Dipl.-Ing. Vyacheslav Shablisty

As Data Engineer I act hand in hand with data scientists, big data architects and data consumers across CEE to plan and execute data integration. Our team is in charge for data definition and the mapping from raw data to final data products running on the data warehouse and data lake eco-system. Additionally, in the revolution of classic ETL we are a part of rapid prototyping, visualization and BI projects for big data consumers.

• Consistently write, translate and code programs and applications according to specifications. • Run and monitor Unit and performance tests. • Assist in the development and maintenance of user manuals and guidelines. • Manage and/or provide guidance to junior software developers. • Assist other developers, analysts, and designers in developing new software. • Participate in all phases of the software development life cycle (SDLC). • Recommend, schedule, and perform upgrades in the software product.

• Designed complex ETL transformations, mapplets, mappings and workflows; • Evaluated business requirements to come up with Informatica mapping design and standards; • Worked with peers from various functional areas to define IT wide processes like code reviews, unit test documentation and knowledge sharing sessions; • Collaborated with business analysts and data analysts; • Hive and Spark programming for data processing in Hadoop; Environment: Oracle 11g, Informatica PC, ODI, Hadoop;

• Developed ETL and BI modules using Oracle database technologies, Informatica PC and Cognos BI based on Ralph Kimball and Bill Inmon approaches to DWH design. • Designed and implemented OLAP-cubes and reports. • Carried out unit-tests and integration-test. • Produced and updated relevant documentation. • Responsible for database design and development according to safety and security policy. • Had personal meetings and negotiations with customers to clarify specific requirements.

• Developed DWH and ETL modules using Oracle database technologies, Vertica database and Hadoop. • Designed and implemented data-marts and dataflows. • Carried out unit-tests and integration-test. • Produced and updated relevant documentation. • Responsible for database design and development according to safety and security policy. • Had personal meetings and negotiations with customers to clarify specific requirements. Environment: RDBMS Oracle 11g, HP Vertica, Hadoop.

- Produced technical specifications based on business requirements documents; - Ensured that all the key technical requirements were identified, estimated, designed, documented, implemented and tested; - Built high quality solutions using expertise in data modelling, PL/SQL and BI tools in accordance with company's development standards; - Unit test of the code prior to release; - Created reports, dashboards, customised queries and OLAP-cubes; Environment: RDBMS Oracle 10g, Cognos BI.