MongoDB (from humongous) is reinventing data management and powering big data as the leading NoSQL database. Designed for how we build and run applications today, MongoDB empowers organizations to be more agile and scalable. It enables new types of applications, better customer experience, faster time to market and lower costs. MongoDB has a thriving global community with over 4 million downloads, 100,000 online education registrations, 20,000 user group members and 20,000 MongoDB Days attendees. The company has more than 600 customers, including many of the world’s largest organizations. To learn more, please visit


At Microsoft, we’re motivated and inspired every day by how our customers use our software to find creative solutions to business problems, develop breakthrough ideas, and stay connected to what’s most important to them. Between building Internet Explorer, our participation in the node.js community, and building our own products, we’re huge believers in the web and JavaScript, and proud to sponsor JSConf.


InnoGames, based in Hamburg, is one of the leading developers and publishers of online games with more than 100 million registered players around the world. We have been characterized by dynamic growth ever since the company was founded in 2007. In order to further expand our success and to realize new projects, we are constantly looking for young talents, experienced professionals, and creative thinkers.

The JSConf offers InnoGames as a specialist for browser games the option to discuss and exchange ideas and information about the latest technological trends in the JS environment. We would like to share our experiences gained in the development of games as well as learning about new application areas for JavaScript and look forward to a lively interaction with the JavaScript Community.




Adobe is a proud returning sponsor of JSConf EU. We believe in moving the web forward by giving web designers and developers the best tools and services to share their creativity. Adobe’s Edge Tools & Services help you create beautiful mobile-ready content and apps with HTML, CSS, and JavaScript. Focused on specific tasks, Edge Tools & Services work well together, individually, or with other tools to design, animate, code, package, and deliver content and apps. Get started with a free Creative Cloud Membership.


Nodejitsu is a cloud orchestration and infrastructure management company. They offer solutions for both developers and small to medium sized businesses on the public Platform-as-a-Service, For larger businesses and Enterprises, Nodejitsu offers a private npm registry meet the security and availability needs of your organizations Javascript code.


Yammer is a best-in-class Enterprise Social Network that brings together employees, content, conversations, and business data in a single location. Built for the enterprise and loved by users, Yammer empowers employees to be more productive by enabling them to collaborate in real-time across departments, geographies, and business applications. It is a new way of working that fosters team collaboration, empowers employees, promotes organizational connectedness and drives business agility. With its Premium model customers can see the value of Yammer before upgrading to the premium offering which includes additional administrative and security controls, integration with other applications, priority customer support, and customer engagement services. More than 7 million users, including employees from 85 percent of the Fortune 500, have adopted Yammer's Software-as-a-Service solution. Founded in 2008, Yammer is now part of the Microsoft Office Division.


Sauce Labs

Sauce’s cloud-based testing platform allows developers to automatically or interactively test mobile and web applications on more than 150 browsers and platforms including iOS, Android & Mac OS X. With built-in video recording of every test, debugging tools and secure tunneling for local or firewalled testing, Sauce makes running, debugging and scaling test suites easier than ever. Sauce supports automated functional testing with Selenium and Javascript unit testing in all the popular programming languages, frameworks and CI systems. To try it for free, visit


The PayPal Developer program is the face of technology innovation at PayPal. Using open source foundations in their technology stacks, PayPal is constructing new breeds of identity systems, API standards, and payment platforms to support the next generation of disruptive technology.


At Otto we strive for excellence. Becoming the best in eCommerce requires us to become the best in technology and development too.

So why did we decide to become a sponsor of the JSConf, as one of the best JavaScript conferences around? We hope to learn a lot and to get inspiration. If you are in Hamburg, drop by for a coffee and a raspberry pi.


Mozilla has been a pioneer and advocate for the Web for more than a decade. We create and promote open standards that enable innovation and advance the Web as a platform for all. Today, hundreds of millions of people worldwide use Mozilla Firefox to experience the Web on computers, tablets and mobile devices. With Firefox OS and Firefox Marketplace, Mozilla is driving a new mobile ecosystem that is built entirely on open Web standards, freeing mobile providers, developers and end users from the limitations and restrictions imposed by proprietary platforms.


JetBrains is a creator of intelligent development tools that automate routine tasks and help developers effectively solve the challenging ones. WebStorm is one of them and is an environment for JavaScript and frontend development. Smart code completion, support for node.js, ECMAScript Harmony, JavaScript unit testing and notification about code problems on the fly are only some of the reasons to try WebStorm.



Badoo is the largest and fastest growing social network for meeting new people with over 180 million users in 180 countries.

Every day Badoo users upload over 3 million photos and send more than 50 million messages. Our operations are powered by 2,000 server distributed across 2 data centers located in Miami and Prague. The load at peak times exceeds 40,000 requests per second. Every single day we collect several billion data points for our analytics system.

We build native apps for all major mobile operating systems, a web app for iOS and Android smartphones, and a mobile website that supports all mobile devices including those with legacy WAP browsers.

A number of internal projects at Badoo have been open sourced, the best known products are

  • FCGI manager for PHP (php-fpm)
  • Pinba - real-time statistics collection server
  • Blitz - fast templating system

You can find all our projects on Github.

Badoo has two main offices in London and Moscow, employs more than 200 employees and is always looking for great engineers to help us grow further. You can find all our current open roles at our website. We are always keen to hear from talented engineers, if you want to chat, feel free to email us.