Here are some photos from our seminar held yesterday at Startit Center in Novi Sad. Thanks to Vadim Opolski for sharing his insights on AI streaming architectures and more! Weβll publish the recording in the coming weeks π
Weβll be back in Belgrade for our next workshop! On Saturday, December 20, weβll work on creating better prompts for AI agents. Stay tuned β weβll drop an announcement soon!
Weβll be back in Belgrade for our next workshop! On Saturday, December 20, weβll work on creating better prompts for AI agents. Stay tuned β weβll drop an announcement soon!
π₯6
Data Sanity Workshop: Optimizing AI Agent Prompts with DSPy
π December 20, 11:00 - 13:00
π Belgrade, NuΕ‘iΔeva 15
π https://luma.com/xi58ggeo
βIn this hands-on workshop, youβll be introduced to DSPy, a practical framework for optimizing prompts for AI agents.
Together with Michael Pavlukhin, we will:
π Revisit the fundamentals of AI agents
π Learn how to improve prompts using the GEPA evolutionary optimizer with DSPy
π Build a movie recommendation agent
π Experiment and gain hands-on experience
βRequirements:
π€ A laptop
π€ Proficiency in Python and notebooks
π€ (Nice to have) Experience working with LLMs via APIs
βοΈ Register for free to secure your spot!
βThis event is hosted by Mainstream β the leading cloud provider in Southeast Europe.
π December 20, 11:00 - 13:00
π Belgrade, NuΕ‘iΔeva 15
π https://luma.com/xi58ggeo
βIn this hands-on workshop, youβll be introduced to DSPy, a practical framework for optimizing prompts for AI agents.
Together with Michael Pavlukhin, we will:
π Revisit the fundamentals of AI agents
π Learn how to improve prompts using the GEPA evolutionary optimizer with DSPy
π Build a movie recommendation agent
π Experiment and gain hands-on experience
βRequirements:
π€ A laptop
π€ Proficiency in Python and notebooks
π€ (Nice to have) Experience working with LLMs via APIs
βοΈ Register for free to secure your spot!
βThis event is hosted by Mainstream β the leading cloud provider in Southeast Europe.
π₯4π1
Data Sanity Talks
Data Sanity Workshop: Optimizing AI Agent Prompts with DSPy π December 20, 11:00 - 13:00 π Belgrade, NuΕ‘iΔeva 15 π https://luma.com/xi58ggeo βIn this hands-on workshop, youβll be introduced to DSPy, a practical framework for optimizing prompts for AI agents.β¦
The workshop begins in 24 hours!
A few tips:
βοΈ Please register using your full name (required for lobby security)
π» No prior experience with any specific LLM API is required
π» Weβll be working in Google Collab, so thereβs nothing to install ahead of time
π» If you donβt have a laptop, youβre still welcome to attend and experiment with the notebook later at home
βοΈ Register for free to secure your spot!
A few tips:
βοΈ Please register using your full name (required for lobby security)
π» No prior experience with any specific LLM API is required
π» Weβll be working in Google Collab, so thereβs nothing to install ahead of time
π» If you donβt have a laptop, youβre still welcome to attend and experiment with the notebook later at home
βοΈ Register for free to secure your spot!
Luma
Structured Context Engineering: Optimizing AI Agents with DSPy Β· Luma
Data Sanity Workshop: Optimizing AI Agent Prompts with DSPy
In this hands-on workshop, youβll be introduced to DSPy, a practical framework for optimizingβ¦
In this hands-on workshop, youβll be introduced to DSPy, a practical framework for optimizingβ¦
π4π₯1
Here are some photos from yesterday's Data Sanity workshop "Optimizing AI Agent Prompts with DSPy" with Michael Pavlukhin β¨
Thank you all for coming, and see you in 2026!
Special thanks to Mainstream, the leading cloud provider in Southeast Europe, for hosting us at their Belgrade office β€οΈ
Thank you all for coming, and see you in 2026!
Special thanks to Mainstream, the leading cloud provider in Southeast Europe, for hosting us at their Belgrade office β€οΈ
β€9
π¨ OpenTalks.AI: Last call for speakers!
