Marjol Mehalla

Built a .NET 8 campaign monitoring platform from scratch with a dynamic rule engine for 50+ campaigns. Reduced manual monitoring effort by ~70% and cut alert latency to <200ms via SQL optimization. Developed real-time dashboards and automated alerting to enable root-cause identification in minutes. Implemented comprehensive unit/integration tests for high reliability. Stack: C#, .NET 8, EF Core, Azure, Azure DevOps, SQL Server, MS Test

Developed backend features and REST APIs in C# and ASP.NET Core for Azure-hosted applications. Implemented CI/CD pipelines using Azure DevOps for automated deployment. Refactored legacy services using Clean Architecture and CQRS patterns. Stack: C#, .NET, Azure, Azure DevOps, MS-Test

Led the migration of legacy T-SQL stored-procedure workflows into maintainable C# services. Designed a job orchestrator with idempotency guarantees and automatic retry policies, improving system observability through structured logging and metrics dashboards. Resulted in a ~40% reduction in average batch processing time and significantly lower database load during peak hours. Stack: C# (.NET 6), SQL Server (T-SQL), Azure DevOps CI/CD, Git.

Developed enterprise billing and operations workflows for the energy sector using C# and EF. Refactored complex database logic into application code to enable automated testing and better maintainability. Implemented Repository and Unit of Work patterns to reduce data access coupling. Optimized Windows Services for background processing, increasing throughput and system reliability. Stack: C# (.NET 4.6), Entity Framework (DB First), SQL Server, Oracle DB, IIS, Git.