Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a .NET Backend Developer specializing in C# and modern backend architecture. I build reliable REST APIs, microservices, authentication systems, and database-driven applications using ASP.NET Core, PostgreSQL, Docker, Redis, and distributed communication technologies such as gRPC. I enjoy improving performance, writing maintainable code, and delivering backend solutions that support real users and business needs. I have worked on enterprise web applications and multiplayer mobile game services, including systems supporting more than 50,000 active users and 200 concurrent players. I am comfortable collaborating in Agile teams, contributing to code reviews, configuring CI/CD pipelines, and writing automated tests. I am always eager to take on challenging projects and continue growing as a backend engineer.…I am a .NET Backend Developer specializing in C# and modern backend architecture. I build reliable REST APIs, microservices, authentication systems, and database-driven applications using ASP.NET Core, PostgreSQL, Docker, Redis, and distributed communication technologies such as gRPC. I enjoy improving performance, writing maintainable code, and delivering backend solutions that support real users and business needs. I have worked on enterprise web applications and multiplayer mobile game services, including systems supporting more than 50,000 active users and 200 concurrent players. I am comfortable collaborating in Agile teams, contributing to code reviews, configuring CI/CD pipelines, and writing automated tests. I am always eager to take on challenging projects and continue growing as a backend engineer.

KSENIIA PICHUGINA

Back-End Developer, Developer, Game Developer, +2





I am a .NET Backend Developer specializing in C# and modern backend architecture. I build reliable REST APIs, microservices, authentication systems, and database-driven applications using ASP.NET Core, PostgreSQL, Docker, Redis, and distributed communication technologies such as gRPC. I enjoy improving performance, writing maintainable code, and delivering backend solutions that support real users and business needs. I have worked on enterprise web applications and multiplayer mobile game services, including systems supporting more than 50,000 active users and 200 concurrent players. I am comfortable collaborating in Agile teams, contributing to code reviews, configuring CI/CD pipelines, and writing automated tests. I am always eager to take on challenging projects and continue growing as a backend engineer.…I am a .NET Backend Developer specializing in C# and modern backend architecture. I build reliable REST APIs, microservices, authentication systems, and database-driven applications using ASP.NET Core, PostgreSQL, Docker, Redis, and distributed communication technologies such as gRPC. I enjoy improving performance, writing maintainable code, and delivering backend solutions that support real users and business needs. I have worked on enterprise web applications and multiplayer mobile game services, including systems supporting more than 50,000 active users and 200 concurrent players. I am comfortable collaborating in Agile teams, contributing to code reviews, configuring CI/CD pipelines, and writing automated tests. I am always eager to take on challenging projects and continue growing as a backend engineer.

Available to hire

I am a .NET Backend Developer specializing in C# and modern backend architecture. I build reliable REST APIs, microservices, authentication systems, and database-driven applications using ASP.NET Core, PostgreSQL, Docker, Redis, and distributed communication technologies such as gRPC. I enjoy improving performance, writing maintainable code, and delivering backend solutions that support real users and business needs.
I have worked on enterprise web applications and multiplayer mobile game services, including systems supporting more than 50,000 active users and 200 concurrent players. I am comfortable collaborating in Agile teams, contributing to code reviews, configuring CI/CD pipelines, and writing automated tests. I am always eager to take on challenging projects and continue growing as a backend engineer.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Russian

Fluent

English

Advanced

German

Beginner

Work Experience

Backend Developer (.NET) at Technology Service Systems LLC (TSS)

July 1, 2024 - August 1, 2026

Developed and maintained microservices with C#, ASP.NET Core, and .NET 8. Designed and implemented more than 20 REST API endpoints and integrated internal services using gRPC. Built JWT and OAuth2 authentication and authorization services for more than 50,000 active users. Integrated external CRM and payment systems through REST APIs. Optimized PostgreSQL queries and indexes, reducing critical-operation response times by approximately 30%, and implemented Redis caching to reduce database load by approximately 25%. Containerized services with Docker, configured GitHub Actions CI/CD pipelines, wrote xUnit and Moq unit and integration tests, and participated in Agile/Scrum ceremonies, code reviews, and sprint planning.

Backend Developer (.NET) at Knysh Game Development Studio

September 1, 2023 - July 1, 2024

Developed backend services for a multiplayer mobile game using C# and .NET, supporting more than 200 concurrent players. Implemented real-time communication with WebSocket and Photon, designed PostgreSQL schemas for player profiles, inventory, and statistics, and developed JWT-based authentication and authorization. Improved server performance by optimizing asynchronous operations and reducing memory consumption by approximately 20%. Configured Docker Compose environments for local development and testing, and worked with GitFlow and code reviews.