SOFTWARE DEVELOPER · ST. INGBERT

Hi, I’m Jonas.

At SAP, I develop planning and supply-chain software for retail, mainly using Python, S/4HANA Retail and agentic AI. I also build my own tools to simplify or automate concrete workflows.

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Associate Developer Retail & Agentic AI · SAP Python · S/4HANA Retail · BTP

About me

What I’m interested in.

I prefer trying new technology in a real project. That might become a browser extension, a small machine-learning system or another tool I would use myself. It does not have to be large; it should solve a concrete problem.

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Personal projects

A few things I’ve worked on.

Three projects I find particularly interesting at the moment.

Chrome Extension · Live in Store / 2026

Political Bias Detector

Problem: I wanted a political-leaning estimate, a summary and verifiable claims to be available while reading an article.
My contribution: I automated the workflow from an open article to its analysis: the extension captures the content, while the FastAPI backend assesses political leaning, summarizes the text and identifies verifiable claims. A dashboard manages API access and usage.
Outcome: The extension is published in the Chrome Web Store.

Chrome Web Store ↗

Chrome Extension · Self-hosted / 2026

Application Assistant

Problem: Job listings, tailored documents and the status of each application had to be managed across several tools.
My contribution: I automated the workflow from a job listing to submitting the application: the extension captures listings, helps create tailored documents and places them directly into upload fields. A Kanban view keeps applications and their status together.
Outcome: The extension is published as an unlisted Chrome Web Store item and used with a self-hosted backend.

Flight Planning Automation / 2025

Flight Planning App

Problem: Before a flight, weather, NOTAMs, airfield information, navigation and weight limits have to be gathered from several sources.
My contribution: I combined the recurring steps of flight preparation into one workflow and automated them where possible: retrieving weather and airfield data, calculating navigation, and checking weight and centre of gravity.
Outcome: It turns flight preparation, from the weather briefing to centre-of-gravity calculations, into one workflow.

Web app ↗

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Professional experience

What I’ve done so far.

since Oct. 2026

SAP SE · St. Ingbert

Associate Developer · Retail & Agentic AI

I work on planning and supply-chain software for retail and on adding agentic AI to SAP applications.

Jan. – May 2026

SAP · Global Content Group

Knowledge Graph from Text

I trained and fine-tuned language models to extract structured knowledge from SAP documents for the Enterprise Knowledge Graph.

2025 · Montréal

SAP · Business Foundation Models

Cross Tables (BFM-X)

I developed data pipelines for foundation models and worked on integrating schemas across multiple tables.

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Contact

Feel free to get in touch.

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