Welcome to DataBites 🧩

DataBites is a weekly freemium newsletter designed to equip you with the practical skills needed to become a well-rounded data professional!

Who Is DataBites For?

I created DataBites as a place where data science concepts come to life in insightful, easy-to-digest "bytes."

This newsletter is perfect for data professionals and data-driven individuals who:

  • 🧠 Want to sharpen their data skills and stay ahead in the field.

  • 🚀 Care about career growth and prefer simple, clear explanations of complex topics.

  • 💚 Value work-life balance and want to optimize their professional journey with smart strategies.

Inside DataBites, I explore how these three aspects—skills, career, and balance—intersect to create a complete data professional.

Expect practical, actionable frameworks to help you thrive in all of them ✨

What to Expect? 🤔

DataBites is all about making data science engaging and accessible.

Here’s what you’ll get as a subscriber:

Josep’s Weekly Notes (Tuesdays): Personal reflections on key concepts, career strategies, and lessons learned—sometimes insightful, sometimes vulnerable.
SQL Crash Course (Thursdays): Bite-sized lessons to help you master SQL, whether you're a beginner or just refreshing your skills.
Weekly Bite (Sundays): A deep dive into essential data science topics, packed with actionable insights and a handy cheatsheet.
Code-Along Projects: Follow real-world projects to strengthen your coding skills with hands-on experience.

All this for less than a cup of coffee a month (€4.2/month) ‼️


Most popular issues!

Not sure if DataBites is right for you?

Check out some of our most-read issues and see for yourself! 👇🏻


And yes, when you subscribe to DataBites 🧩, you instantly get:

✅ Exclusive posts and access to 50+ past issues to accelerate your growth in data, career, and life.
✅ Instant access to my cheatsheet hub and weekly cheatsheets that simplify complex concepts.

✅ Access to my SQL crash course (under progress) to boost your database skills.
✅ A supportive community to connect with fellow data enthusiasts.
✅ A free SQL cheatsheet to help you navigate SQL with ease.

Never Miss an Update

As a subscriber, you’ll receive DataBites directly in your inbox three times a week—or you can check the latest issues anytime on Substack.

Let’s Connect!

I also help data professionals build personal brands that attract high-value opportunities. If you’re interested in working together, reach out!

You can also connect with me on X, Medium, BlueSky & Threads! 👨🏻‍💻

Join the DataBites crew and take your data journey to the next level!

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Weekly curated insights to make you a better data professional 🧩

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Outstand using data -- Data Science, Design and Tech Tech Writer @KDnuggets @DataCamp 👉🏻Inquiries in rfeers@gmail.com
Sharing Data Knowledge to improve your values