Speakers at PyCon 2025
These speakers await you at the upcoming conference. Please note that this page is not complete yet, it’s updated regularly.
I’m a software developer and computer science teacher. I develop WebTigerPython, an IDE for novice programmers, and teach others about coding. I enjoy the many applications of computer science and aim to make coding accessible to everyone, regardless of their background or experience.
Python/Django Senior Software Engineer, Solution Architect and Tech Speaker.
I start my career as a programmer specializing in embedded solutions in 1997, and grow to the role of Chief Technology Officer in 2023. Through many successful projects, I gained a robust understanding of various software development paradigms. In last 10 years as a code mentor, I’ve got three times the Award “Super Mentor in Engineering”.
Karl Deix works at the Institute of Materials Technology, Building Physics and Building Ecology at the Vienna University of Technology and is involved in the application of machine learning algorithms in building materials science on the one hand and the structural development of architectural projects together with students on the other.
After the economics and cognitive science study, I ended up as the backend developer tasked with maintaining over 100 integrations. These days I work as a frontend developer at work and volunteer as a data analyst at the Ace Community Survey. Otherwise you can find me writing fanfiction (and wrangling tags), dancing, and playing go.
List of my talks:
https://sarajaksa.eu/cv/#presentation
Regex is Magic:
https://www.youtube.com/watch?v=bIjmc0UdmVQ
Introduction to Network Analysis by Analyzing Characters in Harry Potter Fanfiction :
https://www.youtube.com/watch?v=UYxX4c97iAc
My private blog:
Thomas Aglassinger has been using Python in since 2008 for various tasks, such as preparing unstructured data for integration in a data warehouse, helping people to realize their application idea with Django, or implementing open source tools like pygount. He is the founder of Siisurit and a part time employee of Providens Analytics, where Python and Django are a prominent part of the technology stack.
Outside of his professional career he helps organizing the Python user group Graz, likes to take bike trips and is an avid gamer.
From previous PyDays Vienna Talks:
And a more recent one from the Linuxtage in Graz (in German):
https://pretalx.linuxtage.at/glt24/talk/CYEDMA/
Private:
Company:
Radovan Bacovic is a Staff Data Engineer at GitLab, living, enjoying and coding in Novi Sad, Serbia.
Part of the Data gigants ambassador program: Snowflake Squad and dbt spotlight members.
An experienced data engineer and “wanna-be” is the best bad conference speaker. Forever eager to discover new data technologies in the fast-changing environment. He armoured himself with a profound application development background in large international companies around the globe. Strongly advocated for the open-source community and open-core approach.
Without any doubt – a fervent data geek delighted to share his long mileage and experience with a broader audience.
He was trapped in the Data world for 20 years. Passionate Brazilian Jiu-Jitsu practitioner.
I am a machine learning engineer and Pythonista from Czechia. My specialization lies at developing end-to-end machine learning solutions and deploying them into production.
List of my favorites is following:
- color: beige
- animal: polar bear
- food: pizza hawaii
- member of One Direction: Harry Styles
Christophe is a Senior Software Engineer at DataStax working on AI frameworks. Through his love for open source, he is also a LangChain Community Champion, an Apache Pulsar committer and a core team member of JHipster and OpenAPI-generator projects.
I’m a freelance web developer helping small teams ship reliable software. I’ve been working with Python for 10+ years and enjoy automating work for other developers.
These days I’m very interested in local-first software technologies. I attended the Recurse Center (a programming retreat) in 2018.
https://www.linkedin.com/in/direr/
Týna Doležalová is a geospatial data scientist with a passion for making data accessible and engaging. As an organizer of PyLadies Vienna, she helps beginners take their first steps in Python and data science. She has years of experience working with geospatial data, web scraping, and data analysis, and she enjoys sharing her knowledge in a practical, beginner-friendly way.
- Software Engineer (surprise?)
- An expat living in Austria for over 8 years
- I enjoy heavy metal music
- Traveling is nice, too
- Languages, as well (not just programming, I promise)
- Sailing is a more recent hobby of mine
Over the past 10 years, I’ve worked at three different companies, with most of my experience centered around hardware and automation. My journey includes:
- Working with industrial GPS receivers and devices that control heavy machinery.
