Backend .NET Engineer

I develop and maintain the client-facing side of a production .NET web application, delivering features from database design and business logic through REST APIs. I led the production platform upgrade from .NET 7 to .NET 10 and rewrote legacy code using modern practices while keeping live functionality stable.

I build modules with Entity Framework Core, implement document generation with OpenXML, and develop real-time chat functionality with SignalR and WebSockets. I maintain JWT authentication, refresh tokens, and claims-based authorization policies, and integrated Jira data into the platform.

I introduced Prometheus metrics, Grafana dashboards, and service alerting. I also write unit tests with xUnit and Moq, contribute Dockerfiles and Azure DevOps CI/CD pipelines, extend Angular components when needed, and investigate production defects.

I designed and built a full-stack application using C#, .NET, React, TypeScript, PostgreSQL, Entity Framework, SignalR, RabbitMQ, Couchbase, Amazon S3, JWT, and Docker. I created the REST API, business logic, relational database schema, and authentication system.

I implemented one-to-one encrypted chats, group chats using SignalR, and audio and video calls using WebRTC. I moved media storage to Amazon S3 and message storage to Couchbase to reduce write-heavy load on the primary database, and configured RabbitMQ for offline notifications, retry handling, and decoupled asynchronous processing.

I deployed and operate the application on a self-managed server using Docker, CI/CD, and Nginx. I also acted as Team Lead for a small team by planning sprints and setting and tracking tasks in YouGile.

I built a C# application for exchanging files with cloud storage through WebDAV. The application supported uploads, file transfers, synchronization, and metadata retrieval.

I added file-based logging for user actions and errors. I also delivered automatic updates and real-time data synchronization.

Bachelor's degree in Software Engineering.

Professional retraining diploma in Management.