I worked as an ETL developer on a Tinkoff Bank project, developed ETL processes using tools such as SAS DIS, SAS EG. I used SASBase + PostgreSQL, I have experience writing shell scripts and python code. I worked with Hadoop, Apache Hive and Big Data. I wrote the code on Scala. The main database for working with data was GreenPlum Db. I also worked with Oracle and MSSQL. I have experience in developing a web application using JAVA EE (Servlet + jsp), mobile applications in JAVA and experience in developing network applications in C #. I worked for EPAM Systems Corporation .My responsibilities is to: 1) data collection from various sources - Source DB (Oracle,Postgres) - different api (Beamery api,GoogleAnalytics api and other) - flat files (exel,csv,json) 2) preparation, pre-processing of data before loading into the DWH (the storage is built in MS SQL server) 3) creation and configuration of loading processes in the DWH (using SSIS packages and services, python-scripts, PowerShell-scripts and Self-written .Net Application) 4) the creation of procedures, functions and scripts for data transformation for their preparation for reports (in MS SQL Management Studio) 5) development, support of storage performance 6) optimization of existing processes and procedures When I worked in Intetics I did the following I worked with SSIS packages and T-SQL. (I use C # + sql languages) The main database is MSSQL. I wrote and optimized views, stored procedures, and functions. I was engaged in the construction and support of storage. At the moment I work in RPS. My responsibilities is to: 1) optimization of existing processes and procedures 2) Creating new pipelines and drivers (python+airflow+spark+AWS) 3) Creating unit-tests for our data-drivers(scala) 4) Creating a new data-notebooks(spark) 5) Technical support storage 6) Migrate the entire system to a new software release 7) Mentoring