Roman Vyrvikhvist

- creating of the universal semantic layer; - AB Initio graph development; - data analysis; - designing of documentation for etl-developers; - source-to-target logic development; - developing of etl-workflows; - working with AB Initio, Hadoop, HDFS, Apache Hive;

- development of the integration architecture for interaction between the company's software and the customer's software environment - development of modules for generating reports FATCA and CRS (Talend Open Studio); - development of the java application on Talend (workflow for generating JSON files from csv/excel-files and loading into Kafka); - development of data storage structures (RDBMS); - development of the data workflow for data migration and integration (TOS, Knime, Pentaho, NiFi)

Project "The development of a credit pipeline" for a large russian bank: - designing of the logical data model; - analysis of data sources (internal and external services, DWH data tables); - development of specifications for the retail credit pipeline service;

- development of the integration services; - development of the data warehouse structure based on the MongoDB development of the data warehouse integration module with external information systems (PentahoBI); - development of analytical reports (BIRT, Pentaho Data Integration); - development of integration modules (ETL) using Talend Open Studio Big Data and Talend Open Studio Enterprise Service Bus;

- participation in migration projects for the biggest Russian bank as a system analyst; - using of ETL technologies and systems of the Business Intelligence class to solve project tasks; - development of automated reports and systems for automatic reconciliation of data;