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Herman Schaaf

Herman Schaaf

Herman is the Director of Engineering at CloudQuery and an Apache Arrow contributor. A polyglot with a preference for Go and Python, he has spoken at QCon London and Data Council New York.

About

Herman is the Director of Engineering at CloudQuery. He previously worked as staff software Engineer in data platform teams at Skyscanner and Fastly. He has spoken at Data Council New York and QCon London, and loves designing and building highly scalable, resilient systems for managing large volumes of data.

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Moving Data from PostgreSQL to MotherDuck

How to sync PostgreSQL data to MotherDuck using CloudQuery, with both one-off batch and continuous CDC streaming options for serverless analytics.

Herman Schaaf

March 13, 2026

Developers

Engineering

Six Months with ClickHouse at CloudQuery (The Good, The Bad, and the Unexpected)

After six months using ClickHouse as CloudQuery’s backend: what we learned about performance, JOIN limits, sorting keys, materialized views, and benchmarks.

Herman Schaaf

Joe Karlsson

Mariano Gappa

April 8, 2025

Developers

Tutorials

Find all repositories with unprotected default branches in GitHub

Use CloudQuery, PostgreSQL and SQL to find repositories with unprotected default branches in GitHub.

Herman Schaaf

August 7, 2024

Developers

CloudQuery News

Announcing the Python SDK for CloudQuery Integration Development

Meet the CloudQuery Python SDK: write CloudQuery source and destination plugins in Python, alongside the existing JavaScript and Java SDKs.

Herman Schaaf

August 17, 2023

Engineering

Exploring API Data with DuckDB

How to sync and explore data from AWS, Azure, GCP, Homebrew or any other CloudQuery source using DuckDB

Herman Schaaf

March 20, 2023

Developers

Case Studies

How Hexagon built an Infrastructure Data Lake with CloudQuery

How Hexagon built a cloud infrastructure data lake with CloudQuery. A real-world case study of syncing multi-cloud data into Snowflake for centralized analysis.

Herman Schaaf

Peter Figueiredo

March 16, 2023

Developers

Leaders

Tutorials

How to Sync Simple Analytics Data to BigQuery using GitHub Actions

Sync Simple Analytics web traffic data to BigQuery using CloudQuery. Combine website analytics with cloud infrastructure data for unified reporting.

Herman Schaaf

February 15, 2023

Developers

Tutorials

Search Through Your Cloud Infrastructure with CloudQuery and Elasticsearch

This tutorial will show you how you can search through your cloud infrastructure by using the CloudQuery Elasticsearch destination.

Herman Schaaf

February 10, 2023

Developers

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