Changed company as part of an acquisition.

• Worked with a team to implement an entire data warehouse solution, including ODS, job scheduler and Fact and Dimension tables and ETL processes. Managed the working process of an off-shore team.• Implemented SSAS Cube for reporting in the area of online advertisement, improving the performance by 160 %.• Designed, implemented and deployed interactive SSRS reports with drill-down capabilities.• Performed production support related to T-SQL stored procedures.

• Implemented data models for OLTP and data warehouse. • Designed and implemented SSIS packages for importing over million data rows.• Took part in SSAS and SSRS implementations.• Optimized stored procedures, analyzed and debugged complex SQL queries.• Performed DBA work including backup and recovery, index tuning.• Authored information dashboard and reports for nightly load. Initiated schedule alerts.• Red Point Award Nominee for category “FAST”.

Supported ETL projects

Design and implementation of data integration projects.

Implemented web portal for online reporting in the area of agriculture and human resource management.

Research associate in Intelligent Systems in the department of “Software Technologies”– performing research activities in projects:• Worked on the project SISTER, funded by the European commission, 7th Framework program.• Participated in scientific project Smart book, funded by Ministry of Education and Science of Bulgaria. • Prepared, executed and analyzed experiments related to clustering algorithms.• Dynamic Ontologies, in multi-agent information and management systems, developed by Bulgarian Academy of Science and UCTM, funded by Ministry of Education and Science of Bulgaria.

Taught seminar class in theory of database systems, led laboratory classes in SQL, Programming systems, Cryptography.

Implemented automated execution of queries in a conference management tool.

Researched enabling keyword search in relational databases.