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I am a seasoned Software Engineer with extensive experience in developing secure, scalable, and high-performance applications using technologies such as C#, ASP.NET, ASP.NET Core, React, Angular, Azure, and AWS. I have a proven track record of designing microservices architectures, optimizing system performance, and leading cross-functional teams in Agile environments while leveraging DevOps tools to streamline deployment processes. With expertise in cloud computing, API management, and testing frameworks, I consistently deliver innovative solutions that enhance user experience and operational efficiency. I enjoy collaborating with teams to create robust software that meets business and technical requirements.…I am a seasoned Software Engineer with extensive experience in developing secure, scalable, and high-performance applications using technologies such as C#, ASP.NET, ASP.NET Core, React, Angular, Azure, and AWS. I have a proven track record of designing microservices architectures, optimizing system performance, and leading cross-functional teams in Agile environments while leveraging DevOps tools to streamline deployment processes. With expertise in cloud computing, API management, and testing frameworks, I consistently deliver innovative solutions that enhance user experience and operational efficiency. I enjoy collaborating with teams to create robust software that meets business and technical requirements.

Ryan Roark

Developer, Full Stack Developer, Cloud Developer, +3

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I am a seasoned Software Engineer with extensive experience in developing secure, scalable, and high-performance applications using technologies such as C#, ASP.NET, ASP.NET Core, React, Angular, Azure, and AWS. I have a proven track record of designing microservices architectures, optimizing system performance, and leading cross-functional teams in Agile environments while leveraging DevOps tools to streamline deployment processes. With expertise in cloud computing, API management, and testing frameworks, I consistently deliver innovative solutions that enhance user experience and operational efficiency. I enjoy collaborating with teams to create robust software that meets business and technical requirements.…I am a seasoned Software Engineer with extensive experience in developing secure, scalable, and high-performance applications using technologies such as C#, ASP.NET, ASP.NET Core, React, Angular, Azure, and AWS. I have a proven track record of designing microservices architectures, optimizing system performance, and leading cross-functional teams in Agile environments while leveraging DevOps tools to streamline deployment processes. With expertise in cloud computing, API management, and testing frameworks, I consistently deliver innovative solutions that enhance user experience and operational efficiency. I enjoy collaborating with teams to create robust software that meets business and technical requirements.

Available to hire

I am a seasoned Software Engineer with extensive experience in developing secure, scalable, and high-performance applications using technologies such as C#, ASP.NET, ASP.NET Core, React, Angular, Azure, and AWS. I have a proven track record of designing microservices architectures, optimizing system performance, and leading cross-functional teams in Agile environments while leveraging DevOps tools to streamline deployment processes.

With expertise in cloud computing, API management, and testing frameworks, I consistently deliver innovative solutions that enhance user experience and operational efficiency. I enjoy collaborating with teams to create robust software that meets business and technical requirements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Software Engineer | Lead .NET Engineer at HCA Healthcare

May 31, 2025 - July 10, 2025

Developed and launched two patient enrollment systems using ASP.NET Core, Angular 16, Entity Framework Core, and Azure SQL Database, improving efficiency and user experience. Designed and maintained ASP.NET microservices for secure patient data processing using Azure Functions, Service Bus, AKS, and Key Vault supporting 8+ hospitals and healthcare privacy compliance. Delivered 15+ Angular landing pages rapidly for marketing events. Employed Azure API Management for RESTful APIs and managed Azure API Gateway and Service Bus with RBAC and SSO using Azure AD B2C. Enhanced application performance by 30% via SQL query refinement and MS SQL Server optimization. Implemented Azure App Insight and Amplitude for monitoring and analytics. Achieved over 98% test coverage with various testing frameworks including Monetate, Jasmine/Karma, Moq, and MSTest. Automated build, test, and deployment processes with Azure DevOps, Terraform, Docker, and Kubernetes. Integrated SonarCloud with Azure DevOps to i

Senior Software Engineer | Lead .NET Engineer at HCA Healthcare

May 1, 2025 - August 1, 2025

Developed and launched two patient enrollment systems from the ground up using ASP.NET Core, Angular 16, Entity Framework Core, and Azure SQL Database, improving efficiency and user experience with a modern design and scalable backend. Designed and maintained ASP.NET microservices for secure patient data processing using Azure Functions, Service Bus, AKS, and Key Vault, supporting 8+ hospitals and ensuring compliance with healthcare privacy standards. Delivered 15+ landing pages using Angular and Angular Material in record time for marketing events. Used Azure API Management, Key Vault, Managed Identities, and implemented RBAC and SSO using Azure AD B2C. Optimized SQL queries to enhance performance by 30%. Implemented Azure App Insight and Amplitude for monitoring and analytics. Engineered comprehensive testing pyramids achieving over 98% test coverage. Leveraged DevOps tools including Azure DevOps, Terraform, Docker, and Kubernetes to automate build, test, and deployment processes. In

Senior Software Engineer | Lead .NET Engineer at HCA Healthcare

May 1, 2025 - July 10, 2025

Developed and launched two patient enrollment systems using ASP.NET Core, Angular 16, Entity Framework Core, and Azure SQL Database, improving efficiency and user experience. Designed and maintained ASP.NET microservices for secure patient data processing using Azure Functions, Service Bus, AKS, and Key Vault, supporting multiple hospitals with compliance to healthcare privacy standards. Delivered numerous Angular landing pages for marketing campaigns, configured Azure API Management for RESTful APIs, and implemented RBAC and SSO using Azure AD B2C. Enhanced application performance by refining SQL queries and MS SQL Server optimizations. Used Azure App Insight and Amplitude for monitoring. Established comprehensive testing strategies achieving over 98% test coverage. Leveraged DevOps tools like Azure DevOps, Terraform, Docker, and Kubernetes to streamline deployment and integrate SonarCloud for code quality. Led a team of five engineers and mentored junior developers in an Agile enviro

