Alexander Reelsen

TLDR; This is a multi post series about implementing feedback loops in search applications that I had sitting in my drafts for quite some time.

Introduction into Apache Lucene, with a strong focus on performance and practical use-cases helping you to keep in mind what is important.

TLDR; This post explains how I used ES|QL with my three years of data of my photovoltaic installation and how easy it was to write the queries and create a dashboard.

TLDR; This is a multi part series of using your Elgato Streamdeck with Java.

TLDR; This is a multi part series of using your Elgato Streamdeck with Java.

TLDR; This is a multi part series of using your Elgato Streamdeck with Java.

TLDR; This is a much shorter blog post than usual, as I just summarize things I tested in a few hours over the weekend.

TLDR; This is a much shorter blog post than usual, as I just summarize things I tested in a few hours over the weekend.

Elasticsearch serves as the product search engine on the Kaufland Marketplace, powering search across several european storefronts and serving millions of queries and updates a day.

Kaufland owns and runs an online marketplace, spanning several countries and languages, searching tens of millions of products, millions of times per day.

TLDR; If you have a lot of meetings as an IC (individual contributor), you’re often feeling less productive.

TLDR; This post will talk about node.js process based permissions feature behind the --experimental-permission command line flag.

TLDR; This article covers extracting and indexing german Wikipedia articles into Elasticsearch by generating vector embeddings using the Deep Java Library and a Hugging Face model.

After almost four years of developer advocacy as my main job, I am going back to software engineering.

TLDR; This blog post takes a look at one year of collected solar cell/power consumption data using Crystal, shell scripts, Jupyter, matplotlib and a little bit of DuckDB.

This talk is an introduction into search and focuses on the recent search trends in the last years.

TLDR; This post will show how to create a custom Tailwind CSS build in a Gradle based Java project.

TLDR; This blog post describes my process of creating, preparing and delivering a workshop, including content creation and how to tackle all of this from an engineering perspective.

Storing data is part of every application.

A practical introduction into auto suggest.