Toheed Qureshi

Software Developer

IT Corner • Vollzeit

Mar 2026 - Present • 7 mos

• Re-architected the real-time SignalR chat service for StarApp, a live-streaming and reels platform with 90,000+ users, from a single-server setup to a distributed multi-node architecture using Redis and YARP. • Implemented load balancing, session affinity, health checks, and automatic failover, enabling reliable real-time communication across Windows and Linux backend servers. • Improved API response times by 45% through Redis caching, SQL Server query optimization, and efficient data access using Entity Framework Core. • Deployed and managed ASP.NET Core services on Ubuntu/Linux using systemd and Nginx, including WebSocket configuration, SSL setup, and production service monitoring. • Integrated the Google Play Integrity API for device verification and anti-tampering protection, along with real-time push notification functionality using SignalR.

ASP.NET CORE developer

Stem Wizards Academia • Teilzeit

Jul 2023 - Jan 2024 • 6 mos

• Developed ASP.NET Core MVC web applications using C#, Razor Views, SQL Server, and Entity Framework Core. • Applied OOP, SOLID principles, N-Tier architecture, Dependency Injection • Wrote optimized LINQ queries, managed EF Core migrations, and implemented CRUD operations. • Integrated RESTful APIs, authentication/authorization, model validation, and routing. • Performed debugging, testing, and bug tracking using Git and Agile workflow.