chiri @chirizxc.bsky.social 
Mike Fiedler @miketheman.com Code Gardener. Wrangler of the Unusual. Roller Derby referee. AWS Hero. PyPI Maintainer. Shakshuka lover. he/him
https://miketheman.dev
Vlad Bloodless @bloodless.me Dev at @rustrover.jetbrains.com
Pydantic @pydantic.dev The end-to-end AI engineering stack
AI observability at scale without fail with Pydantic Logfire. Iterate with Pydantic Evals. Build type-safe agents with Pydantic AI. Track costs with AI Gateway.
Carl Meyer @carljm.me Engineer at #Astral, building Python tooling in Rust. github.com/carljm
Lysandros Nikolaou @lysnikolaou.com Python nerd with a special interest for compilers. CPython core developer. PyGreece organizer. Working @Quansight-Labs. He/him.
CF Bolz-Tereick @cfbolz.bsky.social PyPy/RPython contributor. Half time teaching at Uni Düsseldorf. Works on dynamic language implementations. Love street art and art in public spaces, hiking, reading.
they/them
@jhylton.bsky.social @jhylton.bsky.social 
Shantanu @hauntsaninja.bsky.social @OpenAI since 2020. CPython core dev, making Python typing better
hauntsaninja.github.io
Paul Moore @pfmoore.bsky.social Python core developer, pip maintainer, gamer (board and video), occasional guitarist
Irit Katriel @iritkatriel.bsky.social CPython Core Dev. Views are my own.
Russell Keith-Magee @freakboy3742.bsky.social Not really here. Just ensuring that my handle isn't squatted.
Donald Stufft @dstufft.dev pip // PyPI // Python // cryptography
I am perpetually caremad.
I care a lot about security.
Agitator and professional rabble rouser
Carol Willing @willingc.bsky.social Python is forever🐍
Andrew Kuchling @akuchling.dmv.community.ap.brid.gy #Python & SQL #developer at a healthcare startup in #WashingtonDC. Former core #Python developer.
Lives in #Bowie, #Maryland.
Reader of #books; player of […]
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Batuhan Taskaya @isidentical.bsky.social Hopeless TV critic, Python Core Developer, and a bunch of other boring stuff. 
Laíns ⚡🌈🇵🇸 @missingclara.bsky.social they/them • python core dev • archlinux packager • PSF D&I and User Success WG • electro-metrology, semiconductor manufacturing, and nuclear physics enthusiast
Alex Waygood @alexwaygood.bsky.social Software dev at OpenAI (formerly Astral) 🦀. Sometimes do freelance journalism: Guardian, Telegraph, openDemocracy. Python core dev in my spare time 🐍. Studied 🎶 a while back.
Pradyun Gedam @pradyunsg.me he/him. Probably trying to make refined sand do something useful.
Wearer of many hats in OSS spaces: CPython, pip, packaging, TOML, Furo, Sphinx extensions, Executable Books and more.
Thomas Wouters @yhg1s.bsky.social Cat owner, Release Manager for Python 3.12 and 3.13, Meta employee, Python Steering Council member. (He/him or they/them.) Primarily on Mastodon: @Yhg1s@social.coop.
Kushal Das @kushaldas.se Public Interest Technologist. CPython core developer. PSF fellow and director. Tor Project core team member. Digital security trainer.
Ned Batchelder @nedbat.com Python, Boston, mathy fun, juggling, autism parenting. https://nedbat.com
Sean McArthur @seanmonstar.com Open Source maintainer of the rust-lang @hyper.rs.
More at seanmonstar.com
Rodrigo Girão Serrão 🐍🚀 @mathspp.com I'll help you take your Python skills to the next level!
Python deep dive every Monday 🐍🚀 -> https://mathspp.com/insider
Short daily drop of Python knowledge 🐍💧 -> https://mathspp.com/drops
Hynek Schlawack @hynek.me Pythonista & PSF fellow 🐍🏆, Gopher 🐹, blogger 📝, speaker 📢, YouTuber 📺. ❤️ nuance & outcomes, 🗣️🇨🇿🇩🇪🇺🇸
• https://hynek.me/
• https://github.com/hynek
• https://www.youtube.com/@The_Hynek
• https://mastodon.social/@hynek
• https://x.com/hynek
Michael Kennedy @mkennedy.codes Python enthusiast and entrepreneur. Host of @talkpython.fm and @pythonbytes.fm podcasts, founder of Talk Python Training (https://talkpython.fm/courses). Python Software Foundation Fellow. Writing at https://mkennedy.codes Based in Portland, OR, USA.- N Nicholas Nethercote @nnethercote.bsky.social he/him (or they/them)
Emma @emmatyping.dev Python Core Dev & Rust for CPython co-lead. mypy core team. Former quantum compiler engineer, now at NVIDIA working on Python & packaging. Opinions my own.
