Upcoming events.

We're picky about the events that we host because we want to make sure they are worth your time. Our goal is to provide relevant content on business and technology that helps you learn and grow professionally and personally. Sometimes there's free beer, too, but don't get too excited.

Sofia WordPress Meetup: July Edition
July 17, 2018 7:00 PM
Sofia WordPress Meetup: July Edition

The topic of the meetup will be 'the Web Technologies to look out for in 2018', presented by Alexander Dimitrov.

More info
Sofia Crypto Asset Valuation Meetup
July 18, 2018 7:00 PM
Sofia Crypto Asset Valuation Meetup

Maksim and Valentin will introduce the unique Crypto markets landscape, as well as the tools and data relevant to Crypto; and, how to use data for Crypto asset investments.

More info
AngelHack Sofia Hackathon 2018
July 21, 2018 9:00 AM
AngelHack Sofia Hackathon 2018

Every year, AngelHack adventures across the globe for our yearly Global Hackathon Series. This year’s theme? Seamless Technology for GovTech, Cybersecurity and Big data.

More info
A Journey With Form Handling in React
July 24, 2018 7:30 PM
A Journey With Form Handling in React

The software developer with over 5 years of experience - Chris Panayotova - will tell us more about managing and working with forms.

More info
Dozens of IT people attend a presentation hosted in Puzl CowOrKing.
Developers and designers attend a skill sharing IT event at the event space in Puzl CowOrKing.

Need an event space?

Our event space stands out with a playful industrial design and a cozy feel which will help you engage even the toughest crowd of stone-faced IT humans. It is fully equipped with a Full HD multimedia system, AC, ventilation, and catering options, perfect for public and closed-group events for up to 60 guests.

Whether you organize a product launch, a workshop or a dev meetup, we've got ya' covered.

Host an event

Need an event space?

Whether you organize a product launch, a workshop or a dev meetup, we've got you covered. Our event space stands out with a playful industrial design and a cozy feel which will help you engage even the toughest crowd.

You don't have to be a Puzl CowOrKing member to organize an event with us. Our venue is fully equipped to host public or closed-group events for up to 60 guests. We offer the option for catering and support with promotion.

Host an event

Past events.

Discover Peer-to-Peer investment
July 12, 2018 7:00 PM
Discover the Peer-to-Peer investment

Andrey from Klear will explore the benefits of the peer-to-peer investment as well as will discuss how to avoid the risks and deal with the challenges.

NLP #DataMeetUp with Dr. Preslav Nakov and Vesela Gateva
July 10, 2018 7:00 PM
NLP #DataMeetUp with Dr. Preslav Nakov and Vesela Gateva

Join Data Science Society for their July meetup where Preslav Nakov and Vesela Gateva will discuss NLP, how to automatically distinguish fake news and many more.

EnABLE: Effective online presence with Google Digital Garage
July 3, 2018 7:00 PM
EnABLE: Effective online presence with Google Digital Garage

Specially trained by Google consultants who are part of the Digital Garage project will discuss the opportunities of the digital world and how to better use online growth tools.

React in adidas world
June 27, 2018 7:00 PM
React in adidas world

The Software Developer II at Isobar - Valentin Georgiev - will tell us how Isobar Commerce uses React in project for adidas

Growing Up Right - Lessons by Petyo Ivanov
June 26, 2018 6:00 PM
Growing Up Right - Lessons Learned by Petyo Ivanov

Petyo Ivanov, Lead UI Developer at ag-Grid, will be joining us to explore the mistakes, obstacles and the right ways of growing successfully in his knowledge sharing event.

ruby-banitsa-meetup
June 22, 2018 7:00 PM
Ruby Banitsa: Friday, 22nd of June

Our friend Vipul Amler from Big Binary is the special guest of the next Ruby Banitsa. Also, Rado Stankov will tell us how ProductHunt uses KittyPolicy to deal with authorizations.

PoW vs PoS, (r)evolution of blockchain
June 21, 2018 7:30 PM
PoW vs PoS, (r)evolution of blockchain

During this event Vladimir Tasev will explore the main differences between PoW and PoS, and what’s trustless and distributed consensus.