Today is the final day to submit a talk proposal for OpenTalks.AI, an ML conference happening in Belgrade on Feb 19-20.
Yes, itβs a very late notice β but thereβs still time!
Apply here: https://opentalks.ai/en/call-for-proposals
P.S. We, the Data Sanity team, are also planning our own event on the weekend following the conference β stay tuned!
Today is the final day to submit a talk proposal for OpenTalks.AI, an ML conference happening in Belgrade on Feb 19-20.
Yes, itβs a very late notice β but thereβs still time!
Apply here: https://opentalks.ai/en/call-for-proposals
P.S. We, the Data Sanity team, are also planning our own event on the weekend following the conference β stay tuned!
opentalks.ai
OpenTalks.AI - Call for papers and proposals
π4π₯4
Fellow data scientists and enthusiasts,
We, the Data Sanity team, are preparing a course on LLM and AI agent basics β covering both theory and practice (Python + LangChain & LangGraph ecosystem). We'll teach you fundamentals and more advanced topics, highlight main trends in the industry, and help you build an AI agent to practice your newly acquired skills.
We'll host 8-9 in-person seminars in Belgrade in March and April. But when exactly? You can help us decide by voting in the questionnaire below!
P.S. We are currently looking for a sponsor to make this course 100% free. If you'd like to sponsor and help the local data community β please reach out!
We, the Data Sanity team, are preparing a course on LLM and AI agent basics β covering both theory and practice (Python + LangChain & LangGraph ecosystem). We'll teach you fundamentals and more advanced topics, highlight main trends in the industry, and help you build an AI agent to practice your newly acquired skills.
We'll host 8-9 in-person seminars in Belgrade in March and April. But when exactly? You can help us decide by voting in the questionnaire below!
P.S. We are currently looking for a sponsor to make this course 100% free. If you'd like to sponsor and help the local data community β please reach out!
π₯6
Best time to run weekly seminars in Belgrade in March and April?
Anonymous Poll
41%
Weekdays 19:00 - 21:00
59%
Weekends 11:00 - 13:00
10%
See the results π
Hello data fellows,
OpenTalks.AI conference program is live!
The OpenTalks.AI 2026 conference will take place on Feb 19-20 at Sava Centar. There will be 3 tracks β research, engineering, and business β with hot topics like LLMs, CV, AI agents, compute optimization, and more!
π Use promo code DataSanityOT26 to get a 20% discount on registration.
OpenTalks.AI conference program is live!
The OpenTalks.AI 2026 conference will take place on Feb 19-20 at Sava Centar. There will be 3 tracks β research, engineering, and business β with hot topics like LLMs, CV, AI agents, compute optimization, and more!
π Use promo code DataSanityOT26 to get a 20% discount on registration.
opentalks.ai
OpenTalks.AI - Timetable 2026
π6π₯2
Fellow data scientists and enthusiasts,
Data Sanity is launching the course "Intro to AI Agents" β 8 sessions combining lectures and workshops on AI agent development.
π When: Saturday 11:00 β 13:00, March 21 β May 23
π Where: Belgrade, Faculty of Mathematics, Studentski trg 16
π Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
The course covers LLM and AI agent fundamentals, modern agentic frameworks, and hands-on exercises for building AI-powered tools β plus a collaborative project guided by an experienced mentor!
You'll learn:
π Design efficient prompts for LLMs
π Build RAG pipelines and LLM-based agents
π Prototype complex AI pipelines with LangChain and LangGraph
π Evaluate, optimize, and deploy agentic applications
Registration: The course is open for both university students and external participants, including working professionals. It is 100% free, but the number of seats is limited. To apply, please register by March 8, 23:59 CET.
Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
This course is developed in collaboration with AI Future Hub, and hosted by the Faculty of Mathematics (MatematiΔki fakultet), University of Belgrade.
Data Sanity is launching the course "Intro to AI Agents" β 8 sessions combining lectures and workshops on AI agent development.
π When: Saturday 11:00 β 13:00, March 21 β May 23
π Where: Belgrade, Faculty of Mathematics, Studentski trg 16
π Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
The course covers LLM and AI agent fundamentals, modern agentic frameworks, and hands-on exercises for building AI-powered tools β plus a collaborative project guided by an experienced mentor!
