Technical Team Lead | .NET Architect | Founder at Roolyst

I build scalable business systems, backend platforms, and operational products with a strong focus on .NET, system design, clean architecture, and practical delivery.

I currently work across enterprise systems and product initiatives, and I am building Roolyst, a platform focused on digital checklists, inspections, and operational workflows.

• Technical Team Lead with deep experience in C# / .NET
• Strong background in backend engineering, cloud-oriented systems, and enterprise integrations
• Interested in product building, SaaS architecture, and workflow automation
• Owner of Roolyst Company

I work on business-critical systems involving:

• Notifications and messaging services
• Billing and payment-related services
• Background processing and job orchestration
• API design, integrations, and performance improvements
• Maintainable architecture patterns for long-term systems

I am also building products and ideas around:

• Digital operations
• Checklists and inspections
• Field workflows
• Multi-tenant SaaS platforms
• Process digitization for teams and businesses

Backend & Architecture

• C#
• .NET / ASP.NET Core
• Web API
• Clean Architecture
• CQRS
• Entity Framework Core
• SQL Server
• PostgreSQL
• Hangfire

Frontend & Mobile Collaboration

• React
• Vite
• Mobile-oriented product workflows

Other Areas

• System design
• Performance optimization
• Enterprise integration
• PDF/report generation
• API management
• SaaS product strategy

• Growing Roolyst as an operations and checklist platform
• Building robust and maintainable enterprise-grade services
• Designing systems that balance business needs with engineering quality
• Exploring product, architecture, and leadership at a deeper level

• SaaS product development
• Workflow systems
• Technical leadership
• Scalable backend platforms
• Operational excellence through software

• LinkedIn: linkedin.com/in/AhmOmar
• Email: me@ahmadomar.net

I enjoy building software that is useful, maintainable, and aligned with real business outcomes.