During my time at Booking.com I was fortunate enough to participate in many projects and to fulfill different roles, among which:- Managing a group that launched a new marketplace for attractions and growing it from 0 transactions to thousands of daily transactions in dozens of different cities. This group was set up as a startup within booking.com. - Leading a team that built a platform to accelerate machine learning use cases.- As a core developer I was optimizing the booking funnel while facing big scale problems.

buzzdoes is an automated viral distribution tool that encourages users to recommend mobile apps and web services utilizing rewards and social networking.I was the lead developer for the server side (.Net), web front-end and part of the android team.

Daps'em is an online / mobile platform that enables users to reward their friends for real life actions while building their personal reputation.The system runs on the Google cloud and provides REST services for a mobile app and for a web client. The web client is implemented using GWT. As a social application, the system interacts intensively with Facebook.I was responsible for designing the system architecture and for implementing the server and the web sides.

I implemented and self-managed few projects in the behavioral targeting advertisement area. These projects included intensive interactions with other groups including groups from offshore locations (mostly Redmond and Beijing). During this time I was awarded twice with the Microsoft Goldstar award, Microsoft Entrepreneurship award and Community Affairs award.

The system is an enterprise system that uses J2EE technology at the backend, .Net Windows Forms at the frontend and Oracle at the DB side. The communication between the frontend and backend is done using SOAP.As one of the first developers in Yadata, I designed and implemented many parts of the system, including the system infrastructure, the front-end and the system algorithmic flow.

Responsible for analysis of user requirements, design of the system in OOD methodology and for the implementation of central algorithms.