J. Daniel Zullo Email & Phone Number

Berlin, Germany

Berlin, Germany

• Development of a high performance, distributed real-time bidding platform, mainly involved with the recommendation engine and ad serving including (but not limited to):
• Development of new user and product recommendation profiles and improvement of the existent ones leading to 18%CTR increase.
• Reduce memory consumption and infrastructure costs by implementing probabilistic algorithms including bloomfiltering and count-min sketch and optimizing and aligning data structures.
• Maintenance of an internal reporting tool for checking advertisers health and products status. This tool turned out to bereally helpful to detect many inconsistencies and problems on the advertisers side.
• Contributions to the A/B testing framework and development of an off-line testing framework used by all developers inthe team to assess and select algorithms for A/B testing speeding up the testing cycles.
• Migration of several applications to run on the higher level concurrency library, the new protocol for the in-housedatabase engines, D language version 2 leading to performance improvements up to 32%.

Berlin Area, Germany

Sophia Antipolis - France

- Integration of Posture and Scenario Recognition algorithms. Design and implementation of a novel blob detection algorithm using clustering techniques.- Optimization of a segmentation algorithm achieving real-time processing.- Design and Implementation of a 3D Scenario representation based on contextual information.- Design and development of the SUP.

London, United Kingdom

- Development of Management Trade tools using C# / MS-SQL Server- Maintenance of the existing tools, databases and web sites. VB.Net / VBA / C# / Access / ASP / MS-SQL- SQL queries and Store Procedures optimization.- Financial Analysts Support: Development of tools for statistical reports generation and data analysis.- Windows Servers and databases.

Cordoba, Argentina

CBTSP – HSAP High Speed Access Point- Development of a firmware for a reduce BTS- I was in charge of Laboratory setup (Set up and configuration of BTS), planning of testing integration activities, development of different modules for HSAP firmware in C language for VxWorks platform (real time operating system).- Development, automation and maintenance of.