Democratizing investment through FinTech
June 20, 2018 7:00 PM
Democratizing investment through FinTech

We’d like to invite you to a chat about the future of investment and how asset tokenization is expanding our opportunities through blockchain technology!

sofia-wordpress-meetup-june
June 19, 2018 7:00 PM
Sofia WordPress Meetup: June Edition

The topic of the next WordPress meetup is 10 Ways to Get Banned by Google. Our guest speaker is Nicky Krastev, SEO expert, marketer and certified Google AdWords specialist.

Data Science and Finance by J.Scott
June 14, 2018 7:00 PM
Data Science and Finance by J.Scott

Jeffrey Scott, Deputy General Manager of WorldQuant arrives in Sofia for an exclusive data science lecture! A solution to a real data #cryptocurrency case will als be presented.

Ethereum Developers Meetup #04
June 12, 2018 7:00 PM
Ethereum Developers Meetup #04

Whether you are a developer, a neophyte with a passion for learning how to code in Solidity, or somewhere in between, come and be a part of the first Ethereum Developer community.

Blockchain: Decentralized Autonomous Organizations
May 31, 2018 7:30 PM
Blockchain: Decentralized Autonomous Organizations

During this event Todor Kolev from Obecto will talk about what are Decentralized Autonomous Organizations and what problems do they solve. There'll also be a Q&A part.

Patterns and Practices in GraphQL
May 29, 2018 7:30 PM
Patterns and Practices in GraphQL

Stefan Dobrev will explore the best practices related to modeling your business domain with GraphQL. We'll look at community patterns for working with GraphQL powered backends.

Female Leaders Month: Small Branding. Big Results.
May 28, 2018 7:00 PM
Female Leaders Month: Small Branding. Big Results.

This May, the month of female leaders, Startup Grind Sofia is proud to welcome Vassilena Valchanova, who will give you a blueprint for your branding strategy.

Elixir Sofia Meetup: ETS (Erlang Term Storage)
May 23, 2018 7:00 PM
Elixir Sofia Meetup: ETS (Erlang Term Storage)

Erlang Term Storage, commonly referred to as ETS, is a powerful storage engine built in OTP and available in Elixir. We'll learn more about it from our speaker Nickolay Tzvetinov.

The Boom of Mobile Banks in Europe
May 22, 2018 7:00 PM
The Boom of Mobile Banks in Europe

Let’s chat about the future of fintech, the mobile banks boom in Europe, PSD2 (Payment services directive) and the changing landscape of financial service providers.

Ruby Banitsa: Thursday, 17th of May
May 17, 2018 7:00 PM
Ruby Banitsa: Thursday, 17th of May

Another week, another banitsa. This time with Stefan Kanev, who will walk us through the code of a secret project of his. 👌

May Meetup of the WordPress Sofia User Group
May 15, 2018 7:00 PM
May Meetup of the WordPress Sofia User Group

The topic of this month's meetup is Automatic Website Optimization with PhastPress and it will be presented by Albert Peschar.

Decentralisation vs Centralisation: A Discussion
May 14, 2018 7:00 PM
Decentralisation vs Centralisation: A Discussion

Many today would argue that the world needs decentralisation, that it will make everything better, more transaprent, secure etc. but is that true? Join us to discuss and find out.

EnABLE: Digital Nomads and Extraordinary Ways to Travel
May 10, 2018 7:00 PM
EnABLE: Digital Nomads and Extraordinary Ways to Travel

What is a digital nomad? What do I do to become one? Enable.DARE to SHARE will try to answer those questions together with Rositsa Uzunska. Join us for a presentation and a Q&A.

Ruby Banitsa: May Edition
May 9, 2018 7:00 PM
Ruby Banitsa: May Edition

May-day, may-day! Come and listen to Gabriela Luhova, who will talk to us about JSON APIs! As always, the munchies are on us!

Sofia Game Dev: Finally the spring is here!
May 3, 2018 7:00 PM
Sofia Game Dev: Finally the spring is here!

Radoslav Rachev from Ubisoft will talk about „Shadows of the Pharaohs Development in AC: Origins" and Victoria Victorova will tell us about "Turning Game Influencers into Allies".

