Learn Data Engineering

The ultimate Data Engineering Academy. Teaching you everything you need to become a Data Engineer or add Data Engineering to your skillset. Proven system through my 10+ years of experience, over 2,000 students, over 50hours of video training material.

Founder

Udemy

I create free data & AI courses on Udemy for Data Engineers, Analysts, Scientists and beginners.

Course Author & Instructor

Kretz Media

At Kretz Media, we help innovative companies share their story and connect with the right audience. We specialize in creating authentic, high-impact content that makes complex topics understandable – and your brand unforgettable.

Whether it's a YouTube product demo, a livestream, a branded online course, or a strategic LinkedIn campaign – we turn your innovation into media that resonates.

LinkedIn

In this course you learn everything you need to know to design a NoSQL graph database and implement it in the cloud.

LinkedIn Learning Instructor

Bosch Rexroth

Data Lab Team Lead

Data Engineering Team Lead

Data Engineer

SALT Solutions GmbH

SAP Consultant

Hey there! I'm Andreas Kretz, your dedicated guide to the exciting realm of Data Engineering and the founder of the Learn Data Engineering Academy. With over years of specialized coaching experience, I've had the pleasure of helping more than 2,000 students reach their goals in this essential field.

I bring over 8 years of experience in Corporate Data Science, 14+ years in Computer Science and IoT, and a robust background as a Data Engineering and Data Labs Team Lead. My journey in Data Engineering has garnered global recognition, including being named a LinkedIn Top Voice in Data Science & Analytics in 2018, 2019, and 2024.

Here's what I do:
➡️ Learn Data Engineering Academy
I’ve trained over 2,000 students through my Academy, offering 30+ in-depth courses and projects with over 55 hours of video content, covering everything you need to excel in Data Engineering.

➡️ Media Work
In 2024, I helped my media partners achieve significant brand awareness, resulting in 1.21 million post views on LinkedIn, 250,000 video views on YouTube, and 235,000 sent emails with a 40% open rate. My efforts have built a vast network of over 100,000 engineers and scientists.

➡️ YouTube
On my YouTube channel, I simplify complex Data Engineering concepts and share valuable insights from the Academy. Join me for livestreams with industry experts, workshops, tool reviews, and deep dives into the latest architectures. It’s your go-to source for staying ahead in the data world.

If you're passionate about Data Engineering, eager to learn, or curious about the latest tools and techniques, hit subscribe. Let's explore the world of Data Engineering together!

Andreas Kretz

Freemen Nutra Group

Data & Analytics Specialist

Frensworkz Software Technology Co., Ltd

* Responsible for liaising with business reporting requirements, completing requirement analysis and report design.
* Responsible for data modeling at the application layer for reports.
* Responsible for the development of reports and dashboards.

Power BI Developer

DXC Technology

* Mainly responsible for interfacing with business report requirements, completing requirements analysis, and report design.
* Responsible for data modeling at the application layer of reports.
* Responsible for developing reports and dashboards to meet business needs.
* Responsible for Power BI report development, testing, publishing, and setting permissions.
* Responsible for handling ad-hoc report analysis requirements.

Technology Consultant

鼎捷软件股份有限公司

* Mainly responsible for the delivery and implementation of the TBB project, including customer requirement analysis, issue resolution, post-report maintenance, TBB project implementation flowcharts, implementation steps, and related delivery documents.
* Based on the need for standardization of the workflow and implementation process of the data analysis
platform TBB, combined with customer requirements, edit and write implementation flowcharts for TBB projects.
* Responsible for developing and implementing TBB data product applications to meet customer needs, aiming for faster and more efficient project delivery.
* Responsible for gathering customer requirements, customizing exclusive reports (data visualization), and distributing reports to different roles based on customer needs. Set up scheduled updates for the reports.
* Responsible for the post-report maintenance of TBB, including adjustments to dashboard data or fields, and modifications to calculation logic of charts (such as indicator cards, various graphs). Verify and validate data accuracy. Also responsible for developing additional reports as per customer requirements.
* Responsible for addressing TBB client inquiries, including handling technical implementation issues internally among consultants and addressing feedback from external clients regarding TBB usage.

Senior Implementation Consultant

上海音智达信息技术有限公司

* The company's main business involves providing data reporting products to industries such as electronics and luxury goods. Responsibilities include subsequent tasks of report querying, setting metrics, writing logic, and fine tuning details.
* Use Power BI to set report metrics, write calculation logic based on enterprise parameter relationships, add fields, dimension tables, etc., and make adjustments based on customer feedback.
*Regularly collect customer data usage requirements, perform database queries using T-SQL, and verify against actual business data of customers.
* Use Power Query for ETL processing of data and establish data models using Power BI.
* Use Power BI Desktop to publish completed reports to Power BI Service for production deployment. Tasks include setting permissions, scheduling refreshes, and installing gateways.

Business Intelligence Consultant

Ant Group

* Utilized SQL for data cleaning and feature analysis in the context of risk decision-making, constructed derived tables, completed feature engineering, and performed data binning.
* Selected key predictive features from over 20+ variables using WOE (Weight of Evidence) and IV (Information Value), and developed a logistic regression model in Python to predict user behavior risk levels.
* Based on significant features, wrote JavaScript scripts for variable characterization, assisted in daily strategy development, and participated in AB testing to deploy strategies.
* Collaborated with the modeling team on various projects, gaining in-depth understanding of the model strategy life cycle, and assisted in replacing and deploying both new and existing model strategies.

Assistant Business Analyst

Mainly responsible for BI report development and requirements analysis, covering industries such as retail and
automotive.
1. Proficient in requirements analysis, independently completing tasks such as report prototype design, BI
development, UAT testing, and product training.
2. Expertise in Power Query data cleansing, Power BI modeling, DAX, Power BI development, and Power BI Service
environment deployment.
3. Languages: Mandarin Chinese (native), English (fluent).
4. Skills: Microsoft Office, SQL, SQL Server, Databricks, R, Python, SAS.
5. Certifications: SAS Advanced Analyst, PMP, Microsoft DP-900.

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Andreas Kretz

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