— Development, refactoring, and support of the company's HR services ecosystem (own development);— Integration with external services (Helpshift, Calamari, Asana, Slack, Twilio, etc.);— Designing and writing a bot from scratch (approval flow in Asana);— Writing unit and integration tests in C#;— Maintaining documentation.

— Creating CQRS/DDD-based infrastructure with MediatR and supporting read/write databases (MongoDB and MS SQL Server);— Containerizing images and .NET apps with Docker / Docker-compose;— Using Entity Framework Core and Dapper over MS SQL Server databases, projection from expression trees; manipulating with stored procedures, triggers, etc;— Developing internal libraties (for example, for microservices infrastructure with RabbitMQ);— Setting up Azure AD with Identity Server 4 authentication;— Writing unit tests (xUnit / Moq / Bogus), etc.

— Development of a system for a medical clinic (implementation of features, refactoring, bugfixes, migrations in C#/SQL, suggestions for improving the system);— CRM / Trading system support (bugfix, unit tests, migrations);— Development of an internal project for the stub of third-party services (infrastructure for serverless applications);— Development of company internal libraries' (using NHibernate's/Entity Framework Core's, refactoring, writing documentation);— Development of a system for tracking mood and performance (business logic, application containers, messaging via RabbitMQ and SignalR, writing recurring tasks via Hangfire, usage of NHibernate).