You'll learn:
π Design efficient prompts for LLMs
π Build RAG pipelines and LLM-based agents
π Prototype complex AI pipelines with LangChain and LangGraph
π Evaluate, optimize, and deploy agentic applications
Registration: The course is open for both university students and external participants, including working professionals. It is 100% free, but the number of seats is limited. To apply, please register by March 8, 23:59 CET.
Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
This course is developed in collaboration with AI Future Hub, and hosted by the Faculty of Mathematics (MatematiΔki fakultet), University of Belgrade.
π₯13β‘2π2β€1
We've already received 40+ submissions β we're very excited that this initiative has attracted attention in the community!
A few common questions we've received:
Q. Why is this course free?
A. The Faculty of Mathematics is generously hosting us at no cost, and we wanted to pass that on β so there's no fee for participants.
Q. Is this course only for students?
A. No, it's open to both students and professionals. We believe that mixing people with different background is beneficial for everyone.
Q. Will the sessions be recorded?
A. Yes, although it's mainly for participants who missed a session to be able to catch up. It's best to attend in person.
If you're interested β register by March 8! Registering early helps us plan and may mean faster approval.
Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
Registration form: https://forms.gle/gTZD3ZsQXrAvKjDr7
A few common questions we've received:
Q. Why is this course free?
A. The Faculty of Mathematics is generously hosting us at no cost, and we wanted to pass that on β so there's no fee for participants.
Q. Is this course only for students?
A. No, it's open to both students and professionals. We believe that mixing people with different background is beneficial for everyone.
Q. Will the sessions be recorded?
A. Yes, although it's mainly for participants who missed a session to be able to catch up. It's best to attend in person.
If you're interested β register by March 8! Registering early helps us plan and may mean faster approval.
Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
Registration form: https://forms.gle/gTZD3ZsQXrAvKjDr7
datasanity.dev
Data Sanity Intro to AI Agents Belgrade 2026-03-21
The course "Intro to AI Agents" is a series of lectures and hands-on workshops on modern AI agent development.
β€16π₯3π2
Intro to AI Agents: Meet the Lecturers!
Yaroslav and Nikita have combined their knowledge to bring modern and practical insights on how to build AI agents.
π Yaroslav Kopotilov | Data Science Consultant @ Toptal
Yaroslav is a senior data scientist and co-founder of Data Sanity. He has extensive experience in building and deploying end-to-end AI systems in production, including LLM and agentic applications.
π Nikita Severin, Ph.D. | Chief Data Scientist @ Oqu AI
Nikita is an AI researcher and engineer specializing in LLM-based applications. He co-created an introductory LLM course within the AI Future Hub Masterβs program.
Submit your application by March 8 to join the course! We will start reviewing the 70 early submissions this weekend β confirmations will be sent by email.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Registration: https://forms.gle/gTZD3ZsQXrAvKjDr7
Yaroslav and Nikita have combined their knowledge to bring modern and practical insights on how to build AI agents.
π Yaroslav Kopotilov | Data Science Consultant @ Toptal
Yaroslav is a senior data scientist and co-founder of Data Sanity. He has extensive experience in building and deploying end-to-end AI systems in production, including LLM and agentic applications.
π Nikita Severin, Ph.D. | Chief Data Scientist @ Oqu AI
Nikita is an AI researcher and engineer specializing in LLM-based applications. He co-created an introductory LLM course within the AI Future Hub Masterβs program.
Submit your application by March 8 to join the course! We will start reviewing the 70 early submissions this weekend β confirmations will be sent by email.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Registration: https://forms.gle/gTZD3ZsQXrAvKjDr7
β€12π₯5
Intro to AI Agents: Meet our mentors!
Our mentors will serve as your coaches, guiding you through your collaborative take-home project to build, evaluate, and deploy an agentic system.
π Aleksandar AnΔelkoviΔ | Principal Engineering Manager @ Microsoft
Aleksandr is a software engineer and leader focused on building strong teams and turning complex challenges into clear, impactful results.
π Dmitriy Vasyuk | Senior Software Engineer & Technical Lead @ Microsoft
Dmitriy is a technical leader with 10+ years of experience, mentoring engineers, fostering strong team culture, and delivering business-driven technical solutions.
