Igor Alexeev

Led system design and architecture from scratch for a large-scale distributed solution; handled deployment, performance tuning, authentication/authorization, reliability and testability. Worked with .NET Core, C#, ASP.NET MVC, Entity Framework, multithreading, dependency injection, RESTful APIs, TypeScript/JavaScript, JSON, LINQ, SQL Server, Azure (Functions, Service Bus, SQL Database, Data Factory, Microsoft Fabric), MongoDB; implemented OAuth2 and Microsoft Entra; containerization with Docker; unit testing with xUnit/NUnit; applied DDD, TDD, Design Patterns, SOLID, DRY, Scrum; CI/CD and performance-focused development.

Design and development of applications for various customers using .NET Core, C#, ASP.NET Core, ASP.NET MVC, ASP.NET Web API, Microservices, Entity Framework, Angular, React, JavaScript, TypeScript, Blazor, RESTFul, VB.NET, Azure, Cosmos DB, Azure functions, Docker, RabbitMQ, Kafka, Redis, WPF, JSON, XML, SQL Server, PostgreSQL, MongoDB, Postman, Unit Tests, TDD. Responsible for legacy code refactoring, team collaboration managing a 5-person team, leading meetings, code reviews, release planning, documentation updates, new member onboarding, interviewing, and customer collaboration through daily meetings, time estimation, and bug tracking.

Adding new functionality to the application, design and implement cache subsystem, bug fixing, code refactoring, performance improvement, code review using technologies such as .NET Core, C#, ASP.NET MVC, Angular, TypeScript, RabbitMQ, gRPC, Kafka, JSON, XML, SQL Server, distributed cache, MongoDB, Azure, Docker, Postman, Unit Tests. Working in Agile/Scrum environment with tools like Git, Jira, Confluence, Jenkins pipelines, and CI/CD.