Volker Janz – Medium

Volker Janz

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Volker Janz
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Data Engineer Things

The AI Bottleneck — It’s Not Data, It’s People

Explore the significance of having a skilled data team for AI projects, learn about the Small Data movement and no-code or low-code AI.

2d ago

The AI Bottleneck — It’s Not Data, It’s People

2d ago

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Volker Janz
in
Data Engineer Things

Minds and Machines — AI for Mental Health Support, Fine-Tuning LLMs with LoRA in Practice

Explore the potential of Large Language Models (LLMs) changing the future of mental healthcare and learn how to fine-tune LLMs by example

May 19

Minds and Machines — AI for Mental Health Support, Fine-Tuning LLMs with LoRA in Practice

May 19

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Volker Janz
in
Towards Data Science

Create an AI-Driven Movie Quiz with Gemini LLM, Python, FastAPI, Pydantic, RAG and more

Discover the basics of using Gemini with Python via VertexAI, creating APIs, and the fundamentals of Retrieval-Augmented Generation (RAG)

Apr 18

Create an AI-Driven Movie Quiz with Gemini LLM, Python, FastAPI, Pydantic, RAG and more

Apr 18

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Volker Janz
in
Towards Data Science

A Definitive Guide to Using BigQuery Efficiently

Make the most out of your BigQuery usage, burn data rather than money to create real value with some practical techniques.

Mar 3

A Definitive Guide to Using BigQuery Efficiently

Mar 3

Volker Janz
in
Data Engineer Things

Netflix Maestro and Apache Airflow — Competitors or Companions in Workflow Orchestration?

How Netflix Maestro and Apache Airflow complement each other. Delve into their features, strengths, and use cases.

Jul 29

Netflix Maestro and Apache Airflow — Competitors or Companions in Workflow Orchestration?

Jul 29

Volker Janz
in
Data Engineer Things

Create your own Gemini AI-chatbot with a twist using Python, Jinja2 and NiceGUI

Discover the basics of using Gemini with Python via VertexAI, creating a Web UI with NiceGUI and using Jinja2 to construct modular prompts

Apr 25

Create your own Gemini AI-chatbot with a twist using Python, Jinja2 and NiceGUI

Apr 25

Volker Janz
in
Data Engineer Things

Easter egg hunt with BigQuery and User-Defined Functions (UDFs)

Discover the basics of extensibility with BigQuery User-Defined Functions (UDFs) with a little Easter egg hunt game

Apr 1

Easter egg hunt with BigQuery and User-Defined Functions (UDFs)

Apr 1

Volker Janz
in
Towards Data Science

Real-time Twitch chat sentiment analysis with Apache Flink

Let’s learn about Apache Flink and sentiment analysis by building a real-time sentiment analysis streaming application for the Twitch chat

Mar 27

Real-time Twitch chat sentiment analysis with Apache Flink

Mar 27

Volker Janz
in
Data Engineer Things

Gotta process ’em all — DuckDB masters your data like a Pokémon trainer

Practical examples how to use DuckDB as a tool for data wrangling based on Pokémon API data

Mar 19

Gotta process ’em all — DuckDB masters your data like a Pokémon trainer

Mar 19

Volker Janz
in
Data Engineer Things

Exploring StarCraft 2 data with Airflow, DuckDB and Streamlit

Example on how to create an Airflow DAG to fetch data from the StarCraft II API, utilize DuckDB for processing and Streamlit for…

Mar 16

Exploring StarCraft 2 data with Airflow, DuckDB and Streamlit

Mar 16

Volker Janz

Volker Janz

Expert Data Engineer @ InnoGames | 👨‍💻 Data Engineering, SQL, Python, Java, Kafka, Flink, Hadoop, Cloud | 🎙️ Passionate Speaker | 🧩 I Bring Big Data to life

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