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Camille Roux @camilleroux.com Développeur • Directeur général et fondateur de @humancoders.com • Art: @art.camilleroux.com • il/lui he/him
Julien Chaumond @julien-c.hf.co I build tools that propel communities forward
PyCon US @pycon.us PyCon US is a community-focused conference for Python users and developers. Join us in Long Beach, CA from May 13 - May 19, 2026!
Buildkite @buildkite.bsky.social 
Ian Duncan @iankduncan.com I used to be smart, now I just try hard.
Haskell enthusiast
Me, https://iankduncan.com
Maker, https://wireform.systems/
Engineering at Mercury, formerly Forge, CircleCI, others
Radicle @radicle.dev The sovereign forge.
https://radicle.dev
Framework @frame.work Remaking consumer electronics to respect people and the planet. 💻🪛
For support visit http://support.frame.work
Martin Kleppmann @martin.kleppmann.com Associate Professor at @cst.cam.ac.uk, researching decentralised systems and security protocols. Advisor to the Bluesky team. Wrote “Designing Data-Intensive Applications” (O’Reilly). he/him
Chris Arcand @chrisarcand.com 👨💻 Principal Engineer (STSM) @ IBM. Ex-HashiCorp, ex-Red Hat
🛠️ Cloud infra & distributed systems w/ Golang & Ruby
🏒 Cpt of the Dangling Pointers™, Minnesota’s premier shitty beer league hockey team
St. Paul, MN
https://chrisarcand.com
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/
Quad9 @quad9dns.bsky.social 9.9.9.9 Security, Privacy, Performance.
Support Requests: support@quad9.net
Quad9 Status: https://uptime.quad9.net
@sirosen.net @sirosen.net 
Akanoa @akanoa.bsky.social - Pratique la vulgarisation graphique en dilettante. 🗣🖍👂
- Vous pouvez retrouver mes anciens articles ici http://lafor.ge 📖
- Streamer erratique https://twitch.tv/akanoa 📡📺
Dominik Tornow @dominiktornow.bsky.social Founder Resonate HQ | Distributed Async Await | Thinking in Distributed Systems | https://dtornow.substack.com
Kaivalya Apte @thegeeknarrator.bsky.social Podcaster, Youtuber @TheGeekNarrator
(https://youtube.com/@thegeeknarrator?si=yN0zWNDAScJKv_QZ) Databases, Stream processing, Distributed systems Software Engineer @Confluent
Tino Tereshko @tinot.bsky.social Available for coffee dates
Data infra AI
Ex MotherDuck Firebolt BigQuery. Papa. Husband to
@emilyvajda
Ultra-competitive C class cyclist
Hannes Mühleisen @hannes.muehleisen.org I like databases and boats. Co-creator of @duckdb.org, Co-Founder and CEO DuckDB Labs.
Rahul Dave @rahuldave.bsky.social Chief Scientist @ Univ.Ai. We do AI, ML, Bayes and Data. Somerville, MA.
Bringing up the next generation of decision makers @Hult University! Previously ML and Bayes at Harvard.
Otherwise, Cosmology, Climbing and Skiing.
Liberalism is a moral choice.
Tim Hopper @tdhopper.com machine learning infrastructure at spotify
Ethan @ethanrosenthal.com data/ml/ai @ runway in 🗽
formerly spent time in startups, biggish tech, and physics labs
www.ethanrosenthal.com
Zanie Blue @zanieb.bsky.social they/them — building Python developer tools in Rust at Astral
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.
Yury Selivanov @1st1.dev Co-founder & CEO of Gel • Python core developer • PSF fellow • async/await • asyncio • uvloop • asyncpg ••• @geldata.com • github.com/1st1
Kim Christie @lovelydinosaur.bsky.social 🍓 🍋 🍏 Engineer · Sensitive Wallflower · A Bit Ticklish
🚀 Brian Okken @brianokken.bsky.social Lead Software Engineer, Author
testandcode.org
leantdd.com
pytest courses: courses.pythontest.com
#Python #pytest
Quentin Pradet @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
Ben Falk @ben-falk.bsky.social Principal Cloud Engineer @ Space Telescope Science Institute 🔭. I used to study bats 🦇. Now I build web services to help others study the universe 🌌
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
Deb Nicholson @eximious.bsky.social I like to talk about cooking, Python, sci-fi and creating a nice world for everyone. (she/her)
Bruno Oliveira @soliv.dev Python, Rust & C++, pytest core maintainer. Dark Souls and RPGs.