April Meetup of the WordPress Sofia User Group
April 27, 2018 7:00 PM
April Meetup of the WordPress Sofia User Group

This meetup will be in the form of a discussion. The topic is "The extensions on which we depend - multilingual, forms, backup copies and security".

Blockchain cryptography for devs
April 26, 2018 7:15 PM
Blockchain cryptography for devs

Svetlin Nakov will talk about the impotance of cryptography in blockchain and how it provides immutability of the processed transactions and authentication of the sender.

Building Successful Companies in Eastern Europe
April 25, 2018 7:00 PM
Building Successful Companies in Eastern Europe

As part of the upcoming Eastern Europe Tech Tour to be held in Sofia and Warsaw on 11-13 of June – Tech Tour is organizing this evening talk.

Pros and cons of using Scala to build backend infrastructure
April 17, 2018 6:30 PM
Pros and cons of using Scala to build backend infrastructure

Organized by the Hopper team, this meetup is for everyone interested in backend technologies. They'll focus on using Scala to build backend infrastructure.

Get proof of ownership on blockchain with ReCheck
April 13, 2018 5:00 PM
Get proof of ownership on blockchain with ReCheck

The ReCheck team will demonstrate how you can execute transactions and run smart contracts on a live blockchain - just by tapping buttons on your mobile device.

Product Management Practices in the USA
April 11, 2018 7:30 PM
Product Management Practices in the USA

Alex Marinov, who has over 15 years in product and project management roles, will share his experience in doing product management in the USA.

Discover Peer-to-Peer investing with Klear
April 4, 2018 7:00 PM
Discover Peer-to-Peer investing with Klear

Learn more about how Peer-to-Peer investing works and what its specifics are and how to manage risk. A demo of the Klear platform will also be shown.

Price and promotion optimization for FCMG - Team BOTS
April 3, 2018 7:00 PM
Price and promotion optimization for FCMG - Team BOTS

A LIVE meetup where team BOTS (one of the finalists of #Datathon2018) will present to us how they solved the SAP data case.

State Management for Enterprise Angular Apps with ngrx/platform
March 29, 2018 7:00 PM
State Management for Enterprise Angular Apps with ngrx/platform

Our next speaker will be Ilia Idakiev and the topic of his talk will be "Predictable Reactive State Management for Enterprise Apps using NGRX/platform"

Kubernetes QA environments
March 28, 2018 7:00 PM
Kubernetes QA environments

We're going to share why and how we dynamically provision new environments for testing new features with Kubernetes and Jenkins.

React Animated Visualizations With D3
March 27, 2018 7:30 PM
React Animated Visualizations With D3

Finn Fitzsimons would tell us about easily building animated visualizations with React & D3 for the web and React Native. There will update on the status of React.NotAConf.

Lecture: My rights as a user in the digital world
March 26, 2018 6:00 PM
Lecture: My rights as a user in the digital world

This year's topic of the World Consumer Rights Day is #BetterDigitalWorld and focuses on our rights as users when shopping online. Join Nikola Penchev's lecture on the topic.

Networking event: Timify at Puzl Coworking
March 23, 2018 6:00 PM
Networking event: Timify at Puzl Coworking

Organized together with Timify this is a networking event for developers and startup people. Come and learn why Timify uses ReactJS and how you can develop a product abroad.

Blockchain User Group: Advanced Solidity
March 22, 2018 7:15 PM
Blockchain User Group: Advanced Solidity

We'll be taking a look at Upgradable Smart Contracts and why we need Off-chain Data Storage. We'll also explore what are IPFS & IPNS and how to work with them.

Game Development Summit: Indie Pitch
March 17, 2018 12:00 PM
Game Development Summit: Indie Pitch

Game Dev Summit is organizing a competition for all Bulgarian indie game devs. You can apply to participate or just come over for the Master Class for presenting games.

First Ethereum Developers Meetup
March 15, 2018 7:00 PM
First Ethereum Developers Meetup

Whether you are a dev, a neophyte with a passion for learning how to code in Solidity, or somewhere in between, come and be a part of the first Ethereum Dev community.

Ruby Banitsa: Active Storage, the framework for file uploads
March 13, 2018 7:00 PM
Ruby Banitsa: Active Storage, the framework for file uploads

We're back on track with a lecture about the new Rails-included framework for file uploads called Active Storage. Bring your logos and your good vibes! Banitsa is on us.

