10+ years of hands-on enterprise software development using C#, .NET Core, ASP.NET Core, and legacy .NET Framework 3.5/4.x, including modernization of existing applications.
Strong experience with legacy application modernization, including decomposing monolithic applications into modular services, APIs, or microservices and executing phased migrations with minimal business disruption.
Advanced REST API development and integration, including JWT, OAuth2, authentication/authorization, dependency injection, API security, and enterprise backend architecture.
Strong Angular/AngularJS front-end development experience with JavaScript, HTML, CSS, jQuery, responsive UI, component-based architecture, state management, and REST integration; experience migrating AngularJS to modern Angular is preferred.
Strong Microsoft SQL Server/T-SQL expertise, including stored procedures, views, triggers, indexing, complex query optimization, execution plans, database performance tuning, and data-access optimization.
Hands-on Microsoft Azure experience with Azure App Service, Azure SQL Managed Instance, Azure Storage, Event Hub, Azure Data Explorer (ADX), Key Vault, Application Insights, and Azure Monitor.
Strong Azure DevOps, Git, CI/CD and automated deployment experience, including Azure Repos/GitHub, release management, application monitoring, and DevOps practices.
Experience developing high-performance, multithreaded and asynchronous applications, with expertise in parallel processing, scalability, performance optimization, troubleshooting, and root-cause analysis across application, database, and cloud layers.
Strong software architecture and solution design capabilities, including OOP, design patterns, DDD, API-first design, event-driven architecture, integration patterns, modular/loosely coupled architecture, Agile/Scrum, secure coding, and code reviews.
Experience with production troubleshooting, testing and secure development, using tools such as KQL, Postman, SoapUI, Swagger/OpenAPI, IIS, application logs and database diagnostics. Healthcare integration experience with HL7, FHIR and Mirth Connect is desirable, particularly for healthcare-system modernization.