Phil Elson @pelson.bsky.social Scientific Python engineer & problem solver. Builder of communities and tools, including SciTools (Iris, cartopy), conda-forge, and former maintainer of matplotlib. Working on accelerator controls at CERN.
Jannis Leidel @jezdez.dev 🐍 PSF chair & fellow.
🎁 conda and friends at Anaconda.
📦 PyPA & 🎷Jazzband founder.
🕸️ mozilla data, ✍️MDN & 🎻 Django alum.
🚲 Mobilitätswende jetzt!
He/him
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.
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
Will McGugan @willmcgugan.bsky.social CEO / Founder of https://textualize.io Hyperborean Python expert, author, humanist, husband, sometimes wildlife photographer. Carbonara aficionado. He/him. 
Vincent D. Warmerdam @koaning.bsky.social Prefer common sense over hype. Employed at @marimo.io, known for calmcode.io and koaning.io. Also working on remember.cards these days.
Sofie Van Landeghem @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.
https://github.com/svlandeg
Bernát Gábor @gjbernat.bsky.social Senior Software engineer @Bloomberg (from 🇭🇺🇷🇴🇬🇧), living in Los Angeles 🇺🇸 @ThePsf fellow. Maintainer of many - http://bernat.tech/about (tox, virtualenv,...) Python packages. Opinions my own.
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).
Patrick Arminio @patrick.wtf Strawberry GraphQL 🍓 / PyCon Italia - London
Samuel Colvin @sa.muelcolvin.com Building Pydantic Logfire - uncomplicated observability for Python. Sequoia Scout.
Kátia Nakamura @katia.dev From 🇧🇷 Based in 🇩🇪 | @djangoproject #DSF Board member | PyCon BLKN | Django Girls+ Organizer | She/Her
Anthony Shaw @anthonypjshaw.bsky.social Technical Advisor at Microsoft. PSF Fellow. Creator of VS Code Pets and other useful software
konsti @konstin.bsky.social cat in your python packages • he/him
Paolo Melchiorre @paulox.net Independent Python/Django consultant · Django & Python ecosystem contributor · DSF board member · PSF Fellow · Django on the Med co-founder · Python Pescara co-founder · PostgreSQL advocate · Free Software advocate · Conference speaker
Thomas Grainger @graingert.co.uk https://fosstodon.org/@graingert
https://twitter.com/graingert
Ines Montani 〰️ @inesmontani.bsky.social 💥 Founder & CEO @explosion.ai
👩💻 Developing spacy.io + prodi.gy + beta.ellf.ai
🐍 Python Software Foundation Fellow
⚡ Hacking @feministai.party
🧠 AI, Machine Learning & NLP
💼 linkedin.com/in/inesmontani
🐘 sigmoid.social/@ines
💥 explosion.ai
🌎 ines.io
David Lord @davidism.bsky.social Lead maintainer of Flask, Jinja, Click, and others on Pallets. Python Software Foundation @python.org Fellow. he/they
https://davidism.com
https://github.com/davidism
https://mas.to/@davidism
Bruno Cesar Rocha ★ - rochacbruno @bruno.rocha.social Coder @ Red Hat OpenShift
Creator @ Dynaconf & Marmite SSG
Fellow @ ThePSF
🇧🇷 @ 🇵🇹
Links: https://bruno.rocha.social
Text: https://rochacbruno.com
Video: https://www.youtube.com/@oBrunoCesarRocha
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
Juan Luis @juanlu.space Posting about open source ecology, Atproto / the Atmosphere, resisting AI, y política española. Software Engineer + DevRel at Canonical. Luddite. Proudly hosted on @eurosky.social 🇪🇺
#ADHDAwareness
FastAPI @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/
🟡🐍Sviatoslove.pie♥🇺🇦#StandWithUkraine🙏 | українець на чужині @webknjaz.me https://savelife.in.ua/en
Rabbit hole explorer & serial #FOSS maintainer: @aiohttp.org, ansible-core, CherryPy, pip-tools, pypi-publish, CPython.
