Denis Lendenev

Denis Lendenev has a strong background in database development and software development, with experience spanning over 18 years. Denis began their career in 2002 at ATOMINFORM, where they developed Client/Server applications using Delphi, COM, and ActiveX. Denis also worked on database development using MS SQL.

In 2007, Denis joined RK "Svyaztranzit" as a Software Developer, and in 2009, they worked at Irkutsk NIIKhimmash as a Software Developer, handling administration and configuration of 1C software and local network administration.

In 2010, Denis moved to Pharmgarant LLC, working as a Senior Software Developer. Their responsibilities included database development, exchange creation between 1C databases, and writing T-SQL stored procedures for reports. Denis also developed C# applications and windows services in Delphi for automated updating of 1C configurations.

From 2016 to 2017, Denis worked at IC Aptekar as a Database Developer, where they focused on MS SQL Server administration, T-SQL development, and SSIS package development.

In 2017, Denis joined Redsys as a Senior Database Developer, working with Oracle PL/SQL and MS SQL. Denis optimized data warehouses, designed procedures for loading data, and built reports using Congos BI on ETL products Informatica PC and IBM DataStage.

Denis's most recent position was at Hazeltree as a Senior Database Developer, starting in 2018. In this role, they developed complex business logic using MS SQL and improved the performance of critical SQL queries. Denis also designed, developed, and tested highly optimized database objects.

Overall, Denis Lendenev has a strong technical background in database development, SQL optimization, and software development using various programming languages and tools.

Denis Lendenev received their Bachelor of Engineering (BE) degree in Applied Informatics in Economics from Baikal State University. Denis completed their undergraduate education from 2006 to 2010. In addition to their degree, they obtained the MCTS Microsoft® SQL Server™ 2005 certification from Microsoft in June 2010. Denis also holds the EFSET Quick English Check certification with a score of Intermediate / Upper Intermediate (CEFR B1/B2), obtained from EF Education First.