Founder Software Engineer · Suprnorms GmbH · Jan 2026 – present · concurrent venture
Stack: AWS · Hetzner · Python · Django · Postgres · Bedrock · Groq
- Design and build an LLM-based innovation platform for large and mid-sized corporations.

Cloud Engineer · Dectris AG · Mar 2024 – present
Stack: AWS · Terraform · Python · Rust · GitHub · Team: 4–6 devs
- Defined and built the core backend infrastructure of a scalable multi-region AWS platform for remote-desktop VMs.
- Implemented VM provisioning for Ubuntu and Rocky Linux desktops, plus an ECS API service that builds custom Docker images per user.
- Set up a gen-AI agent that turns natural-language user requests into API calls and platform decisions.

Cloud Architect · Königsweg · Nov 2023 – Feb 2024 · concurrent consulting
Stack: Azure · Azure DevOps · Terraform · Team: 2 devs
- Designed the Azure infrastructure for a backend that extracts and processes data, then trains and serves ML models.

MLOps & Cloud Engineer · Bayer AG · Feb 2023 – Feb 2024
Stack: AWS · GitLab · Terraform · Serverless · Python · Ansible · Team: 3–5 devs
- Raised test coverage of the AI inference pipeline 60%→85%; added a DynamoDB results cache to cut repeat-inference latency.
- Wrote load tests that surfaced bottlenecks and measured the average inference round-trip.
- Migrated the pipeline to AWS Step Functions, replacing an unmonitored event-driven design with an observable one.
- Wrote an Ansible automation that migrated 60 of 100 repositories, CI/CD pipelines included, from GitLab to GitHub, halving the projected timeline.

Senior Data Engineer · KONUX · Nov 2022 – Jan 2023
Stack: AWS · Bitbucket · PySpark · Glue · Team: 4 devs
- Transformed raw, incomplete UK Railways data into clean timeseries and wired them into the network digital-twin pipeline.
- Raised whole-pipeline test coverage 30%→80%; mentored teammates on PySpark.

CTO & Engineer · ZeroBang OÜ (Tresorbase) · Jan 2022 – present · concurrent venture
Stack: GCP · AWS · GitHub · Django · React · TypeScript · Cloudflare · Pulumi · Team: 3 devs
- Own the cloud infrastructure and backend of a SaaS that automates accounts receivable and payable.
- Built a fully automated multi-cloud CI/CD pipeline (Cloudflare, AWS, GCP) with Pulumi.
- Wrote end-to-end UI tests with Cucumber, TypeScript, and Playwright.
- Grew the customer base 0→8 and spun off 2 further SaaS products.

Senior Data Solution Architect · Klarna · Nov 2021 – Jun 2022
Stack: AWS · AWS CDK · Bitbucket · Jenkins · Python · Kafka · Rockset · Team: 4 devs
- Built the asynchronous backend of an alerting tool that queries Rockset for anomalies in customer payment integrations and posts alerts to Slack.
- Delivered a working system in under 4 months; two alerts saved a large customer an estimated €1M+ in a single day.

Senior Data Engineer · Personio · Sep 2021 – Dec 2021
Stack: AWS · GitLab · Python · Lambda · Glue · Athena · Team: 5 devs
- Built serverless pipelines that aggregate third-party data for business reporting; migrated manually-deployed Lambdas to Terraform and added automated tests.

Senior Data Solution Architect · CARIAD (Volkswagen) · May 2021 – Aug 2021
Stack: AWS · Airflow · Python · Team: 5 devs
- Ran the points-of-interest aggregation system for the VW ID.3/ID.4; refactored the extraction pipelines, raising test coverage by 20%+.

Cloud Applications Developer → Team Lead · Nordcloud GmbH · Nov 2018 – May 2021
Stack: AWS · AWS CDK · Terraform · Python · Go · Elasticsearch · Step Functions
- As team lead: staffing, delivery process, pre-sales, and cloud project proposals.
- Continental: technical lead and main developer (~2 years) of a high-throughput ingestion system for factory production data (Step Functions, Redshift, S3, XSLT) with CloudWatch/SNS monitoring.
- Exasol: integration and performance tests for a Go REST API.
- Continental analytics: automated Elasticsearch ETL and cloud infrastructure on AWS CDK.

Engineer · Siemens Corporate Technology · Nov 2017 – Nov 2018
Stack: AWS · GitLab · Python · Terraform · Team: 3 devs
- Built the RESTful API for device, user, and IoT-data management on a multi-tenant IoT platform, keeping test coverage above 85%.
- Delivered fully automated deployment and DB migration; built IoT device-onboarding tooling on Raspberry Pis.

IT Architect · MaibornWolff GmbH · Apr 2017 – Nov 2017
Stack: Ansible · Python · Kafka · ELK · C++ · Team: 4 devs
- BMW Log-Analyzer: provisioned and configured 6 large Kafka/ELK clusters across 3 regions with Ansible, plus cluster monitoring.
- BMW AR Tracking: as lead C++ developer, built the robotic-arm control system (Universal Robots), the motion mathematics, and the test setup.

Earlier career · 2004–2017
- AR-Experts (2016–17): augmented-reality development in Unity 3D and C#.
- Post-doctoral researcher, Klinikum rechts der Isar / TUM (2015–17): brain PET-MRI computer-aided diagnosis; large image datasets on AWS EC2/Batch; scientific publications and teaching.
- EuroPython Society board member and lead organizer (2014–18); Software & Data Carpentry instructor; author of hansel.
- Post-doc & PhD, UPV/EHU (2008–15) and Wrocław Univ. of Technology (2015): machine learning on multimodal MRI, feature selection and classification, HPC cluster ops; 6-month Bayesian-modeling stay at FMRIB, Oxford.
- Software Engineer, InnovaeVision (2007–08, Java/Spring, embedded Linux C++) and JADE Systems (2004–07, C++/Borland, systems & network administration).