- Developed a robust microservices architecture using .NET Core and Node.js, enhancing application reliability by 20% and improving maintainability. - Incorporated Entity Framework Core 6, resulting in a 30% reduction in query response time and optimizing database interactions. - Implemented efficient caching techniques in Node.js, achieving a 25% reduction in average response time, which enhanced user satisfaction and overall system performance. - Improved web application security and access control using ASP.NET Core Identity, leading to a 30% reduction in security incidents. - Introduced RabbitMQ messaging system, reducing message delivery latency by 25% and enhancing overall system performance by 15%. - Leveraged Docker and Kubernetes for microservices deployment, reducing deployment times by 50%. - Decreased delivery costs by 25% and increased efficiency by 20% through Azure Functions and Azure Maps.

- Coordinated efforts across various disciplines to deliver a comprehensive solution using React and ASP.NET Core for mobile, tablet, and desktop applications. - Designed and implemented a GraphQL API, improving data retrieval efficiency and reducing data transfer requirements by 50% compared to traditional RESTful APIs. - Optimized stored procedures in Microsoft SQL Server, modernizing database operations and achieving a significant reduction in query response time. - Transitioned the project’s AWS infrastructure to a serverless model using AWS Lambda, achieving over 20% in cost savings. - Configured AWS Cognito for user authentication, resulting in a 30% reduction in login times and a 25% decrease in the risk of brute force and denial-of-service attacks. - Utilized NUnit, XUnit, Jest, and Mocha, resulting in a 25% reduction in post-release patches and improved software reliability. - Evaluated and adopted Agile SCRUM and Test-Driven Development (TDD) methodologies, enhancing project efficiency and team collaboration.

- Developed and maintained backend systems for large-scale applications using ASP.NET MVC 5 and ASP.NET Web API, ensuring high performance and scalability. - Led the transition to ASP.NET Core, enabling cross-platform compatibility and reducing deployment times across Windows, Mac, and Linux environments. - Designed and optimized database schemas for Microsoft SQL Server, implementing Entity Framework for efficient data access and improving query performance by over 30%. - Created and documented RESTful APIs for integration with frontend frameworks like AngularJS and React, enhancing user experience and increasing API consumption by 20%. - Implemented automated testing with NUnit and MSTest, achieving over 80% code coverage and significantly reducing production bugs. - Deployed applications to Windows Azure, leveraging services like Azure App Services for scalable and reliable hosting solutions.