
Data Nerds! I just launched a FREE course on "dbt for Data Analytics & Engineering"
But what the heck is dbt?
Data Nerds! Which course would you actually take this year? (DA = Data Analyst, DE = Data Engineer)
Courses to select fromπ:
π§± dbt for Data Analysts & Engineers
Who it's for: you write SQL and want to move up to production-level work
Prerequisite: SQL basics
You'll learn: turning your queries into tested, documented pipelines that run daily and that companies trust
π Airflow for Data Engineers
Who it's for: engineers (current or aspiring) whose pipelines need to run on a schedule, not by hand
Prerequisite: Python & SQL basics
You'll learn: scheduling and orchestrating your SQL and Python so everything runs without you touching it
β‘ Spark & Databricks for Engineers
Who it's for: engineers hitting data too big for pandas, Excel, or one machine
Prerequisite: Python & SQL basics
You'll learn: processing massive datasets with Spark on Databricks, one of the most popular data platforms
π€ Claude for Data Analysts
Who it's for: analysts who want AI speeding up their everyday analysis, not replacing their judgment
Prerequisite: None
You'll learn: prompting with your own data, verifying AI output, and turning one-off chats into repeatable workflows
Vote, then drop a comment with which one you picked and what you'd build with it. The comments help me more than the votes.
Data Nerds! "Don't bother learning new skills, AI will just automate them for you!"
That's the logic behind a comment I got on my Data Engineering Bootcamp. (He called the video "Peak Stone Age content,β a pretty witty comment if Iβm being honest π€£)
His point: AI writes the SQL now, so why learn it?
And he's actually half right. AI is changing the way we work, and it's here to stay.
By most estimates, AI can already handle 30-40% of an analyst's weekly grind (boilerplate SQL, data cleaning, cookie-cutter dashboards); HOWEVER, it's mostly assisting people, not replacing them. Nearly 80% of AI use is augmentation, not automation. (Source: Anthropic's Economic Index)
But here's where he misunderstood my bootcamp: It was never about memorizing a tool like SQL.
The bootcamp focuses on the concepts first, THEN applying them with the tools. (Oh, and later on in your journey, it includes using AI to augment your workflow π)
Hereβs the tricky part, though?
AI is just a crutch until you learn the fundamentals on your own. You can't steer it or catch the mistakes it'll make if you don't understand what it's doing.
AI is the worker. I'm the manager. And you canβt manage what you donβt understand.
Data Nerds! I just launched my free Data Engineering Bootcamp!
Now, if you ask ten people what a data engineer does, you'll get ten different lists of tools. π
BUT if you strip it back to the core fundamentals, the job is much simpler: build the pipelines that get clean, reliable data where it needs to go.
That's what this 27-hour course teaches: focusing on engineering concepts first. The tools (SQL, Python, Cloud, Bash) are just how we put those concepts to work.
This is built for three crowds: complete beginners, data analysts going deeper, and software engineers moving into data. You'll cover:
π§± DE Fundamentals: the data lifecycle, ETL vs ELT, warehouses vs lakes, and orchestration
π SQL: from everyday queries to launching production pipelines in the cloud
π Python: from coding basics to building data pipelines with Pandas
π€ AI: built in throughout to help you learn and work faster
And since the best way to prove experience is by building, youβll ship three pipelines to GitHub:
π Query and model a real database in SQL
π A full data warehouse and ETL process, end to end
π An analytical pipeline in Python, from raw data to insight
P.S. I'm looking for recommendations for more advanced courses that I'll be building next. What ya got?
Data Nerds! It's only taken me over 2 years, but I finally launched my FREE Data Analyst Bootcamp!
This 35-hour video is what I wish I'd had when I got started; it's for those with no degree or experience, helping one go from zero to job-ready.
For this bootcamp, weβre focusing on the top 4 demanded skills for a Data Analyst
1οΈβ£ SQL (45% of job postings)
2οΈβ£ Excel (32%)
3οΈβ£ Python (31%)
4οΈβ£ Power BI (28%)
But here's what makes this more than just a "How-To" video. It's not about the tools. The real work is learning how to be a data analyst and actually perform the analytics. The tools? They're just a necessity to facilitate it.
And the best way to learn all that? You build it:
π 6 hands-on portfolio projects (because employers want experience)
π€ AI built into your workflow to learn and work efficiently
π GitHub to share everything you build
So you finish each skill with something real to show, not just a "completed" badge.
Now the real talk. I pulled the numbers from my own course-takers on how long each skill will take to learn:
π SQL ~3 months
β Excel ~3 months
π Power BI ~2 months
π Python ~6 months
Realistically, that's 8 to 12 months to transition if you're doing this part-time.
Alright, let's get to building. π€
Data Nerds! I ranked every data engineering tool by how often it shows up in 4M+ job postings. π
But here's the catch π³.
Some critical skills show up way less than they should because they're often assumed to be foundational skills for jobs. (e.g., Skills like Bash/Terminal for running pipelines)
Anyway, here's the breakdown of the tiers π (Note: % = how often each tool appears in DE job postings)
π΄ S TIER β Non-Negotiable
The core skills needed for any DE job. Don't apply without these:
π SQL (~68%) β every warehouse runs on it. Query, transform, and model data.
