Andres Freund
Software Engineer
Western Mass, USA, United States
Summary
🤩
RockstarAndres Freund is a seasoned software engineer with 16 years of experience focused on backend systems, databases, and performance-critical infrastructure. Based in San Francisco, he is an active PostgreSQL committer whose contributions to Citus improved distributed query performance, transaction handling, and security through careful permission checks and memory-leak fixes. He has also strengthened developer tooling by enhancing Meson’s Visual Studio backend for more reliable dependency handling and parallel compilation. Andres’s work on NeoMutt shows a deep practical knowledge of protocols and MIME handling, reflecting an ability to tackle both low-level systems and real-world interoperability issues. Known for pragmatic, stability-first improvements, he combines production-grade engineering with open-source stewardship across widely used projects. An understated detail: his commits often target subtle correctness and resource-management problems that prevent real-world outages over time.
16 years of coding experience
Github Skills (33)
transaction10
mson10
postgresql10
admin10
sendmail10
back-end-development10
python10
msbuild10
send-email10
databases10
build-system10
database-administration10
c1110
c1710
e-mail10
Programming languages (21)
Github contributions (5)
citusdata/citus
Feb 2016 - Nov 2017
Distributed PostgreSQL as an extension
Role in this project:
Back-end Developer & Database Engineer
Back-end Developer & Database EngineerContributions:1 review, 221 commits, 97 PRs in 1 year 9 months
Contributions summary:Andres primarily contributed to the back-end development of the Citus database extension. Their commits focused on improving query performance and functionality related to prepared statements and transaction handling. They added support for new features like RETURNING and fixed memory leaks. The user also implemented permission checks, demonstrating a focus on security and stability.
postgresqldatabasecitusmulti-tenantscale
neomutt/neomutt
Nov 2012 - May 2019
✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 3 PRs, 9 comments in 6 years 7 months
Contributions summary:Andres primarily focused on fixing bugs and improving the NeoMutt email client. Their contributions include resolving issues related to thread handling, specifically addressing the "entire-thread" functionality. They also worked on improving the MIME handling of attachments, focusing on the use of description tags when filenames are not helpful and implementing the use of compose mailcap entries when replying to messages. This work suggests a strong understanding of email protocols, MIME formats, and the NeoMutt codebase.
ircneomuttmailmuttmua
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