Blog on Janis Goesser | World of Data

My Productivity Setup in Q2 2026 with Obsidian - Part 1: The Card Brain System

Sat, 04 Apr 2026 00:00:00 +0000

A deep dive into the Card Brain System: five pillars and three principles built in Obsidian that fight friction at every turn. Calendar, Areas, Board, Logs, and Cards — designed to degrade gracefully.

Test Driven Development on Databricks my Secret for working with Databricks

Sun, 25 May 2025 00:00:00 +0000

Unlock optimal Databricks Spark dev with TDD! Build robust, testable code & debug locally. Your step-by-step guide to mastering Spark TDD.

DuckDB my first steps

Sat, 14 Dec 2024 00:00:00 +0000

DuckDB: the in-memory database that’s quacking up the data world! Explore its potential for lightning-fast analytics and seamless cloud integration.

Imprint

Mon, 01 Jan 0001 00:00:00 +0000

Janis Goesser

Address:
c/o POSTFLEX PFX-746-446
Emsdettener Straße 10
48268 Greven
Germany

Email: hi@jgoesser.me

Now

Mon, 01 Jan 0001 00:00:00 +0000

Last updated: March 2026

This is my now page - a snapshot of what I’m currently up to.

About

I’m a Senior Data Engineer focused on cloud infrastructure, data orchestration, and building tools that make developers’ lives easier.

Work

Full time employed as Senior Data Engineer at auxmoney GmbH
Side hustle at Salfy GmbH - working on Cloud Infrastructure and an OCR system

Side Projects

Personal Blog - writing about data topics and tech
Kinua - a productivity tool for capturing inbox ideas

Reading

Radical Candor by Kim Scott
Designing Data-Intensive Applications by Martin Kleppmann
Silman’s complete endgame course

Chess

Opening White: Bird, Scottish
Opening Black: Dutch, French
Blitz: 1063
Rapid: 1325
David / Janis: 1 / 1 / 2

Privacy Policy

Mon, 01 Jan 0001 00:00:00 +0000

Last updated: April 07, 2026

This Privacy Policy describes how Your information is collected, used, and disclosed when You visit https://jgoesser.me (“the Website”), operated by Janis Goesser (“We”, “Us”, “Our”).

Responsible Party

Janis Goesser
Kempers Häuschen 2
42109 Wuppertal, Germany
Email: hi@jgoesser.me

Hosting

This Website is hosted on GitHub Pages, a service provided by GitHub, Inc., 88 Colin P Kelly Jr St, San Francisco, CA 94107, USA. When You visit the Website, GitHub may collect technical data such as Your IP address in server log files. For more information, see the GitHub Privacy Statement.