As a part of team worked on supporting (refactoring and sometimes re-engineering) of several services that were involved in payment, fraud, ticketing and customer support processes. Most of them were back-end, but one was an ASP.NET MVC 4 application which implied front-end development.Tools: C# (both .NET framework and .NET Core) ASP.NET MVC, ASP.NET WebAPI, WCF TFS (as CI), git MS Unit Testing Framework, SOAPUI, jMeter NInject MS SQL, Azure Storage, Azure Cosmos DB

Close work with architects on improvement of processing software. Got to gather and support new software development team. Finished predecessor's work of introducing some of TDD practices and CI to development process.Working hard on repaying technical debt and not introducing it again.Tools: C# (also a bit of Python and Erlang) ASP.NET MVC, ASP.NET WebAPI, WCF, ServiceStack, (Cowboy) Nant, MSBuild, TeamCity NUnit, MS Unit Testing Framework, SOAPUI, jMeter Unity, NInject RabbitMQ, MongoDB

Got to implement and re-implement subsystems like content delivery service for payment terminals,monitoring for financial processing system, changes to meet PCI DSS requirements, API for external services (site and mobile applications).Tools: C# (also a bit of Python and Erlang) ASP.NET MVC, ASP.NET WebAPI, WCF, ServiceStack, (Cowboy) Nant, MSBuild, TeamCity NUnit, MS Unit Testing Framework, SOAPUI, jMeter Unity, NInject RabbitMq, MongoDB

Design of intranet service for automation of research activity.Tools: C#Sharepoint, OpenXML, XMLResults: - workflow implementation for automation of planned and actual expenses- custom solutions for overriding Sharepoint functions- features for custom automated creation of MS Office documents

Developing and tuning databases for corporate system (CRM and elements of ERP).Working on additional features for corporate system.Tools: C#, VB.NET, VBScript, T-SQL, F#WinForms, WPF, NHibernate, XML, ASP.NETResults: - financial report system- scripts for database maintenance- redesign of database- solution for Inventory management

Database design.Designing features for CRM system.Designing tools and services for server and database maintenance.Tools: C#, VB.NET, VBScript, T-SQLWinForms, XML, SSIS, SSASResults: - scripts for access rights managing- custom analytical reports - scripts for database maintenance- scripts for server maintenance- additional features for CRM

Development of automated solutions based on 1c: Enterprise for small and medium business.Tools: 1c: Enterprise 7.7, 1c: Enterprise 8.1, 1c: Enterprise 8.2