Senior FullStack Engineer at Billd

April 30, 2022 - July 10, 2025

Developed financial web applications using C#, .NET MVC, Blazor, and React with strong focus on payment transaction management and security. Built aviation connectivity solution on a serverless AWS Lambda architecture using React/Redux-Saga. Architected Microservices leveraging RabbitMQ and domain-driven design, improving scalability and time-to-market by 30%. Used GraphQL to optimize data querying, processing over 2,500 requests daily. Optimized Kubernetes cluster resource utilization, reducing infrastructure costs by 30%. Integrated AWS Cognito for authentication, reducing login times and security risks. Implemented AWS Step Functions for API gateway and Lambda integration, deployed containerized apps on Amazon ECS with auto-scaling. Automated deployments with AWS CodePipeline and testing with NUnit and Cypress achieving 75% test coverage. Secured user accounts with AWS IAM integration monitored by security teams.

Senior FullStack Engineer at Billd

April 1, 2022 - August 1, 2025

Developed a financial web application using C#, .NET MVC, Blazor, and React, featuring payment transaction management with data encryption and access controls. Built RESTful services with ASP.NET Web API and JWT, and created an aviation connectivity solution with React/Redux-Saga on AWS Lambda. Designed microservices architecture leveraging RabbitMQ and domain-driven design, improving scalability and time-to-market by 30%. Deployed GraphQL to optimize data queries handling over 2,500 daily requests. Optimized Kubernetes resource usage, reducing infrastructure costs by 30%. Implemented AWS Cognito for authentication enhancing login speed and security. Used AWS Step Functions, API gateways, and containerized apps on Amazon ECS. Streamlined deployment workflows with AWS CodePipeline and implemented automated testing achieving 75% test coverage. Integrated AWS IAM for secure user account management.

Senior FullStack Engineer at Billd

April 1, 2022 - July 10, 2025

Developed financial web applications using C#, .NET MVC, Blazor, and React with emphasis on payment transaction management and data security. Implemented robust RESTful services with ASP.NET Web API and JWT, and created aviation connectivity solutions using React/Redux-Saga on AWS Lambda. Designed microservices architecture utilizing RabbitMQ and domain-driven design, improving scalability and time-to-market. Deployed GraphQL for efficient data querying handling thousands of daily requests. Optimized Kubernetes clusters to reduce costs and increase resource usage efficiency. Integrated AWS Cognito for authentication, AWS Step Functions for API gateway and Lambda integration, and managed deployment pipelines with AWS CodePipeline. Automated testing with NUnit and Cypress achieved substantial test coverage. Enhanced security with AWS IAM integration for user account management.

Software Engineer at Scopic

September 30, 2018 - July 10, 2025

Migrated a large Web Forms app to MVC architecture increasing unit test coverage and modernizing the interface with HTML 5. Added OAuth 2.0 authentication for Angular 2 app communicating with .NET Core API via Azure AD. Designed and deployed WCF Services using SOAP, WSDL, and UDDI, improving web features and user satisfaction. Built data-driven application with Kendo UI Grid to manage large datasets for over 1,000 users. Developed components using Java/Spring, Servlets, WebLogic and JSP contributing to 10% performance improvements. Improved SEO and application performance driving increased traffic and page views. Executed 50+ unit tests with xUnit to ensure code quality. Implemented version control, automated builds, and JIRA integration reducing development time and boosting quality. Applied Agile SCRUM and Test-driven development methodologies.

Software Engineer at Scopic

September 1, 2018 - August 1, 2025

Migrated a large Web Forms application to MVC with ASP.NET and WCF/REST services, increased unit test coverage by 35%, and implemented a new HTML5 interface. Added OAuth 2.0 authentication on Angular 2 communicating with .NET Core API using Azure AD. Designed and deployed WCF Services with SOAP and WSDL, improving user satisfaction by 30%. Built a data-driven application with Kendo UI Grid for managing large datasets. Developed applications using Java/Spring and J2EE architecture improving performance. Deployed SEO tools to drive organic traffic and optimized database queries enhancing performance by 50%. Wrote and executed over 50 unit tests with xUnit. Deployed Git version control, Jenkins for builds, and integrated JIRA, reducing development time by 10%. Familiar with Agile Scrum and Test-Driven Development.

Software Engineer at Scopic

September 1, 2018 - July 10, 2025

Migrated a large legacy Web Forms application to MVC architecture with ASP.NET and WCF/REST services, increasing unit test coverage and revamping UI to HTML5. Implemented OAuth 2.0 authentication using Azure Active Directory for Angular 2 applications communicating with .NET Core APIs. Designed and deployed WCF services to improve web features, increasing user satisfaction and conversion rates. Created data-driven applications utilizing Kendo UI Grid for user data management. Contributed to performance improvements by developing Java/Spring applications. Applied SEO techniques to drive traffic growth and enhanced application performance. Wrote numerous unit tests with xUnit and implemented Git version control, automated builds with Jenkins, and JIRA integration to improve development efficiency and code quality. Participated in Agile SCRUM and Test-Driven Development methodologies.