I am a Senior .NET Software Engineer with over 10 years of professional experience developing tools, high-performance business applications, and workflow solutions across healthcare and fintech. I led the architecture and development of a patient portal for CHRISTUS Health within a 13-member team, designed secure, HIPAA-compliant API ecosystems, and championed DevOps practices to remove blockers and boost collaboration and productivity.

Marc Anthony Smith

I am a Senior .NET Software Engineer with over 10 years of professional experience developing tools, high-performance business applications, and workflow solutions across healthcare and fintech. I led the architecture and development of a patient portal for CHRISTUS Health within a 13-member team, designed secure, HIPAA-compliant API ecosystems, and championed DevOps practices to remove blockers and boost collaboration and productivity.

Available to hire

I am a Senior .NET Software Engineer with over 10 years of professional experience developing tools, high-performance business applications, and workflow solutions across healthcare and fintech.

I led the architecture and development of a patient portal for CHRISTUS Health within a 13-member team, designed secure, HIPAA-compliant API ecosystems, and championed DevOps practices to remove blockers and boost collaboration and productivity.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
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Language

English
Fluent

Work Experience

Lead Full Stack Engineer at CHRISTUS HEALTH
July 1, 2025 - September 24, 2025
Led architecture and development of the Patient Portal using .NET Core and Angular 13, delivering real-time access to medical records with a responsive design. Implemented a microservices architecture with Domain-Driven Design, scalable to 1,000 concurrent users. Built RESTful APIs to integrate with Epic, Meditech, and eClinicalWorks (HL7/FHIR). Enforced security (TLS 1.2, OAuth 2.0) and HIPAA compliance, and designed real-time notifications with SignalR and efficient inter-service communication with gRPC. Optimized AKS and Service Bus for high availability and cost efficiency (20% cloud spend reduction, 99.99% uptime). Enhanced MS SQL Server performance with extensive T-SQL and stored procedures. Integrated Azure AI and OpenAI models to assist billing and health insights. Implemented Datadog APM with distributed tracing to identify bottlenecks (25% performance uplift).
Senior Full Stack Engineer at BESTOW INC
September 1, 2020 - September 24, 2025
Built and maintained a scalable fintech microservices app using .NET Core and React, ensuring PCI DSS and GDPR compliance. Integrated PayPal and Stripe gateways, improving conversion by 20%. Developed data analytics workflows and ETL processes to support reporting and data-driven decision-making. Optimized SQL Server queries and indexing, reducing peak-load data retrieval times from 1.5s to 0.8s. Streamlined complex DB operations with LINQ/EF, and integrated CRM systems (Umbraco, Dynamics 365). Created Blazor dashboards for analytics, and deployed using Azure services (Functions, DevOps, SQL). Achieved >90% test coverage with xUnit and MSTest to enable CI/CD.
Senior .NET Engineer at FARMERS INSURANCE
July 1, 2018 - September 24, 2025
Built enterprise applications for claims processing with ASP.NET MVC and Entity Framework, increasing efficiency through workflow automation. Led migration of legacy apps to .NET Core to improve performance and scalability. Developed RESTful APIs for mobile/web platforms and automated testing with NUnit/Moq, boosting code quality and reliability. Integrated AWS services (RDS, CloudWatch, S3) for scalability and monitoring.
.NET BACKEND ENGINEER at OTS SOLUTIONS INC
February 1, 2015 - September 24, 2025
Built backend services using C#, ASP.NET Web API and SQL Server to support high-traffic financial services platform. Led server-side logic and API integration, collaborating with front-end teams to improve user satisfaction by ~30%. Optimized complex SQL queries and stored procedures to reduce data retrieval times by ~25%. Deployed and maintained apps in Azure for multiple clients, achieving 99.9% uptime. Engaged with clients to gather requirements for tailored solutions.

Education

B.S. in Computer Science at Temple University, Philadelphia, PA
January 11, 2030 - May 1, 2012

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Financial Services, Software & Internet, Professional Services