” Some Recruiters say “show me what you’ve built.” So which one actually gets you hired? In this Space, we’ll break down: - When certifications help (and when they don’t) - Why real-life projects catch recruiters’ attention - What hiring managers

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🔥 Your business is not losing customers overnight. You’re losing them one silent day at a time, and most companies don’t even notice. The most dangerous customer isn’t the one who complains. It’s the one who quietly stops buying… and disappears without a word. That's why the

🔥 Your business is not losing customers overnight.
You’re losing them one silent day at a time, and most companies don’t even notice.

The most dangerous customer isn’t the one who complains.
It’s the one who quietly stops buying… and disappears without a word.

That's why the
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⏳The moment you start working with dates seriously… you realize basic functions (YEAR, MONTH, DAY) won’t save you. It happened to me during a workload-planning project. The task looked simple: “Calculate the number of working days between project start and end.” I thought:

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Sunday Reflection: Data, Automation & the Quiet Power of Systems Sundays remind me of something we often forget in the tech world: It’s not the big innovations that transform your workflow, it’s the small systems you build consistently. Every dataset tells a story. Every

Sunday Reflection: Data, Automation & the Quiet Power of Systems

Sundays remind me of something we often forget in the tech world:

It’s not the big innovations that transform your workflow, it’s the small systems you build consistently.

Every dataset tells a story.

Every
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🚨The Most Dangerous Power BI Metric Is the One That Looks Right But Many are Technically Wrong. If your “YoY” looks too good to be true… you’re probably calculating it wrong. There’s a painful moment every Power BI analyst hits. You build a beautiful report. Stakeholders

🚨The Most Dangerous Power BI Metric Is the One That Looks Right But Many are Technically Wrong.

If your “YoY” looks too good to be true… you’re probably calculating it wrong.

There’s a painful moment every Power BI analyst hits.

You build a beautiful report.
Stakeholders
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🚨 90% of Data Analyst Interviews Repeat the Same Questions - But Most Candidates Still Walk In Unprepared. After years working as a Data Analyst, Power BI Developer, Data Engineer and Automation Expert - across Gold Standard Consulting Firms, Fintech, and Enterprise

🚨 90% of Data Analyst Interviews Repeat the Same Questions - But Most Candidates Still Walk In Unprepared.

After years working as a Data Analyst, Power BI Developer, Data Engineer and Automation Expert - across Gold Standard Consulting Firms, Fintech, and Enterprise
Joseph Opene (@joseph_opene) 's Twitter Profile Photo

🎯Years in Data Taught Me 9 Lessons You Only Learn the Hard Way When I started, I thought being a “data analyst” meant knowing SQL, Power BI, Excel, and maybe Python. Years later, I realized the tools were the easy part, the real skill was everything around the tools. Here are

🎯Years in Data Taught Me 9 Lessons You Only Learn the Hard Way

When I started, I thought being a “data analyst” meant knowing SQL, Power BI, Excel, and maybe Python.
Years later, I realized the tools were the easy part, the real skill was everything around the tools.

Here are
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📅 Your Excel Tenure Math Is Lying to You (By One Year). Excel Date Calculations - The Subtle Trap of Tenure Math. You think your Excel date formulas are perfect… until one number looks off, usually by one year. That happened to me too. I once built an employee tenure

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Stuck jumping from Tutorial to Tutorial but never building ?? You don’t know it but you’re stuck in TUTORIAL HELL. 🗓️Join us Saturday, 21st February 2026, at 8PM to discuss - Tutorial Hell - WHY it happens and - HOW to escape the loop Would be hosting this space with top Data