💘💍 @bluebirrrrd.bsky.social
🗣️🇺🇦🇺🇸
🤏🇨🇿🇪🇸
https://github.com/sponsors/webknjaz
#opensource #укрблу #укртві :wq
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
Jonathan Ehwald @nucleonjohn.bsky.social Software Engineer (@fastapicloud.com), OSS Maintainer (https://github.com/doctorjohn), Core Developer (@strawberry.rocks), and part-time CEO (@squadnox.com).
Python, GraphQL, and React Native <3
Thanks for visiting~
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.
Tianon ✿ @tianon.bsky.social he/him; https://tianon.xyz
Setting expectations: I may post tech related things occasionally, but that's not what I'm here for (which is honestly mostly consuming human art and shitposts).
If you're a fascist, this space isn't for you. 🏳️🌈
(AI is fascist)
Marco Burro @marco.ooo 
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
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
Mia Bajić @clytaemnestra.bsky.social Software Engineer & Podcast Host
Charlie Marsh @crmarsh.com Building Astral: Ruff, uv, and other high-performance Python tools, written in Rust.
Sebastián Ramírez @tiangolo.com Creator of @fastapi.tiangolo.com, Typer, SQLModel, Asyncer, etc 🚀
From 🇨🇴 in 🇩🇪
Open Source, APIs, and tools for data/ML 🤖
Building @fastapicloud.com ⚡️
Richard Clark - devdevdev.net @devdevdev.net Microsoft MVP 2001-2025, développeur .NET, podcasteur devdevdev.net
Quentin ADAM @waxzce.org CEO @clever_cloud
The best velocity and resiliency cloud solution for all developers | co-founder @_icilundi
| Chairman @OpenInternetPro
| co-founder @Makair_fr
Michael Simons @rotnroll666.bsky.social 👨👩👦👦👨🏻💻🚴🏻 – Father, Husband, Developer, Athlete. Author of Spring Boot Buch, and DuckDB in Action with Manning. Java champion working at Neo4j on various integrations within the JVM ecosystem.
More: https://michael-simons.eu
Brian Benz @bbenz.bsky.social Microsoft AI Advocate. Certified stunt coder
Yuan Tang @terrytangyuan.xyz Senior Principal Software Engineer at Red Hat AI | Open Source Leader at KServe, Argo, Kubeflow, Kubernetes, CNCF | Maintainer of XGBoost, TensorFlow | Keynote Speaker | Author | Technical Advisor
More info: http://terrytangyuan.xyz
We are hiring!
Charity Majors @charity.wtf cofounder/CTO @honeycombio, co-author of Observability Engineering and Database Reliability Engineering. I test in production and so do you. 🐝🏳️🌈🦄
The Pragmatic Engineer. @pragmaticengineer.com Big Tech and startups, from the inside. Highly relevant for software engineers and managers, useful for those working in tech. The #1 technology newsletter on Substack. https://newsletter.pragmaticengineer.com/about
Gergely Orosz @gergely.pragmaticengineer.com Writing The Pragmatic Engineer (@pragmaticengineer.com), the #1 technology newsletter on Substack. Author of The Software Engineer's Guidebook (engguidebook.com). Formerly at Uber, Skype, Skyscanner. More at pragmaticengineer.com
__Alex Monahan__ @a13x.bsky.social DuckDB hype man, MotherDucker (I work at MotherDuck!), SQL nut, Pythonista, reluctant JS dev
Andrey Satarin @asatarin.bsky.social Staff SRE at Google. Distributed systems / databases / reliability / correctness. Views my own. Repost / like is not an endorsement.
http://asatarin.github.io
Urs Hölzle @uhoelzle.bsky.social Engineering Fellow at Google, working on the infrastructure powering Google Cloud and Google. Opinions are my own and are worth exactly what you pay for them.
alex gallego @emaxerrno.bsky.social founder & ceo of redpanda data - ai.redpanda.com
Lalith Suresh @lalithsuresh.bsky.social CEO @ feldera.com, the incremental compute engine for AI, ML and data teams.
