"Astral Report" is a web portal for communication between companies and tax authorities of Russia.The application consists of two parts: internal transmission service and client web portal.The peak load is more than ten thousand simultaneous users.The main functionalities of "Astral Report" is:* Parse already existing reports or create them through a web editor;* Submit and receive reports to the tax authorities;* Handles crypto operations for crypt or decrypt reports;As a software developer, I worked mostly on features for a client portal:* Development of new features, and architecture solutions for microservice architecture;* Investigation of problems and bug fixing (3rd line of support, logs);* Task grooming and assessment;* Service optimization for efficient usage of resources;* Migration of services from .NET Core 3 to .NET 5/6, configuration adjustments for different environments.

"Just Food" is a web portal for ordering healthy food every day.Under the hood, it has two services, a client portal, and a back office portal.Through the client portal, the client can manage their profile, order and customize their food ration and create a delivery schedule, and connect with support through chat.The peak load was around two thousand users.The back office portal serviced the purpose to:* Manage available food menu;* Manage orders and schedules of clients;* Communicate with delivery services like "Yandex.Routing" to manage a schedule of couriers;* Communicate with chat services "Chat2Desk" to provide support through different lines like Client Web Portal, Instagram, WhatsUp, etc.;As a software developer, my responsibilities were:- Development of features for the client and back office portals;- Integration with services like Chat2Desk and Yandex.Routing;- Project architecture adjustment for the ability of code unit-testing

Action-MCFR is the largest B2B-publishing house in Russia. One of the projects that they have is an internal CRM portal for selling their products and the products of their partners.The project was a web portal for sales managers and the call center of Action-MCFR and partners.The peak load was around ten thousand simultaneous users.It provides access to:* Information about products and events;* Orders and license management of internal and partner products;* VoIP integration and scenarios for a call center;As a software developer, my responsibilities were:- Development of new features for the application, architecture solutions for microservices;- Problem investigation and bug fixing (3rd line of support, logs);- Microservice refactoring for lower consumption of CPU and memory resources;- Business requirement analysis, task decomposition, and assessment;

- Complete projects migration from .NET Framework 4.5 to .NET Core 2.0.- Development and refactoring of background workers for processing events from CRM- Development of a migration software to process 1С data to NeocaseCRM (Windows Service, Microsoft SQL Server, Dapper)- Development of new features for a client portan on vanilla js- Introduction of a code review process

- Development and refactoring of .net background workers for mail handling- Development of OracleDB procedures, features for ConcordeXAL CRM- Introduction of a code review process, CI/DI (Jenkins) and version control (GitLab)

- Development of a test framework based on Selenium driver for C#- Development of unit tests with nUnit and SpecFlow- Conduction of automation testing of an asp.net web application- Design of automated test cases

- Conduction of manual/automation/load testing- Designing test cases based on software/feature documentations- Preparation of test plans, test data