- Participating in a research project on an autonomous tractor.
- Leading the development of both hardware and software for a test station used in the mass production of smart speakers. This system operated 24/7, and I even had the opportunity to act as the team lead for this initiative.
In recent years, I’ve been working with payment terminals, further expanding my expertise.
Interested in NLP, Linguistics, Behavioral Economics, Deep Learning, Analytics, and Academia. When not consumed with work, I post YouTube videos, make Discord bots, write Twitter threads, work on automation/web app projects on GitHub, or try threading some words on Medium Blog.
PJ Hagerty is a well-known figure in the tech industry, particularly within the Developer Relations, Open Source and DevOps communities. He is recognized for his work as a Developer advocate, community builder, writer, and speaker. He is also known as the founder of DevRelate.io. He currently works as Lead, AI Advocacy for IBM.
I am a Software Engineer with over 5 years of experience in Python development, infrastructure management, and system optimization. I’ve successfully translated legacy applications to Python and migrated applications between different Python versions. I built educational platforms that helped beginners secure job offers and also worked on creating the MaaS app that some people use everyday. I combine Python technical skills with a passion for mentorship. As a Computer Science graduate and Certified Associate Python Programmer (PCAP-2021), I bring practical experience, making complex technical concepts accessible to diverse audiences.
My versatility extends beyond corporate projects – since 2021 I’ve won coding competitions and hackathons, demonstrating my ability to solve problems under pressure. Beyond tech, I’ve contributed to social causes as a UNICEF volunteer, bringing a well-rounded perspective to my technical work. I actively collaborate with organizations in Poland dedicated to supporting Women in Tech, helping to create more inclusive and diverse technical communities.
My name is Horst JENS, I have been working as an IT trainer and programmer in Vienna for over 30 years.
I founded Game-Programming to be able to combine my favorite activity with my job: teaching young students to program and publish their own computer games.
My focus is on teaching the Python programming language and the use of free software (Free/Libre Open Source) for operating systems, programming languages and applications.
I am particularly proud when my (young) students publish the programming projects they have created in the course on the Internet and thereby gain reputation and attention. Programming students of mine have taken part in the Ars Electronica national U-19 competition several times and won prizes. I am particularly happy when my (adult) customers tell me that they have been able to solve a time-consuming problem or have opened up a new career field thanks to the programming knowledge they acquired in the course.
Aivars Kalvāns is a FinTech developer, software architect, and consultant. He spent more than 18 years developing
and architecting payment card software for acquiring and issuing, accounting and utility payments through mobile phones, ATMs, and POS terminals.
At the moment he is a contractor for Ebury exploring the Foreign Exchange area of the FinTech landscape.
Software engineer at Sentry. Owned by two cats. Used to speedrun (more like speedclick).
I am a data science consultant with a PhD in Statistics from Vienna, Austria. I got into Python through Kaggle competitions, where I became a Competition Grandmaster. After founding my own startup, I became heavily involved in software engineering with Python. The Open Source library pgcrud is my way of sharing my passion and expertise with the Python Community.
Olena is a Staff Developer Advocate at Confluent and a recognized expert in data streaming and analytics. With two decades of experience in software engineering, she has built mission-critical applications, led high-performing teams, and driven large-scale technology adoption at industry leaders like Nokia, HERE Technologies, AWS, and Aiven.
A passionate advocate for real-time data processing and AI-driven applications, Olena empowers developers and organizations to use the power of streaming data. She is an AWS Community Builder, a dedicated mentor, and a volunteer instructor at a nonprofit tech school, helping to shape the next generation of engineers.
As an international speaker and thought leader, Olena regularly presents at top global conferences, sharing deep technical insights and hands-on expertise. Whether through her talks, workshops, or content, she is committed to making complex technologies accessible and inspiring innovation in the developer community.
Former scientist who now works as a software engineer and in the field of data science. Huge nerd and lover of all things concerning free and open source software. Let us make SciFi utopia a reality!
