Roman Davydenko Email and Phone Number

Software development for the State Real Estate Supervision Inspectorate. Development of complex algorithms for business processes of the system, incl. interaction with external integration systems.Writing an integration service in GraphQL (HotChocolate).Implementation of EDS (electronic digital signature) functionality for documents (working with CryptoPRO, Cades Plugin).Improvement of the mechanism for scheduling background tasks and various restart strategies for different error codes (Quartz.NET).Writing database migrations (flyway) and stored procedures in PL/SQL (Oracle).Refinement of the interface (UI) in React using GraphQL.Technology stack: • ASP.NET Core (WebApi)• NATS• Oracle, Entity Framework Core• ReactJS, Axios, AntD• flyway, Swagger, NUnit

Support and development of a CRM system (backend).Development of an interactive map of Russia (by region) with statistics on certain system objects (front-end).Writing database migrations (EF Migrations).Development of a mechanism for migrating the customer database (Firebase) to the application database (PostgreSQL).Technology stack:• ASP.NET Core 3.x (WebApi)• RabbitMQ• SQL, PostgreSQL, Entity Framework Core• VueJS, Axios, DevExtreme• Docker, Kubernetes

Development of a medical information system (backend, frontend).Development of a service for transferring XML to a federal agency. Writing a validation mechanism for XML documents for compliance with reference values, format, etc.Writing migrations (Liquibase).Technology stack:• ASP.NET Core 3.x (WebApi, MVC)• SQL, Postgres, Dapper, Entity Framework Core • VueJS (Vue-Router, Vuex), Axios, ElementUI• Liquibase, Swagger, AutoMapper, NUnit

Design and development from scratch forum on ASP.NET Core MVC.MS SQL Server database design.Development of an admin panel with analytical data on users/topics/themes of the forum.Technology stack:• ASP.NET Core MVC• MS SQL Server, Entity Framework Core • HTML, CSS• JQuery, Ajax