π Python (~67%) β the pipeline language. Ingestion, automation, APIs, glue between systems.
β¨οΈ Terminal/Bash (~11%) β every tool you'll use runs from here. This is highly undervalued in postings.
π Git (~11%) β version control. Every team uses it. Same posting-% caveat as Bash.
βοΈ One cloud platform + warehouse (~26-46%) β AWS + Redshift, GCP + BigQuery, or Azure + Synapse. Combined cloud presence is in nearly every posting.
Start with SQL, then Python. Everything else you absorb alongside them.
π A TIER β Job-Ready Foundation
The tool that closes the gap from "learning DE" to "hireable for modern stacks":
πͺ dbt (~10%) β only 10% of all DE postings, but 36% in Analytics Engineer (AE) roles.
That's not a niche, it's a leading indicator. AE is the new hybrid role modern data teams are hiring for: part analyst, part engineer.
β
Land the job with S + A. Pass the interview with conceptual knowledge of B Tier π
π‘ B TIER β Interview-Aware
Know what they solve. Don't expect to code from scratch:
βοΈ Airflow (~17%) β orchestration. Built on DAGs (directed acyclic graphs).
β‘ Spark (~38%) β distributed computing for processing large datasets.
π Kafka (~19%) β real-time event streaming between systems.
All these depend on a foundational knowledge of Python & SQL; don't jump the gun learning these.
π’ C TIER β Data Platform Awareness
Pick the one your company uses. Understand both conceptually:
βοΈ Snowflake (~26%) β pure SQL warehouse. Optimized for analytics. Modern-stack favorite.
π§± Databricks (~24%) β lakehouse on Spark. Handles structured + unstructured. ML/AI heavy teams.
π΅ D TIER β Versatility Multipliers
Lower headline demand, but high value per hour:
π Power BI (~15%) / Tableau (~10%) β but the kicker: in AE roles these jump to 28% / 33%.
Modern data teams want pipeline builders who can also visualize. For analysts pivoting to DE, lead with this in interviews.
π£ E TIER β Path-Dependent
High demand on paper, but concentrated in legacy enterprise stacks. Skip until your job requires it:
β Java (~25%) β legacy enterprise data infrastructure
βοΈ Scala (~22%) β Spark's native language. Spark-heavy shops.
π₯ How did I derive this ranking? In my latest video, I walk through the concepts first (the DE lifecycle, what each tool actually solves) and then derive the tiers. (Link in comments π)
β οΈ Fundamental DE concepts are more important than focusing on tools first.
I break down how I rank these tools based on the core concepts hereπ youtu.be/_-DzZeixu0w
Data Nerds! I just launched a FREE 10-Day Crash Course on Becoming a Data Engineer! π οΈ
This course is for the analyst whose boss heard 'I know SQL' and somehow translated that to 'build our entire data infrastructure.' π΅
Over the course of 10 days, I'll deliver it straight to your inbox, one email at a time:
π§βπ» Day 1: What Data Engineers actually do
π Day 2: The Data Engineering Lifecycle β the framework everything clicks around
π οΈ Day 3: Essential DE tools β backed by real job posting data
ποΈ Day 4: Data warehouses, lakes, and lakehouses
π Day 5: Data modeling β the skill that separates analysts from engineers
π₯ Day 6: Batch vs. streaming ingestion
π§ Day 7: ETL, ELT, and transformations
π Day 8: Serving data to the business
βοΈ Day 9: Orchestration and production pipelines
πΊοΈ Day 10: Your DE learning roadmap
π Bonus: How to land your data job
It's the crash course I wish I had back when I was nodding along to words like 'orchestration' and 'ingestion' and praying nobody asked me to define them. π
No fluff. No tool-of-the-week hype. Just the concepts that make the rest of it click.
π© Link in the first comment π
π€ Made with AI
Data Nerds! I just rebuilt datanerd.tech, my free job market intelligence app. π²
But first, why the heck is this app even needed?
Ask any AI what the top skills for data analysts are, and you'll get a confident answer β pulled from the same biased sources that have always polluted this topic.
Colleges list outdated technologies to justify their aged programs. Course providers list their own courses as "top skills." Influencers (including me) are falling for it, too.
As someone who wasted months learning outdated tools because I thought it was βrelevantβ (...thanks, Microsoft Access π€¦πΌββοΈ)
I built an app that cuts through the noise.
π
πΌββοΈΒ No opinions. No agendas.
π Just an analysis of real-time job postings telling you exactly what employers are actually demanding.
Since launching 3 years ago, datanerd.tech has aggregated over 4 million job postings so data nerds like you can focus on the skills that actually matter and stop wasting time on the ones that don't.
And here's what the rebuild actually brought:
π A faster, cleaner pipeline pulling real-time job postings from around the world
π A brand new job search feature where you enter YOUR current skills and find recently posted jobs that match you
No more "what should I learn next?" Just data telling you where you stand and what's in demand right now.
Tomorrow I'm dropping a full walkthrough video on everything the app can do. Stay tuned. π





