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Илья Тимофеев

@0007487

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Full Stack Developer at R7-Office building high-load web apps and real-time mail synchronization for 5,000+ users.

Russian Federation

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At R7-Office, I developed high-load web applications and a Dovecot HTTP API-based mail synchronization mechanism that enabled real-time status updates for 5,000+ users. I also extracted background synchronization services into independent modules and introduced RabbitMQ-based messaging between them.

At JAPAN TOBACCO INTERNATIONAL, I built full-stack applications and integrations with SharePoint and 1C, and rebuilt a legacy WPF transfer pricing tool as an ASP.NET Core and React application. Earlier, at CATO, I developed desktop and VR train simulators using Unity, C#, and OpenXR.

Experience

Work history, roles, and key accomplishments

Current

Senior Full Stack Developer

Current

R7-Office

Sep 2025 - Present (1 year 1 month)

Engineered a Dovecot HTTP API-based mail synchronization mechanism, resolving UI latency issues for 5,000+ users. Developed high-load web applications using ASP.Net Core, Dapper, and RabbitMQ, and built admin modules in React and TypeScript.

C#ASP.NET 6 8 PostgreSQL Dapper xUnit Docker Redis Dependency Injection RabbitMQ React TypeScript Mantine Vite

Full Stack Developer

Japan Tobacco International (JTI)

Jan 2024 - Sep 2025 (1 year 8 months)

Engineered full-stack web applications using ASP.NET Core and React.js, designed SQL Server databases, and integrated with SharePoint and 1C. Established CI/CD pipelines in Azure DevOps and implemented monitoring with Application Insights.

C#ASP.NET 6 and 8 MSSQL Entity Framework xUnit Azure DevOps React IIS Bootstrap SharePoint Application Insights

Unity Developer

CATO

Jan 2022 - Jan 2024 (2 years)

Developed a multi-interface train simulator for Company 1520, engineering control systems for Arduino hardware and VR headsets (OpenXR). Mentored a junior developer and collaborated in a cross-functional team using GitHub and Redmine.

C#Unity Git Arduino WebSockets JSON