Douglas Cerna
Free Open Source Software Developer. he/him
Mastodon: @replaceafill@fosstodon.org
@jupyter.org
Multi-language interactive computing environments. Jupyter Notebook, JupyterLab and related projects – @mentions not monitored. Open issues on GitHub.
@vstinner.bsky.social
Maintain Python upstream (http://python.org) and downstream (RHEL and Fedora) for Red Hat. Python core developer.
@mjg59.eicar-test-file.zip
Former biologist. Actual PhD in genetics. Security at https://aurora.tech, OS security teaching at https://www.ischool.berkeley.edu. Blog: https://mjg59.dreamwidth.org Signal: @mjg.59 He/him
@jay.bsky.team
CEO of Bluesky, steward of AT Protocol. Let’s build a federated republic, starting with this server. 🌱 🪴 🌳
@xowap.dev
CTO/co-founder of WITH, 20+ years of web development, mad genius behind baby-cto.com, pro shitposter. Python, Django, JS/TS, SvelteKit, DevOps, Linux, LLM/GenAI, 3D printing, MR/spatial computing and random takes on society.
@osantana.me
(he/him/ele) Programação (Python), Cultura Maker, Retrocomputação/Retrogaming, Política (comunismo), Autos e Motos, e outras aleatoriedades. Humano real e não uma IA.
@ericof.com
Entrepreneur, open source evangelist, and bad developer. PSF Fellow, Former Plone Foundation President.
@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
@fastapi.tiangolo.com
FastAPI framework, high performance, easy to learn, fast to code, ready for production. 🚀 Web APIs with Python type hints. 🐍 By @tiangolo.com 🤓 GitHub: https://github.com/fastapi/fastapi Web: https://fastapi.tiangolo.com/
@oxykodit.bsky.social
I'm a software developer, open-source maintainer and NLP engineer. I love data, coding, testing, developing ML models and getting sh*t done. Through my one-woman company OxyKodit, I implement tailored NLP solutions for any domain: https://oxykodit.com
@anacondainc.bsky.social
@pytest.org
The pytest framework makes it easy to write small tests, yet scales to support complex functional testing for applications and libraries. http://github.com/pytest-dev/pytest Also on https://fosstodon.org/@pytest
@dunapinball.bsky.social
🏳️⚧️ web software engineer, cat mom, pinball enthusiast, ever masker she/her I block all followers with no profile and no posts.
@pyladiesvancouver.bsky.social
PyLadies Vancouver community https://vancouver.pyladies.com #PyLadies #Vancouver #Canada #Python
@muheuenga.bsky.social
Python Namibia | PyCon Namibia | ThePSF Fellow | @DjangoConAfrica | Ubuntu | Software Developer | 🇳🇱🇩🇪🇬🇭🇿🇦 🇨🇿🇲🇾🇬🇧🇺🇸🇹🇿🇪🇹
@chrisalbon.com
Director of Machine Learning at the Wikimedia Foundation. We host Wikipedia.
@quentin.pradet.me
I like maintaining things: the Elasticsearch Python clients by day, urllib3 and trustme by night. I write about #Python, HTTP, async/await, open source and performance! he/him
@johnpaton.net
Dad | 🇨🇦 in 🇳🇱 | ML Platform Engineer ML(Platform) | Open Source Software | Python | Bouldering | Books (esp Sci-Fi) | Leftism | Toddler Management Af en toe ook in het Nederlands https://johnpaton.net https://github.com/johnpaton
@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
@emilyemorehouse.bsky.social
@corona10.bsky.social
- ML Infrastructure SWE @ Karrot (당근) - Python Steering Council and Core dev Opinions are my own not my employer: https://github.com/corona10
@dcreager.net
Engineer at #Astral, working on Python tooling. Frozen pizza connoisseur. PL and program analysis dilettante. Unapologetically retro. This is a 9 planet family, kids! ♇ 🌐 https://dcreager.net/ 🧭 Massachusetts
@gankra.bsky.social
it's me, the gay cat who writes your docs~! author of the rustonomicon and learn rust with entirely too many linked lists; worked on homestuck, rust-lang, swift-lang, firefox she/her, trans, 30
@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. #selfemployed. Opinions are mine. #Python #PyLadies #kdrama
@thibaudcolas.bsky.social
President @djangoproject.com, core team @wagtail.org, building things @torchbox.com. Accessibility, climate action w/ climateaction.tech
@fedi.northbaypython.org
April 26/27, 2025. We're the boutique regional #Python conference for Northern California, the Bay Area and Beyond! A @ThePSF member project […] [bridged from https://social.northbaypython.org/@NorthBayPython on the fediverse by https://fed.brid.gy/ ]
@bitecode.dev
Quality and to-the-point bites about the Python world. And other tech stuff. Get more on https://bitecode.dev
@mathspp.com
I'll help you take your Python skills to the next level! A daily drop of Python knowledge 🐍💧 -> https://drops.mathspp.com/ Pydon'ts – free Python book 👉 https://mathspp.com/books/pydonts
@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.
@mitsuhiko.at
Creator of Flask • sentry.io ♥︎ API design, writing and giving talks • Choses Python and Rust • Excited about AI • Husband and father of three • Inhabits Vienna; Liberal Spirit • “more nuanced in person” More stuff: https://mitsuhiko.at/
@ixek.bsky.social
Director Quansight Labs ✨ MLOps, OSS, Research Software Engineering 🚀 GDE - ML @ Google | PSF fellow and vice-chair of the board of directors Pyladies Global Council 🌱 Disability justice activist, feminist, neurodivergent, developer
@jezdez.dev
🚲 Mobilitätswende jetzt! 🐍 PSF director & fellow. 🎁 conda and friends at Anaconda. 📦 PyPA & 🎷Jazzband founder. 🕸️ mozilla data, ✍️MDN & 🎻 Django alum. He/him
@webknjaz.me
https://savelife.in.ua/en Rabbit hole explorer. Pythonista. Serial #FOSS maintainer: @aiohttp.org, ansible-core (RH), CherryPy, pypi-publish (PyPA). 💘💍 @bluebirrrrd.bsky.social 🗣️🇺🇦🇺🇸 🤏🇨🇿🇪🇸 https://github.com/sponsors/webknjaz #opensource #укрблу #укртві :wq
@dstufft.dev
pip // PyPI // Python // cryptography I am perpetually caremad. I care a lot about security. Agitator and professional rabble rouser
@calvinhp.com
AWS Community Hero | Python, Django, Orchestration & Containers | CTO and Founder | IndyPy & IndyAWS | FreeBSD, Linux & ZFS
@choldgraf.com
Executive Director of @2i2c.org 🪐 Jupyter Project distinguished contributor 👬 mybinder.org and hub.jupyter.org team 📚 jupyterbook.org mystmd.org and executablebooks.org open communities 🙌 open infrastructure 💻 open science 🧪
@willmcgugan.bsky.social
CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him.
@briancurtin.com
principal software engineer, tech lead, long time Python guy—trail maintainer—photographer curtinbrian on Instagram Denver, CO
@1st1.dev
Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1