ABDUL HANNAN

- Developed and maintained a CRM application using .NET Core and Angular. - Worked on bug fixes and implemented new features. - Developed a microservice for real-time chat/comments within the CRM to streamline communication. - Re-architect a legacy system used by 1,000+ users to improve overall performance and user experience. - Managed release processes and deployment. - Reduced system downtime by ~40% by improving and partially automating deployments. - Migrated servers from Windows to LINUX. - Integrated Google Drive and Google Sheets APIs. - Simplified and accelerated technician scheduling by ~70% by integrating Google Calendar with CRM. - Integrated third-party applications i.e. Paypeople. - Improved the performance of the system by introducing a distributed caching mechanism using Redis.

- Developed and maintained desktop applications using ASP.NET Windows Forms, actively participating in the entire Software Development Life Cycle (SDLC) from Analysis and Design to Implementation, Testing, and Maintenance. - Responsible for bug fixes and the implementation of new features using Windows Forms. - Collaborated with a team of developers and utilized Microsoft Azure for version control. - Ensured high performance and code reusability. - Applied the Single Responsibility principle to enhance code quality. - Prepared test cases and conducted unit testing. - Migrated and converted Windows application to .NET MAUI, ensuring seamless cross-platform functionality.