Andrea Ida Malkah Klaura (IRL: jackie) has degrees in technical computer science from the TU Wien, in science and technology studies from the Univ. of Vienna and in IT security from the FH Technikum Wien. Besides hir current work as open source engineer and coding lecturer at the Univ. of Applied Arts Vienna as well as feminist technoscience studies lecturer at the TU Wien, ze also builds on a background in IT operations. Hir main interest is bringing people and technologies together to create safer, more participatory and sustainable spaces for the adoption and creation of tools and techniques and the sharing of knowledge, with the aim to contribute to a good life for everyone. #morefunnotprofit
I am a Python software engineer with over 7 years of experience. Currently working as a team lead for Finmatics, an AI-driven accounting company and simultaneously running my own product development consultancy, Majikode, where I design pragmatic and maintainable software. Being exposed to a lot of junior engineers during my day-to-day and, most recently, attending Django Vienna, made me realize that I have a lot of knowledge I would love to share with others.
Privately I love to tinker on my homelab, swim (and recently scuba dive) and do escape rooms!
Bewegende Architektur e.U. is at the intersection of art and technology, between science and craftsmanship. The idea centers around robots that transform everyday functions into a dance. Beside running my company i am teaching digital methods at the University of Art and Design Linz and the Technical University of Vienna. As a self-taught coder and programmer, I have been working with Linux and other open-source projects for over two decades. In addition to Python, I work with C++ and JavaScript, as well as node-based systems like Geometry Nodes.
AI Adoption Accelerator | Senior consultant | Lead the Change | Circular Economy
Hi, my name is Ines Panker. Software Engineer by trade, Explorer at heart.
Computer Engineer with +10 years in software development, working on e-commerce, biotech, fintech, and AI. Nowadays, Product Labs Dev at Halborn, and previously Staff Engineer at Distro (YC 2024). My last outstanding project was a capstone report for the “Machine Learning Engineer Nanodegree” program at Udacity: “Ensemble of Generative Adversarial Networks as a Data Augmentation Technique for Alzheimer research” which I presented at PyCon Bolivia 2022, and PyCon Italia 2023.
I am currently establishing Edutech Startup in Indonesia which hold position as a Director. My specific research interests are in Machine Learning, Deep Learning, Music Retrieval, Computer Science and Programming. I Use only Python Programming as a tools for research and my startup. I graduated from Universitas Indonesia both bachelor and master degree. Beyond my activities, I also faculty member / assistant professor at UPN Veteran Jakarta Indonesia for both teaching and research activities focus on Machine Learning and python programming.
Abhishek is a software engineer with 5+ years of experience in frontend and backend development. At Swiggy, he built a UI used by over 10 million users daily and worked on scalable backend systems. He created an open-source video streaming service in Golang, 200+ GitHub stars and counting. Currently, at Observe AI, he is building an AI Voice Agent Platform. He also shares insights as a tech writer and enjoys exploring new technologies.
Armin Ronacher is an influential open-source software developer, author, and thought leader in the Python programming community. He is best known as the creator of the Flask web framework, a lightweight and modular tool that has transformed how developers build web applications. For the last 10 years he has worked on Sentry, an Application Performance Monitoring and Crash Reporting solution, most recently as VP of Platform.
Senior Software Engineer. SciPy and SALib maintainer. Scientific Python SPEC Steering Committee.
Fabian is a software engineer at Sentry, focusing on web interfaces using Python and Django. Previously, he worked in geospatial software, developing solutions for accessing satellite imagery. He helps organize the local PyLadies chapter, conducts workshops, and mentors. He is particularly interested in language details, performance optimization, and Python’s interoperability with other programming languages.
Talks on FOSS4G 2022, 2024:
https://talks.osgeo.org/foss4g-2022/speaker/PR8SFJ/
https://talks.osgeo.org/foss4g-europe-2024/talk/RNYUNN/
see https://runtux.com/
A software engineering team lead with a warm place in heart for clean code, and a constant vendetta against technical debt. When I’m not automating cybersecurity procedures with Python, I’m usually using it for travel-hacking or supercharging music streaming apps.
Using Python to make the sun shine and the wind blow. Greedy polyglot, sustainable urbanist, unicode collector, Python Software Foundation Fellow.
