Andreas Kretz (Learn Data Engineering)

Andreas Kretz (Learn Data Engineering)

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Whiteboard explainers on data engineering architectures, pipelines, Spark/Kafka; career guidance and portfolio tips

The Tech Job Market Crash Explained | Insights From a Data Engineer
VideoApr 13, 2026

The Tech Job Market Crash Explained | Insights From a Data Engineer

The video dissects the recent tech‑job market collapse, attributing it to over‑optimistic hiring during the pandemic and the ensuing budget strain from AI adoption. It argues that the downturn isn’t a sign of tech dying, but a correction of inflated...

By Andreas Kretz (Learn Data Engineering)
AI Will Ruin Data Analyst Jobs
VideoApr 11, 2026

AI Will Ruin Data Analyst Jobs

The video warns that generative AI threatens traditional data‑analyst positions by automating core tasks such as query writing. The speaker points out that modern language models can produce accurate SQL statements from brief prompts when supplied with schema information, effectively eliminating...

By Andreas Kretz (Learn Data Engineering)
AI Can't Make the Right Decisions
VideoApr 9, 2026

AI Can't Make the Right Decisions

The video argues that artificial intelligence is not a fleeting fad but a lasting technology, though its present performance is the worst we’ll see for some time. The speaker cautions against hype‑driven timelines, noting that while AI will improve dramatically, it...

By Andreas Kretz (Learn Data Engineering)
The New Amazon Sagemaker Walkthrough | Showing All Features
VideoMar 24, 2026

The New Amazon Sagemaker Walkthrough | Showing All Features

The video walks viewers through Amazon SageMaker’s newly refreshed Unified Studio, a fully managed, browser‑based environment that requires no local installation. By logging in with existing IAM permissions, users instantly access data catalogs, S3 buckets, and a suite of connection...

By Andreas Kretz (Learn Data Engineering)
The Worst Data Platform Ever?
VideoFeb 23, 2026

The Worst Data Platform Ever?

The video spotlights a deliberately terrible data architecture built around electric‑vehicle charging stations, using a single PostgreSQL instance as the backbone for every function—from charger telemetry to customer‑facing applications. By routing each charger through a VPN tunnel straight to the central...

By Andreas Kretz (Learn Data Engineering)
Databricks Keeps Raising the Bar With This New Feature!
VideoFeb 19, 2026

Databricks Keeps Raising the Bar With This New Feature!

Databricks unveiled its LakeFlow pipeline editor, a visual tool that lets users design, inspect, and run data pipelines without writing extensive SQL code. The feature integrates a graph‑based view of each pipeline step and a preview pane that shows sample...

By Andreas Kretz (Learn Data Engineering)