Data Engineering Communities

Last updated Oct 14, 2025 by Simon Späti

Communities for data engineering.

Modern Data Community by Michael Kahan (not that active anymore)
The Technical Freelancer Academy by SeattleDataGuy. This community is about Technical Freelancing in the data space, but as lots of data engineers are there, it’s a great community and super active. There’s also a newsletter.
Practical Data Engineering Discord by Joe Reis. Super active and welcoming community. Find info on this Notion page ( Contribute, Events and more)

# Slack Communities

Some great communities live in Slack and have many members, here are some of them. Member counts are as of 2025-07-10.

Apache Airflow Community: 28,496 Members - Community for Apache Airflow, the popular open-source workflow orchestration platform
DataTalks.Club: 74,549 Members - Large community focused on data science, machine learning, and data engineering education and discussions
Data Engineer Things: 7,582 Members - Community dedicated specifically to data engineering topics, tools, and best practices
Locally Optimistic: 8,182 Members - Community for analytics professionals focusing on building better data teams and practices
Open Data Community: 6,605 Members - Community centered around open data initiatives, standards, and collaborative data projects
ASF (Apache Software Foundation): 14,806 Members - Official community for Apache Software Foundation projects including many data-related tools
Delta Users: 10,714 Members - Community for Delta Lake, the open-source storage framework for data lakes
Apache Superset: 20,187 Members - Community for the modern data exploration and visualization platform
Trino: 14,463 Members - Community for Trino (formerly PrestoSQL), the distributed SQL query engine
freelance-data-collective: 198 Members - Community for freelance data professionals and independent consultants
CodeBuddies: 15,705 Members - General programming community that includes substantial data engineering and data science discussions