About us
PyData Sofia Meetups are monthly events organized with the purpose to meet and talk about Python, Data Science, AI and other interesting topics. The format revolves around one talk and a few hours of networking. We believe that discussions are key to the development of specialists in our areas and direct talks to peers bring a lot of value. As a meetup, we strive to build an inclusive environment where everyone is free to join, not only as a member, but as a speaker as well. We invite everyone, including first-time speakers, students, junior engineers, to share with the community their ideas, knowledge but also problems and questions.
About PyData:
PyData is an educational program of NumFOCUS, a 501(c)3 non-profit organization in the United States. PyData provides a forum for the international community of users and developers of data analysis tools to share ideas and learn from each other. The global PyData network promotes discussion of best practices, new approaches, and emerging technologies for data management, processing, analytics, and visualization. PyData communities approach data science using many languages, including (but not limited to) Python, Julia, and R.
The PyData Code of Conduct governs this meetup. (http://pydata.org/code-of-conduct.html) To discuss any issues or concerns relating to the code of conduct or the behavior of anyone at a PyData meetup, please contact NumFOCUS Executive Director Leah Silen (+1 512-222-5449; leah@numfocus.org) or the group organizer.
Upcoming events
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PyData Sofia & DSS Meetup June 2026
SiteGround HQ, ж.к. София парк Младост, ул. „Олимпийска“ 6, Sofia, BGCome and join us on Jun 18, 2026 for a dive into a topic that impacts everyone using Python. (Important: The event requires a mandatory registration)
Everyone knows that there is no real multithreading in Python - or is there? The tradeoffs between processes and threads is well known. But what if we could have the best of both worlds? This is where subinterpreters come in. We will go over what subinterpreters are, how they work, and most importantly, how we can use them to make our code faster.
We will also go deeper into Python’s internals and explore what a GIL-less Python looks like. The “freethreaded” builds of Python are easily accessible - but are there drawbacks?
After that, we can have a quick chat and enjoy some drinks and pizza (provided by SiteGround)
If this sounds interesting to you, make sure to sign up below:
Speaker bio:
Lyuboslav Karev has 6 years of experience with anything Python related - web development, automation, AI and Machine Learning. In his current role at SiteGround, he works on Coderick AI - an AI-powered coding platform, which allows its users to create and host sites, business tools, and apps. In his free time, he is part of the Python course in Sofia University.Agenda:
19:00 - 19:10: Opening & introduction
19:10 - 19:45: Subinterpreters & GIL-less Python
19:45 - 20:30: Networking with drinks and pizza (provided by SiteGround)Place: SiteGround HQ , 6 Olimpiyska st., Sofia
Parking: available**.**
Directions: https://www.google.com/maps/place/g.k.+Sofia+parkMladost,+ul.+%22Olimpijska%22+6,+1766+Sofia/@42.6228344,23.3692001,3a,90y,270h,84.41t/data=!3m7!1e1!3m5!1sxcFgY8KOgVqqw7dZJ-Y70w!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D5.590685654068935%26panoid%3DxcFgY8KOgVqqw7dZJ-Y70w%26yaw%3D270!7i16384!8i8192!4m6!3m5!1s0x40aa813466d6ce39:0xb464d77033cdd740!8m2!3d42.6229584!4d23.3679717!16s%2Fg%2F11sjsgh0c6?entry=ttu&g_ep=EgoyMDI2MDMyNC4wIKXMDSoASAFQAw%3D%3D22 attendees
Past events
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