I'm mostly active on English Wikisource; I keep that user page more up to date than any other.
I'm a Software Engineer on the Community Tech team at the Wikimedia Foundation. (Disclaimer: I work for or provide services to the Wikimedia Foundation, but this is my personal account. Edits, statements, or other contributions made from this account are my own, and may not reflect the views of the Foundation.) My WMF user account is User:SWilson (WMF).
Some things I've worked on in the Wikimedia universe:
- MediaWiki Backup a backup script for any MediaWiki running on Linux.