Show Your Shit Friday: March 2018
March 2, 2018 7:30 PM
Show Your Shit Friday: March 2018

SYSF is a monthly event where people from the gaming industry present their projects. This time Stefan Doychev from Hack and Paint will present their SunWalker VR project.

Sofia Game Dev Meetup: The Unreal Edition
February 27, 2018 7:00 PM
Sofia Game Dev Meetup: The Unreal Edition

We are starting the year with an event wе've been looking to host for a long time - a meetup dedicated to the Unreal Engine 4 with Sjoerd De Jong and Nikola Dimitroff as speakers.

How can our brand attract new clients?
February 26, 2018 7:15 PM
How can our brand attract new clients?

A practical Coaching Workshop during which you'll learn the most important steps for building a functional and client attracting brand.

Oracles: A blockchain-based definition
February 22, 2018 7:15 PM
Oracles: A blockchain-based definition

The goal of this presentation is to establish a baseline knowledge about oracles. We'll explore the theoretical foundations and interpretations of the original concept.

Building a React Progressive Web App
February 20, 2018 7:30 PM
Building a React Progressive Web App

Join us for another React meetup. In this edition Ilia Idakiev will tell us in detail about how we can make progressive web apps with React.

Elixir Sofia Meetup: What's new in Elixir 1.6?
February 19, 2018 7:30 PM
Elixir Sofia Meetup: What's new in Elixir 1.6?

It's time to renew the Elixir Sofia meetup. We'll kick off 2018 with a talk about new features in Elixir 1.6 by Ventsislav Nikolov. Afterwards, expect socializing and free beers.

DIY Party: Wanna... Funk? (Valentine's Day Edition)
February 14, 2018 6:00 PM
DIY Party: Wanna... Funk? (Valentine's Day Edition)

This year, we've decided to add some FUNK to it and celebrate Valentine's Day/Trifon Zarezan with a wild 70s/80s party on the 4th floor.

Discover how to do Peer-to-Peer investments
February 8, 2018 7:00 PM
Discover how to do Peer-to-Peer investments

Discover how Peer-to-Peer investments work, what type of platforms there are, what money you can earn and what you need to know about credit risk.

Sofia Tensorflow & Machine Learning Meetup
February 7, 2018 8:30 PM
Sofia Tensorflow & Machine Learning Meetup

Stop by and hear talks about "Predicting and Trading Stocks Using ML Models", "Convolutional Neural Networks", "Deep Misconcept About Deep Learning", and others.

Show Your Shit Friday: Global Game Jam Edition
February 2, 2018 7:00 PM
Show Your Shit Friday: Global Game Jam Edition

Every person who participated in the Global Game Jam is welcome to come and tell us about their project, the experience of the Jam and the lessons they learnt.

Building non-fungible assets with Ethereum - ЕRС - 721 overview
January 25, 2018 7:15 PM
Building non-fungible assets with Ethereum - ЕRС - 721 overview

What are crypto collectables (non fungible assets)? What are the markets and use cases for non-fungible assets (tokens)? What is ERC721? Come and find out.

Meetup: Datathon 2018: What to Expect?
January 24, 2018 7:00 PM
Meetup: Datathon 2018: What to Expect?

Everything you are interested to know about the third edition of the #Datathon2018 will be discussed at the Meeting + some of the mentors and cases will be announced.

Build a great conversationalist using Azure Bot Service
January 23, 2018 7:15 PM
Build a great conversationalist using Azure Bot Service

It is time for the first meeting for 2018. The session will aim to provide a good introduction to the building blocks of a conversational bot.

Google Talks About How To Master Digital Marketing
January 18, 2018 10:30 AM
Google Talks About How To Master Digital Marketing

Google's Marketing team is visiting Bulgaria for the first time, ready to share all of their advanced insight that companies need to know on how to grow and scale their business.

Introducing React to your non-React team
January 17, 2018 7:30 PM
Introducing React to your non-React team

Rado Georgiev will tell us about how to introduce React to non-react developers. This event is perfect for all experienced React devs to learn how to talk about React.