Vasilisa Axel

Worked in number of startups as a CTO. Effectively managed a team of 50 in-house employees and a team of 70 employees in a Europe countries.

More then 5 years of VP R&D experience in successful companies.

Worked many years with proprietary C code, worked with many open source C++ projects, like Jabber, nntp server.

Developed gaming back-end on Java that server hundreds of thousands concurrent players daily. Worked with Java in Android apps.

Created and build mysql based persistance layer for multiple big and small projects.

Worked on multiple freelance and full time projects, developed number of applications and libraries for iOS. Developed map based apps, background tasks apps, apps and services that working with push notifications, applications that working with various back-ends, Google API, Facebook API, etc.
Developed application that were present in 10 top apps in its category.

Developed the library that used by tens of thousands of Android developers. Developed number of apps that solving very edgy requirements in terms of security.

Developed number of applications that deals with millions of requests per day. Developing easily maintainable, easy to scale and easy to expand applications with excellent speed and quality.

Created and maintained a system that contains more then 50 servers mongodb cluster. Used MongoDB as a persistence layer for the back-end of the service supporting hundreds of thousands clients.

Developed number of successful mobile apps: iOS apps, iOS with map/geolocation API apps, Android apps.