🏳️⚧️
https://emmatyping.dev
Masto: @emmatyping@hachyderm.io
Profile pic by Caleb Rippetoe
she/her
Rust Language @rust-lang.org A programming language empowering everyone to build reliable and efficient software.
Website: https://rust-lang.org/
Blog: https://blog.rust-lang.org/
Mastodon: https://social.rust-lang.org/@rust
nikomatsakis @nikomatsakis.com Weird Al meets Grace Hopper. Rustacean. He/him.
I work for @AWSCloud. Opinions on twitter and elsewhere are my own.
Adam Chalmers @adamchalmers.com Texan (prev Australian). Father (prev gamer). Pynchon fan (prev illiterate).
Building a new programming language for CAD at zoo.dev. Built a lot of Cloudflare Tunnel. I run a meetup austinsystems.org and love reading sci-fi, history and Jewish stuff.
Henry Schreiner @henryiii.bsky.social Princeton RSE. Scikit-HEP, Scikit-build, PyPA/build, PyPA/cibuildwheel, pybind11, CLI11, & plumbum. Also on @henryiii@fosstodon.org and @henryschreiner3 (X).
trevor manz @manzt.sh middle child, creator of anywidget.dev
building @marimo.io; prev @harvard.edu
Yury Selivanov @1st1.dev Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
Savannah Ostrowski @savannah.dev Python 3.16 & 3.17 Release Manager. Python Steering Council. Python Core Developer. Building @fastapicloud.com. Likes compilers, open source, film, physical computing + cats.
savannah.dev
github.com/savannahostrowski
@coredispatch.xyz
Hugo van Kemenade @hugovk.dev Python 3.14 & 3.15 release manager, core developer, Sovereign Tech Fellow, PSF Fellow, open-source maintainer, PEP editor, NaNoGenMo organiser, winter bicycler
Victor Stinner @vstinner.bsky.social Maintain Python upstream (http://python.org) and downstream (RHEL and Fedora) for Red Hat. Python core developer.
Chris Withers @chris.withers.org Python, music, bit of BBQ and things…
Bridgy Fed for the fediverse @ap.brid.gy Bridgy Fed (https://fed.brid.gy/) bot user for the fediverse. To bridge your account to the fediverse, follow this account.
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Seth Larson @sethmlarson.dev Python core developer, Security & Fellow of Python Software Foundation (@python.org) 🐍 Minnesoootan, he/him, #Python, #opensource, #security #retrogaming
🌐 https://sethmlarson.dev
Cheuk Ting Ho @cheuk.dev #Dev 🥑 for #FOSS. #ThePSF fellow and director. Public speaker. #着物女子 👘 Opinions are mine.
https://linktr.ee/cheukting
EuroRust @eurorust.eu EuroRust is the conference for the European Rust community. We cover all things Rust. Presented by @mainmatter.com. October 14-17 2026, Barcelona & Online.
October 14-17 2026, Barcelona & Online
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
ee @durbin.ee 🖥 snek. signal: +1.216.217.8688. they/them.
Gregory P. Smith @gpshead.bsky.social `def code(bugs) -> 🐜: yield from code(bugs)`
#Python Software Foundation supporter & CPython Core Dev.
Always riding a bicycle. 🚴🏻 #bikelife #bikecommuter
I'm _probably_ not really here / name-🏋️-ing #markdown
Anthony Shaw @anthonypjshaw.bsky.social Technical Advisor at Microsoft. PSF Fellow. Creator of VS Code Pets and other useful software
Brett Cannon @snarky.ca #Python core developer who also works on packaging; works on Python stuff at #Microsoft (although this is a personal account). Proudly #Canadian.
Mariatta @mariatta.ca Python Core Developer. F"Yes!" 🐍🇨🇦
#PyPodcats
#PyCon US Chair 2023-2024.
PSF Fellow Member & Community Service Award recipient.
Keynote speaker.
Foodie. Traveler. Picky eater.
Opinions are mine.
#Python #PyLadies #kdrama
Diego Russo @diegor.it Python Core Developer 🐍
Principal Software Engineer @developer.arm.com
Posts are my own. He/him/his. 🇬🇧
More active on http://linkedIn.com/in/diegor
SustainOSS @sustainoss.bsky.social 
Jacob Pratt @jhpratt.dev Contributor to Rust's compiler and standard library. Maintainer of Rust crates including time, deranged, powerfmt, num_threads, and num-conv. Third degree black belt in American Kenpo 🥋
jhpratt on most platforms
Conrad Ludgate @conrad.cafe Probably writing Rust
https://github.com/conradludgate
https://conradludgate.com
Arthur Pastel @apas.tel Co-founder @codspeed.io • Building trustable and consistent performance tooling • Python, Rust, TypeScript • Creator of ODMantic • apas.tel
Marcelo Trylesinski @marcelotryle.bsky.social The FastAPI Expert
Starlette & Uvicorn maintainer
🇧🇷🇮🇹🇺🇾
Łukasz Langa @lukasz.langa.pl CPython Developer in Residence, Python 3.8 and 3.9 release manager. Gradual typing enthusiast, asynchronous programming proponent, creator of the auto-formatter Black.
