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Quansight
@quansight.com
Quansight is a data, science, and engineering firm that specializes in solving complex, data-related problems by leveraging the open source software at the foundation of innovation in AI and ML.
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Ever wonder what's happening behind the scenes in NumPy, pandas, SciPy, and other tools you use daily?

The Quansight Quarterly brings you updates from the people building and maintaining the scientific Python ecosystem.

Subscribe → quansight.com/subscribe-to...
The open source community keeps achieving incredible things, new features, solved challenges, and collaborative breakthroughs.

Celebrate these wins with us. Get the Quansight Quarterly in your inbox.

Join the community → buff.ly/qvxjk3f
November 11, 2025 at 3:00 PM
The Python community thrives on diverse perspectives. That's why we're backing PyLadiesCon 2025 as a Partner Sponsor.

6 languages 🌍
Talks, panels, sprints & workshops 💻
FREE online event ✨

Mark your calendar: Dec 5-7
Get involved → buff.ly/IUtdNP1
#PyLadies #PythonCommunity
November 10, 2025 at 5:21 PM
Summer intern, Britney Whittington, spent 3 months making NumPy's test suite thread-safe, working alongside mentors Nathan Goldbaum and Lysandros Nikolaou.

Read Britney's detailed breakdown: buff.ly/xbOcVLI
November 5, 2025 at 2:00 PM
Looking forward to what emerges from PyData Seattle 2025 this week! We are thrilled to support this gathering as a Diamond Sponsor. If you're attending, we hope you have inspiring conversations and make valuable connections. buff.ly/7mHxHCA
November 4, 2025 at 2:03 PM
Open source thrives on collaboration! 🌊

Our summer intern, Michele Pettinato, shares how the Narwhals study group helped her build narwhals-daft, a plugin that lets you pass daft dataframes to libraries like Plotly with zero code changes.

Read Michèle's story: buff.ly/9mlgqmf
Creating a daft plugin for the Narwhals library
On doing an open source internship & how we created a plugin for daft
labs.quansight.org
November 3, 2025 at 3:40 PM
🤝 The best code is built together! Join Marco Gorelli now as he develops Narwhals live.

Share your ideas, ask questions, and help shape the future of dataframe compatibility.

buff.ly/HXC0Lwm
#PythonCommunity #OpenSource
October 31, 2025 at 2:45 PM
Reposted by Quansight
We are hiring!

@quansight.com is looking for a Senior Engineer for Python/C/C++ Packaging 📦. If you have dabbled with @python.org wheels, @conda.org packages, and the like, get in touch!

You can apply at job-boards.greenhouse.io/quansight/jo...
Senior Engineer Python/C/C++ Packaging
Remote
job-boards.greenhouse.io
October 30, 2025 at 11:37 AM
Ever wondered how to approach a major codebase migration in open source?

Summer intern Philip Narteh breaks down his experience migrating pyOpenSci from Jekyll to Django—the decisions, the challenges, and the wins.

Read the full story: buff.ly/NisTKJL
#Django #WebDev
October 29, 2025 at 6:15 PM
From university coding sessions to CPython core developer, Lysandros Nikolaou didn't get there alone.
His #PyConSweden keynote celebrates the mentors, encouragers, and community members who nudge us forward at just the right times.
Because open source is about people, not just code.
pycon.se#top
October 27, 2025 at 2:02 PM
🌱 The PyData ecosystem thrives when the community comes together. Excited to support PyData Seattle 2025 as a Diamond Sponsor and help create space for data scientists, engineers, and developers to share ideas and learn from each other. 🐍 buff.ly/Oknn4yY
October 24, 2025 at 4:04 PM
Exciting work on BLAS/LAPACK packaging!📦

As part of bringing better BLAS/LAPACK support to Meson, Michał Górny learned a lot about how these essential libraries differ across implementations and distributions, and he is sharing it all with the community.

📖 Dive into the details: buff.ly/JAxtRop
BLAS/LAPACK packaging
An overview of differences between BLAS / LAPACK implementations and their packaging.
labs.quansight.org
October 23, 2025 at 5:24 PM
The magic behind the curtain 🎭

Lysandros Nikolaou demystifies CPython internals at #EuroPython2025, showing how features like T-strings, structural pattern matching, and type parameters get implemented in the compiler.