Tech leader with 8+ years experience applying graph databases to solve complex business challenges. As Co-Founder and CTO of ClearPic.ai, I develop tools that map business relationships in Central Asia and the Caspian region, helping clients uncover hidden connections and compliance risks. My background combines data science with practical financial intelligence – from Deloitte and PwC to leading R&D at Urus Advisory where I specialized in high-risk market analysis.
My passion is making complex data speak through network visualization. Whether tracking suspicious transaction patterns or mapping corporate ownership structures, I believe graph technology offers perspectives traditional SQL can’t match. When not coding in Python, I like to try different Chinese teas and listen to jazz records – helps me think better when solving hard problems.
Alex Shershebnev is a seasoned Computer Vision and MLOps Engineer with over nine years of experience shaping the future of AI-driven software development. Currently, Alex leads the ML/DevOps team at Zencoder, where he leverages his extensive background in Software Engineering, ML and DevOps to deliver high-quality machine learning solutions. His work spans complex data pipelines, cloud infrastructure management (GCP, Kubernetes), and advanced ML/DevOps pipelines, ensuring scalability and efficiency. Before Zencoder, Alex played pivotal roles in numerous projects, including leading teams at Sanas, ivi and MTS AI.
His technical expertise in machine learning, data science, and bioinformatics has led to impactful solutions across industries, ranging from bioinformatics at the University of Massachusetts to video analysis at ivi.ru and MTS AI. Alex has a proven track record of managing complex infrastructure that scales to hundreds of GPUs, enabling effective and easy use of cloud infrastructure for data scientists while driving down costs through cloud consolidation efforts and boosting productivity through the deployment of sophisticated AI models.
In addition to his technical contributions, Alex has been instrumental in mentoring teams and fostering a culture of innovation and collaboration. His deep understanding of AI systems, from developing recommendation engines to cutting-edge computer vision algorithms to voice and NLP, positions him as a thought leader in the AI and ML space. Whether it’s speaking on the latest advancements in MLOps, sharing insights on AI-driven automation, or discussing the future of AI in the enterprise, Alex brings a wealth of knowledge, practical experience, and a passion for pushing the boundaries of what’s possible with AI.
Biostatistician by training, time series forecaster at Google, “gradient boosting guy” at Simple Finance. Currently, entangling knots on protein backbones at Masaryk University and taming llamas and other LLM creatures at Mediaboard.
I have been working in tech for over 35 years, and am passionate about open source and emerging technologies, and how they help developers build better software.
My name is Lidiane, but feel free to call me Lidi. I’m a Brazilian software engineer who has been working in web development since 2015 — partly in Brazil, partly in Berlin, and now in London, where I work at Artsy. While I primarily see myself as a back-end engineer, I’ve been striving to balance that with front-end work over the past couple of years. Outside of tech, I spend most of my time playing with my two lovely dogs, baking sourdough bread, or exploring vegan restaurants with my partner.
Stefan is a software craftsman and educator with over 15 years of experience spanning fintech, automotive, and embedded systems. He combines deep technical expertise in software architecture with a passion for clean code practices, particularly test-driven development (TDD) and extreme programming.
Stefan specializes in extreme programming (XP), test-driven development (TDD), and lean development practices. His technical expertise spans multiple languages – including C++, Python, and Rust. He has led significant projects, including the design and implementation of Vienna’s automated announcement system used by the Wiener Linien, demonstrating his ability to deliver complex, mission-critical software.
Stefan’s work has been recognized internationally, with presentations at conferences across Europe and Asia. His unique perspective comes from bridging industry and academia – he has taught programming and robotics at the University of Sheffield and, as a lecturer, developed curricula for and taught subjects – such as digital systems, programming and embedded software at the University of Applied Sciences Technikum Wien.
Stefan helps organizations transform their development processes, focusing on code quality, automated testing, and system optimization. His approach combines technical excellence with practical mentorship, enabling teams to deliver more reliable and maintainable software.
Global EMBA Candidate at IESE | AI, GenAI & Data Leader | Founder
https://github.com/WolframAlph
I’m a Python developer, data engineer, and D&D enthusiast who loves bridging the gap between code and creativity. When I’m not wrangling data pipelines or slinging dice behind the DM screen, I’m probably building lego with my 3-years old or showing him around the Rome.