He produces electronic music, which includes software and hardware of his own making.
Lukas Wirth @lukaswirth.dev Rust Engineer at @zed.dev
rust-analyzer team lead
Sponsor my rust-analyzer work here https://github.com/sponsors/Veykril
Rust Nation UK @rustnationuk.bsky.social An annual conference dedicated to the Rust coding language.
Armin Ronacher @mitsuhiko.at Creator of Flask • earendil.com ♥︎ writing and giving talks • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” • More AI content on https://x.com/mitsuhiko
More stuff: https://ronacher.eu/
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
Ethan Holz @ethanholz.com Research Software Engineer
Professionally building better infrastructure for molecular software.
Thoughts my own
Colorado based
Daniel Roy Greenfeld @daniel.feldroy.com Writes at daniel.feldroy.com
Use to work for NASA and kraken.tech 🌎
Co-Author of Two Scoops of Django 📚
Husband of Audrey Roy Greenfeld https://bsky.app/profile/audreyfeldroy.bsky.social 🍪
Father of Uma 🧸
Ellie Huxtable @ellie.wtf Infra, Rust, and motorcycles 🏳️🌈
Building @atuin.sh
Pablo Galindo Salgado @pablogsal.com I program the programming program that other programmers use to program programs. Python Steering Council and core developer. Python 3.10/3.11 release manager. Deals with black holes and parsers. Attracts linker problems.
Emily Morehouse-Valcarcel @emilyemorehouse.bsky.social 
Barry Warsaw @pumpichank.bsky.social 
Donghee Na @corona10.bsky.social - ML Infrastructure SWE @ Karrot (당근)
- Python Steering Council and Core dev
Opinions are my own not my employer: https://github.dongheena.com
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Bob Belderbos @bbelderbos.bsky.social Helping people become better software developers — belderbos.dev
Ilya (Marshal) @marshal.dev Software Engineer
🐍 The AT Protocol SDK for Python: https://atproto.blue/
🍿 Custom Feed in Python: https://github.com/MarshalX/bluesky-feed-generator
🏎️ Fast IPLD library for Python: https://github.com/MarshalX/python-libipld
https://marshal.dev
Justice Of Toren One Var @jyn.dev One Esk Nineteen is tired.
you cannot do anything ironically.
life is action, and life is good only when action is a joy.
David Wood @davidtw.co I’m a software engineer from Scotland, with an interest in systems software and open source software. Co-lead of the Rust compiler team.
James Munns @jamesmunns.com Notable Protocol Enjoyer.
Doing stuff, mostly in Rust and on Embedded systems.
Co-host @sdr-podcast.com
DMs (matrix): @jamesmunns:beeper.com
DMs (signal): jamesmunns.255
he/him
Kein Ort für Nazis
srrrse @without.boats WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO FITNESS FOR A PARTICULAR PURPOSE
Predrag Gruevski @predr.ag Querying (Almost) Everything // Frontier Systems @ OpenAI // Author of cargo-semver-checks & Trustfall // https://predr.ag/blog // ex Kensho // MIT alum // https://hachyderm.io/@predrag // not from around here 🇲🇰 // he-him
Sean Cribbs @seancribbs.bsky.social Husband, Cat Daddy, BBQueueing theorist, distsys geek, KC soccer fan, foodie, musician, holder of things. he/him/his “3 Seans make a right”
Opinions are my own, not that of my employer
🐘 https://hachyderm.io/seancribbs
📹 https://youtube.com/@seancribbs
Steve Klabnik @steveklabnik.com #rustlang, #jj-vcs, atproto, shitposts, urbanism. I contain multitudes.
Working on #ruelang but just for fun.
Currently in Austin, TX, but from Pittsburgh. Previously in Bushwick, the Mission, LA.
RustTrending @rusttrending.bsky.social Automated bot posting trending Rust repositories on GitHub.
Made by @pbzweihander.dev, but not curated by.
Source code: https://github.com/pbzweihander/rust-trending
Dirkjan Ochtman @djc.ochtman.nl Fan of Rust, open source maintainer. Please consider sponsoring my OSS work on GitHub.
Jon Gjengset @jonhoo.eu Rust live-coder and OSS tinkerer who loves teaching. I try to maintain a high SNR. Wrote Rust for Rustaceans. At Helsing.ai. Formerly AWS. Co-founded ReadySet. @jonhoo elsewhere. he/him/they