π Chiara Stramaccioni | Senior Data Scientist, Co-founder and CTO @ Karimi
Chiara is an AI entrepreneur and co-founder of Karimi, an AI-powered career platform, building human-centered tools that combine NLP and embeddings to make hiring and career growth smarter.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. We're continuing to review submissions. If you havenβt received a confirmation yet β no need to worry! But check your spam folder just in case.
Our mentors will serve as your coaches, guiding you through your collaborative take-home project to build, evaluate, and deploy an agentic system.
π Aleksandar AnΔelkoviΔ | Principal Engineering Manager @ Microsoft
Aleksandr is a software engineer and leader focused on building strong teams and turning complex challenges into clear, impactful results.
π Dmitriy Vasyuk | Senior Software Engineer & Technical Lead @ Microsoft
Dmitriy is a technical leader with 10+ years of experience, mentoring engineers, fostering strong team culture, and delivering business-driven technical solutions.
π Chiara Stramaccioni | Senior Data Scientist, Co-founder and CTO @ Karimi
Chiara is an AI entrepreneur and co-founder of Karimi, an AI-powered career platform, building human-centered tools that combine NLP and embeddings to make hiring and career growth smarter.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. We're continuing to review submissions. If you havenβt received a confirmation yet β no need to worry! But check your spam folder just in case.
β€8π₯2
Intro to AI Agents: Meet our mentors!
Let's continue our mentor introductions:
π Predrag RadenkoviΔ | CTO @ Codeplain
Predrag is a CTO leading the development of an AI-powered spec-driven platform, focused on helping teams replace unreliable code generation with structured, scalable engineering practices.
π Anastasiya Izyumova | NLP Engineer @ X5 Tech
Anastasiya is an ML engineer with 6 years of experience in CV and NLP/LLM, building and deploying end-to-end ML solutions from data collection to production systems.
π Alexander Svetkin | Principal Software Engineer @ Microsoft Azure
Alexander is an engineering leader specializing in scalable distributed systems, ex-Yandex Program Manager and VK Tech Lead. He is actively applying and benchmarking LLMs in real engineering workflows.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. We're continuing to review submissions. Fun fact: Two people put βYesβ in the email field. While we admire the positivity, we unfortunately wonβt be able to contact you! We also received one submission condemning AI in general. Weβd love to hear the specific reasons, but unfortunately, there was no email attached to that one either.
Let's continue our mentor introductions:
π Predrag RadenkoviΔ | CTO @ Codeplain
Predrag is a CTO leading the development of an AI-powered spec-driven platform, focused on helping teams replace unreliable code generation with structured, scalable engineering practices.
π Anastasiya Izyumova | NLP Engineer @ X5 Tech
Anastasiya is an ML engineer with 6 years of experience in CV and NLP/LLM, building and deploying end-to-end ML solutions from data collection to production systems.
π Alexander Svetkin | Principal Software Engineer @ Microsoft Azure
Alexander is an engineering leader specializing in scalable distributed systems, ex-Yandex Program Manager and VK Tech Lead. He is actively applying and benchmarking LLMs in real engineering workflows.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. We're continuing to review submissions. Fun fact: Two people put βYesβ in the email field. While we admire the positivity, we unfortunately wonβt be able to contact you! We also received one submission condemning AI in general. Weβd love to hear the specific reasons, but unfortunately, there was no email attached to that one either.
β€5π₯2π2
Intro to AI Agents: Meet our mentors!
Wrapping up our mentor introductions β an expert team guiding this course.
π Marat Saidov | Senior Software Engineer @ Microsoft
Marat is a well-rounded Machine Learning Engineer (ex-Yandex) focused on building impactful ML-driven products, with expertise in ML platforms, infrastructure, and NLP and speech technologies.
π Nick Knizev | CTO @ Wizium.ai, Principal ML Engineer @ Sage
Nick is an ex-Meta Senior ML Engineer, PhD in Mathematical Modeling, with 7+ years of experience building and leading large-scale production ML systems and focused on AI agent orchestration.