Watch: buff.ly/g0DXKzg
Uncovering the magic of implementing a new Python syntax feature — Lysandros Nikolaou
[EuroPython 2025 — Forum Hall on 2025-07-16] 🎤 *Uncovering the magic of implementing a new Python syntax feature by Lysandros Nikolaou* 🔗…
www.youtube.com
October 20, 2025 at 4:49 PM
🚀 Narwhals live stream starts in one hour! ☕ Join Marco Gorelli as he builds the future of dataframe compatibility. ➡️ buff.ly/08AcYYN #Narwhals #DataEngineering
Narwhals development livestream
Narwhals is a lightweight compatibility layer between dataframe libraries (pandas, Polars, Modin, cuDF, PyArrow, and more coming soon!) - join us as we develop it -- chat, ask questions, or just…
buff.ly
October 17, 2025 at 2:03 PM
The free-threaded future of Python is getting a performance upgrade!
Neil Schemenauer details how new Garbage Collector (GC) optimizations—including "mark-alive" and smart process-size triggers—are making Python 3.14 faster. We're talking up to 12x speedup in GC-heavy tasks!
🔗 buff.ly/zoYy81J
Unlocking Performance in Python's Free-Threaded Future: GC Optimizations
A description of the performance optimizations made to the free-threaded garbage collector for Python 3.14.
buff.ly
October 16, 2025 at 7:40 PM
👀 Curious about unifying pandas, Polars, and more? 📹 Our Narwhals livestreams have got you covered! Join our next live session with Marco Gorelli this Friday. Subscribe to stay posted on when we go live 👉 buff.ly/LtgHNKl #Python #DataEngineering
October 15, 2025 at 2:01 PM
"Open source is less about the code you write and more about the people you collaborate with."

Philip Narteh reflects on his summer internship at Quansight, where he learned the ropes of open source while migrating pyOpenSci to Django, guided by his amazing mentors. 🔗 buff.ly/VK35u7P
October 14, 2025 at 2:01 PM
🦄 Writing data science tools shouldn't mean wrestling with pandas, Polars, DuckDB compatibility!

Marco Gorelli shows how Narwhals lets you focus on YOUR problem, not dataframe differences.

Already powering Altair, Plotly, Marimo & more ✨

Watch the full talk from PyConDE PyData →
How Narwhals is silently bringing pandas, Polars, DuckDB, PyArrow, and more together
🔊 Recorded at PyCon DE & PyData 2025, April 25, 2025 https://2025.pycon.de/program/CPCNRZ/ 🎓 If you were writing a data science tool in 2015, you'd have ensured it supported pandas and then called…
buff.ly
October 10, 2025 at 2:05 PM
Do you want to make your docs accessible but don't know where to start?

Smera Goel shows you exactly how - free tools, quick wins, and the accessibility work behind PyData Sphinx Theme.

This is the practical guide you need!

Watch the full talk from PyCon DE PyData → buff.ly/GAbTC4C

#a11y
A11y Need Is Love (But Accessible Docs Help Too)
🔊 Recorded at PyCon DE & PyData 2025, April 24, 2025 https://2025.pycon.de/program/WLZSEZ/ 🎓 Accessible documentation benefits everyone, from developers to end users. Speakers: Smera…
buff.ly
October 9, 2025 at 2:01 PM
Ever wonder what's happening behind the scenes in NumPy, pandas, SciPy, and other tools you use daily?

The Quansight Quarterly brings you updates from the people building and maintaining the scientific Python ecosystem.

Subscribe → quansight.com/subscribe-to...
October 8, 2025 at 6:53 PM
PyLadiesCon 2025 is happening December 5-7, and we couldn't be more excited to support it! 🌟

Multi-language, multi-timezone, and completely FREE. Whether you're presenting, volunteering, or attending, this is community-driven tech at its finest.

Learn more: buff.ly/5mbiCIY

#PyLadiesCon2025
October 7, 2025 at 4:01 PM
🎯 The Python community has achieved a major milestone with asyncio now scaling across multiple cores in Python 3.14. Kumar Aditya shares the journey of reimagining asyncio's internals for a thread-safe, lock-free architecture.

Dive into the technical details: buff.ly/c5CFYt0
October 6, 2025 at 5:00 PM
We're live! 🦄

Marco Gorelli is coding Narwhals right now. Jump in to watch, ask questions, and hang out with the community.

Join us 👉 here:
Narwhals development livestream
Narwhals is a lightweight compatibility layer between dataframe libraries (pandas, Polars, Modin, cuDF, PyArrow, and more coming soon!) - join us as we develop it -- chat, ask questions, or just…
buff.ly
October 3, 2025 at 3:01 PM
"Communities can catch people at just the right moment, and each of us has the power to be that pivotal person for someone else."

Lysandros Nikolaou will share his journey at #PyConSweden!

Join him to hear how mentors, friends, and random emails shaped his path. 🐍

pycon.se#top
October 2, 2025 at 4:06 PM
🔥 Marco Gorelli is going live this Friday to work on Narwhals. Come hang out, watch the magic happen, and ask questions about making your library work.
See you there! 🔔 buff.ly/znNjID8
#Narwhals #OpenSource #Pandas #Polars
October 1, 2025 at 7:17 PM
Happy International Podcast Day! 🎙️
Celebrating with some amazing episodes featuring our @quansight team:
🎧 Athan Reines on stdlib
🎧 Marco Gorelli on Narwhals
🎧 Ralf Gommers on NumPy
🎧 Travis Oliphant on SciPy & scientific Python
Links 🧵👇
What's your favorite tech podcast? Share with us!
September 30, 2025 at 6:00 PM