Dr. sc. ETH Zürich — Zurich, Switzerland

Heiko Kromer

Managing Consultant & Senior Data Architect at D ONE. I build cloud data platforms on Azure, AWS and Databricks. I teach at FH Graubünden, and from 2027 at the Frankfurt School of Finance & Management.

Heiko Kromer
01 — Portfolio

Blog posts

Published in D-ONE.AI on Medium ↗

Configuring Databricks with Terraform: Clusters, Unity Catalog & Permissions

How to keep clusters, catalogs and permissions in code instead of in someone's browser history.

TerraformDatabricks
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Stop Clicking, Start Coding: Terraform for Databricks Engineers

Clicking through the Azure portal stops working once you have more than one workspace. Here is the Terraform version.

TerraformAzure
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Self-Healing Data Governance with Databricks

Permissions are not supposed to change without approval. They do anyway, so I built something that puts them back.

DatabricksGovernance
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Setting Up a Development OpenMetadata Data Catalog with Terraform

Standing up a data catalog you can throw away and rebuild, without clicking through an install wizard.

TerraformMetadata
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A DIY Raspberry Pi-Powered, Cloud-Backed Hamster Wheel Speedometer

My hamster runs. A Raspberry Pi counts. The cloud stores it. Nobody asked for this.

IoTCloud
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Building an End-to-End MLOps Pipeline Using AWS SageMaker

From a raw dataset to an XGBoost model that retrains itself, using the SageMaker pieces that actually earn their keep.

AWSMLOps
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02 — Curriculum Vitae

CV

Experience
from 03/2027
Frankfurt School of Finance & Management · Lecturer, Databases and Cloud Infrastructure
Master in Applied Data Science
2024 — today
FH Graubünden · Guest Lecturer, Cloud Computing
BSc Computational and Data Science, seasonal
2021 — today
D ONE Value Creation AG · Managing Consultant
Senior Data Architect. Cloud data platforms for Swiss insurance, banking, retail and industry
2020 — 2021
Ernst & Young AG · Consultant, Data Scientist
Forensics and Integrity Services
2016 — 2020
ETH Zürich & Paul Scherrer Institute · Scientific Assistant
Laboratory for Nuclear Energy Systems
2015
ABB Corporate Research, Västerås (SE) · Master's thesis
Education
2016 — 2020
Dr. sc. ETH Zürich
Compact D-D neutron generator optimization for imaging · Best Paper Award (PSI & Swiss Nuclear Forum, 2017)
2013 — 2015
Double MSc, Université Paris-Sud XI & KTH Stockholm
Nuclear Reactor Physics & Engineering Physics · top of class, «Mention Très Bien» · EIT InnoEnergy scholarship
2009 — 2013
BSc Environmental Physics, Universität Heidelberg
Skills
Cloud
Microsoft Azure · AWS · Databricks
Platform
Data architecture · Data engineering · Unity Catalog · Governance
IaC & DevOps
Terraform · CI/CD · MLOps
Data science
Python · SQL · Spark · Machine learning
Languages
German (native) · English (near-native) · French & Swedish (basics)
Beyond work
Sports
Triathlon · Sport shooting · Motorcycling
2017 — 2019
Firefighter (breathing apparatus), PSI plant fire brigade
03 — Contact

Let's talk: h@heikokromer.com

Or find me on LinkedIn · Medium