Muhammad Hasaan

Software Engineer

Jun 2022 - Mar 2025 • 2 yrs 9 mos

This opportunity at "Logiciel Services" allowed me to work on a wide range of projects, from enterprise management systems to real-time applications where performance and latency were critical. I developed strong expertise in backend architecture, system optimization, and scalable application design, while also growing in team collaboration and ownership. Key Contributions & Achievements ~Built and maintained applications using C# MVC with .NET Core APIs, along with Blazor and jQuery for frontend integration ~Implemented secure authentication and authorization using Microsoft Identity, IdentityServer, and JWT ~Improved application performance by applying multithreading and industry best practices ~Designed scalable architectures using the Repository Pattern to separate business logic from data access ~Migrated databases from MongoDB to PostgreSQL, improving data consistency and query performance ~Utilized Redis and Apache Ignite as in-memory data stores for ultra-fast data retrieval and inserts ~Worked on multi-database systems, ensuring seamless integration and efficient data flow ~Implemented real-time data updates using WebSockets and Redis Pub/Sub ~Developed an automated reporting system that aggregates data from multiple applications and generates Excel reports based on business requirements ~Leveraged Dependency Injection and scoped services for efficient resource and lifecycle management Technologies ~Backend: .NET Core (MVC & APIs), Blazor ~Frontend: React, JavaScript, jQuery, HTML, CSS ~Real-Time & Messaging: WebSockets, Redis Pub/Sub ~Caching: Redis, Apache Ignite Databases ~Microsoft SQL Server (MSSQL) ~PostgreSQL ~MongoDB ~Redis (Cache) ~Apache Ignite (Cache) Tools & Practices ~IIS, Windows Services ~Entity Framework Core ~Microsoft Identity, IdentityServer, JWT Authentication ~Role-based Authentication & Authorization ~Git, Jira ~Excel (Reporting & Automation) ~Agile methodology

QA Intern

Jun 2021 - Sep 2021 • 3 mos

This opportunity at "QorData" allowed me to: • Performed functional and database-level testing using SQL Server • Executed manual test cases and reported defects using standard QA processes. • Collaborated with developers to verify bug fixes and regression testing cycles.