π Aleksandr Dzhumurat | Senior Data Scientist @ InDrive
Aleksandr is an AI generalist and Senior Data Scientist (inDrive, ex-Sweed), building multi-agent AI systems and ML solutions, leading data teams and delivering measurable marketplace impact in production environments.
Donβt miss the chance to learn directly from professionals shaping modern AI systems! More mentors will be announced later in March.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. Quick stats: 100+ submissions and less than 3 days left until the submission deadline (March 8, 23:59 CET).
Wrapping up our mentor introductions β an expert team guiding this course.
π Marat Saidov | Senior Software Engineer @ Microsoft
Marat is a well-rounded Machine Learning Engineer (ex-Yandex) focused on building impactful ML-driven products, with expertise in ML platforms, infrastructure, and NLP and speech technologies.
π Nick Knizev | CTO @ Wizium.ai, Principal ML Engineer @ Sage
Nick is an ex-Meta Senior ML Engineer, PhD in Mathematical Modeling, with 7+ years of experience building and leading large-scale production ML systems and focused on AI agent orchestration.
π Aleksandr Dzhumurat | Senior Data Scientist @ InDrive
Aleksandr is an AI generalist and Senior Data Scientist (inDrive, ex-Sweed), building multi-agent AI systems and ML solutions, leading data teams and delivering measurable marketplace impact in production environments.
Donβt miss the chance to learn directly from professionals shaping modern AI systems! More mentors will be announced later in March.
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Register by March 8: https://forms.gle/gTZD3ZsQXrAvKjDr7
P.S. Quick stats: 100+ submissions and less than 3 days left until the submission deadline (March 8, 23:59 CET).
β€4π₯2π1
Intro to AI Agents: Last Call
The deadline for submissions is March 8, 23:59 CET.
Why come? Over 8 sessions, you will:
π Design effective prompts for LLMs
π Build RAG pipelines and LLM-based agents
π Learn LangChain and LangGraph
π Evaluate, optimize, and deploy agentic applications
The course combines theory, hands-on workshops, and a collaborative take-home project β covering everything from LLM fundamentals and prompt engineering to testing, observability, system design, and deployment.
π When: Saturday 11:00 - 13:00, March 21 - May 23
π Where: Belgrade, Faculty of Mathematics, Studentski trg 16
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Registration: https://forms.gle/gTZD3ZsQXrAvKjDr7
The deadline for submissions is March 8, 23:59 CET.
Why come? Over 8 sessions, you will:
π Design effective prompts for LLMs
π Build RAG pipelines and LLM-based agents
π Learn LangChain and LangGraph
π Evaluate, optimize, and deploy agentic applications
The course combines theory, hands-on workshops, and a collaborative take-home project β covering everything from LLM fundamentals and prompt engineering to testing, observability, system design, and deployment.
π When: Saturday 11:00 - 13:00, March 21 - May 23
π Where: Belgrade, Faculty of Mathematics, Studentski trg 16
π Details: https://datasanity.dev/intro-to-ai-agents-belgrade-2026.html
βοΈ Registration: https://forms.gle/gTZD3ZsQXrAvKjDr7
β€7π₯2
We've sent emails to all selected participants for the course "Intro to AI Agents".
Thank you all for the incredible interest! We received over 200 submissions. We increased the number of seats from 50 to 100 β unfortunately, that's still not enough to accommodate everyone.
If you received our email:
βοΈ Please confirm your participation, or let us know if your plans have changed
βοΈ We'll send additional details before the first session on March 21
If you did NOT receive our email:
βοΈ Please check your spam folder
βοΈ If it's not there β unfortunately, you didn't get a spot this time
We're excited to kick things off β see you on March 21 at 11:00!
Thank you all for the incredible interest! We received over 200 submissions. We increased the number of seats from 50 to 100 β unfortunately, that's still not enough to accommodate everyone.
If you received our email:
βοΈ Please confirm your participation, or let us know if your plans have changed
βοΈ We'll send additional details before the first session on March 21
If you did NOT receive our email:
βοΈ Please check your spam folder
βοΈ If it's not there β unfortunately, you didn't get a spot this time
We're excited to kick things off β see you on March 21 at 11:00!
π₯10π5β€2π’1