ViennaJS May 2019

Bring your Minitalks! Everybody is welcome & feel free to share this invitation!


Wednesday, 29th May 2019 at 7pm


Pater-Schwartz-Gasse 11A
1150 Vienna
Via Public Transportation: U6 Gumpendorfer Strasse


We are currently looking for sponsors to cover free beer and maybe free pizza.
Contact us at


JavaScript Essentials: Memory Management

By Rainer Hahnekamp

As JavaScript developers we don't have to care how our application "gets" memory and releases it. We are in the luxurious position that the engine does that automatically and shields us from all challenges that can occur. For a professional developer, this is not an excuse to ignore this important topic. In my talk, I will cover the very basics of memory management. We will start with the theory in general, watch JavaScript's memory management in action and learn about patterns that can cause the feared memory leaks. We will finish with an overview of the most important component: Garbage Collectors.

Building your first game with

By Tom Peak

Learn the basics about game developmeent - asset management, sprites, physics …
You want to practice speaking in front of others? You want to tell everyone about some cool JavaScript topic? This is your chance, we are still looking for talks! Give a talk!




sweetspots is a young Vienna-based start-up in the travel tech space. We are the first mobile app to provide TAILORED and TRENDING RECOMMENDATIONS! Our aim is to change the way people discover and engage with great spots (think restaurants, bars, cafés and shops).
We are looking for a FULL-STACK DEVELOPER with backend focus, potentially joining as late co-founder. You should be familiar with server development, software deployment, working with large databases, and building APIs. Further, basic knowledge of React Native and Firebase is a plus.
Curious? Write us at for more information and feel free to check out


Within just a few years, has grown from a start-up, to the leading online comparison platform in Austria. The platform provides consumers with insurance, energy/gas, finances, and telecommunication price comparisons, based on their individual needs, along with the option to simply switch provides online. is on a constant growth path and we are looking for new talent. Are you ready for a new challenge in a fun and lively team? Contact us via: | | 


Our Tech Stack: javascript / node.js / python / redis / reactjs / graphql / amazon web services / google cloud platform / microservices / ecmascript

We are currently looking for sponsors to cover free beer and free pizza.
Contact Flora at