Denis Ukrainskiy Email & Phone Number

I have started my career as a database developer in a company that supplies a loyalty program for the largest retailers in my countryWhile working in the the company I have upgraded my qualifications from junior specialist to middle. I have participated in the team development of a loyalty program software with complex filtering of marketing promotions and complex discounts calculation based on stored procedures.I am developing new functionality for calculation of discounts by stored procedures and optimizing the existing one.I have performed data migrations for a couple new company customers from their old systems to the Manzano Group loyalty program.

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  Database Developer

  Manzanica | Manzana Group

  May 2019 - Present

  • ETL, SSIS, OLTP ETL:• Migrations data (hundreds of millions records with multiple levels of relation) by SSIS packages from other system• I have performed data migrations for a couple new company customers from their old systems to the Manzana Group loyalty program. OLTP high-load system:• Functional development on the RDBMS core MS SQL: stored procedure ,functions ,triggers• Query optimization: execution plan, hints, indexes, changing the query… Show more • ETL, SSIS, OLTP ETL:• Migrations data (hundreds of millions records with multiple levels of relation) by SSIS packages from other system• I have performed data migrations for a couple new company customers from their old systems to the Manzana Group loyalty program. OLTP high-load system:• Functional development on the RDBMS core MS SQL: stored procedure ,functions ,triggers• Query optimization: execution plan, hints, indexes, changing the query code• I have developed a database interaction module for loyalty data within mobile applications, which includes generating responses to application queries, inserting new data, and updating existing records.• I have enhanced and optimized a significant portion of the functionality for calculating and providing discounts through the core database system in response to requests from the cash register.• I have developed several monitoring systems that use stored procedures to send email notifications about the current status of specific data segments. TEAM DEVELOPMENT:• Development of a single project with several specialists• Working with a db project with Visual Studio• Working with a version control system (git) Show less

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  Don State Technical University

  Microprocessor Technology Service