Formerly a systems researcher in distributed systems, databases, cloud, OS, PL, and networking. Sci-fi and gaming nerd.
lalith.in/research
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/
Aurélie Vache @aurelievache.bsky.social 🥑Developer Advocate at OVHcloud☁️
GoogleDevExpert, 🐳Docker Captain, CNCF Ambassador, Gitpod Hero, WomenTechmakers Ambassador
Writer, sketchnoter, speaker
❤️ to help
https://developers.events creator
Bastien Gares @bastiengares.bsky.social ML Engineer | Data Scientist @ Orange | Student @ Mines Paris PSL Executive Education & DataScientest | Alumni MSc Computer Science @ Supinfo | Paris
Henry Garner @hendroid.io Principal Engineer & AI Lead @juxt.pro
AI/ML • data intensive applications • product
Author of Clojure for Data Science https://cljds.com/book
Maintainer of Clojure(Script) library kixi.stats
{London | Cambridge | Brighton}, UK
Paul Masurel (fulmicoton)🦀 @fulmicoton.bsky.social Quickwit's co-founder. Tantivy dev. Rustacean.
https://github.com/quickwit-oss/quickwit
MotherDuck @motherduck.com Making analytics fun, frictionless and ducking awesome with an unorthodox data warehouse for the post big data era based on @duckdb.org in collab with DuckDB Labs
ClickHouse @clickhouse.com ClickHouse is the fastest open-source OLAP database ⚡
Download: http://clickhouse.com
GitHub: http://clickhou.se/GitHub
Slack: http://clickhouse.com/slack
DuckDB @duckdb.org DuckDB is an analytical in-process SQL database management system. "DuckDB" and the DuckDB logo are registered trademarks of the DuckDB Foundation.
Geoffroy Couprie @geoffroycouprie.com Messing with Rust and cryptography
PostgresML @postgresml.bsky.social Postgres with GPUs for ML/AI apps | Sign up for $100 in free usage credits
🦉 https://postgresml.org
⭐ https://github.com/postgresml
💬 https://discord.com/invite/DmyJP3qJ7U
Sean McArthur @seanmonstar.com Open Source maintainer of the rust-lang @hyper.rs.
More at seanmonstar.com
Matt Fleming @mfleming.bsky.social Nyrkiö co-founder. Systems engineer at Cloudflare. Former Linux kernel maintainer. Performance nerd.
Ryan Boyd @ryguyrg.bsky.social data, devex, authNZ geek. cofounder at motherduck. 
Pedro Ferreira @turbofish.cc Working on Open Source Software. Software Engineer 👨🏻💻, DIY enthusiast 🔧.
I like machines which make noise 🎛. Rustacean 🦀, Embedded systems.
Geneva, Switzerland 🇨🇭
🗣️ 🇵🇹🇬🇧🇮🇹🇫🇷🇪🇸
#eurorack #electronics #rust #rustlang #synth #fedi22
Mastodon: ubik@turbofish.cc
Octave Klaba @olesovhcom.bsky.social OVHcloud.Jezby.Shadow.Qwant.Poweend.MFF.married.1+2 daughters.
Roubaix Valley
https://ovhcloud.com
Rust Adventure @rustadventure.dev Learn to build reliable and efficient software in Rust
https://www.rustadventure.dev/
amos @fasterthanlime.hachyderm.io.ap.brid.gy hi, I'm amos! 🍃 they/them 🫐 open-source witch & maker of snappy videos and articles at https://bearcove.eu ✨ be kind, be curious
🌉 bridged from ⁂ https://hachyderm.io/@fasterthanlime, follow @ap.brid.gy to interact
Integralist @integralist.bsky.social Staff SWE @Fastly (Go/Rust).
Ex: Staff Engineer @BuzzFeed, Principal Engineer @BBC & @StormCreative.
Compassionate Listener. Husband. Father. He/Him.
Tim McNamara @timclicks.dev Trainer and consultant on the Rust programming language. Author of Rust in Action. Team climate. Walkable neighbourhoods are nice, actually.
Signal: @timclicks.01
austin @aparker.io the only thing worse than my code are my jokes
governance @opentelemetry.io
director of ai strategy @honeycomb.io
av by @extinctinks.net
@madhavjivrajani.bsky.social @madhavjivrajani.bsky.social Systems @ UIUC | Helping Maintain The Kubernetes Project | GopherCon Co-Chair | ♥️ Theory + Systems | Views are my own.
Bala @bala.bsky.social A Linux ,container k8s security, SRE enthusiast,. Avid runner and cyclist #CKA #kubestronaut. Looking for next role in SRE/platform engineering