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I'm Denny Maldonado, a Senior Full Stack Engineer and Solution Architect with 10+ years of experience building secure, scalable .NET applications across healthcare and finance. I specialize in C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and microservices, delivering enterprise solutions in Agile environments. In recent roles, I migrated legacy systems to AKS-based microservices, redesigned patient portals for accessibility, and built AI-assisted workflows and APIs to empower clinicians with real-time data across facilities. I also focused on security, observability, automated testing, and DevOps to improve reliability and delivery speed.…I'm Denny Maldonado, a Senior Full Stack Engineer and Solution Architect with 10+ years of experience building secure, scalable .NET applications across healthcare and finance. I specialize in C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and microservices, delivering enterprise solutions in Agile environments. In recent roles, I migrated legacy systems to AKS-based microservices, redesigned patient portals for accessibility, and built AI-assisted workflows and APIs to empower clinicians with real-time data across facilities. I also focused on security, observability, automated testing, and DevOps to improve reliability and delivery speed.

Denny Maldonado

Full Stack Developer, Web Developer, Back-End Developer, +4

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I'm Denny Maldonado, a Senior Full Stack Engineer and Solution Architect with 10+ years of experience building secure, scalable .NET applications across healthcare and finance. I specialize in C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and microservices, delivering enterprise solutions in Agile environments. In recent roles, I migrated legacy systems to AKS-based microservices, redesigned patient portals for accessibility, and built AI-assisted workflows and APIs to empower clinicians with real-time data across facilities. I also focused on security, observability, automated testing, and DevOps to improve reliability and delivery speed.…I'm Denny Maldonado, a Senior Full Stack Engineer and Solution Architect with 10+ years of experience building secure, scalable .NET applications across healthcare and finance. I specialize in C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and microservices, delivering enterprise solutions in Agile environments. In recent roles, I migrated legacy systems to AKS-based microservices, redesigned patient portals for accessibility, and built AI-assisted workflows and APIs to empower clinicians with real-time data across facilities. I also focused on security, observability, automated testing, and DevOps to improve reliability and delivery speed.

Available to hire

I’m Denny Maldonado, a Senior Full Stack Engineer and Solution Architect with 10+ years of experience building secure, scalable .NET applications across healthcare and finance. I specialize in C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and microservices, delivering enterprise solutions in Agile environments.

In recent roles, I migrated legacy systems to AKS-based microservices, redesigned patient portals for accessibility, and built AI-assisted workflows and APIs to empower clinicians with real-time data across facilities. I also focused on security, observability, automated testing, and DevOps to improve reliability and delivery speed.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer & Team Lead at Ascension Health

July 1, 2025 - July 1, 2025

Led migration of legacy EMR modules to AKS-based microservices using ASP.NET Core 6, EF Core, and Docker, enabling scalable telehealth during a 3x visit growth. Redesigned patient portal from Web Forms/Kendo UI to Angular 14, improving accessibility and navigation. Built REST and FHIR APIs to integrate with Epic and Cerner for real-time data access. Implemented event-driven workflows with Azure Service Bus and Functions; optimized 150+ SQL Server stored procedures and EF Core queries; delivered an AI-driven triage assistant; designed ETL pipelines with SSIS, Synapse, and Data Factory; strengthened security with OAuth2, Azure AD B2C (Entra ID), and Key Vault; enhanced observability; automated testing with xUnit, NUnit, Moq; upgraded Azure DevOps pipelines with Terraform for API Management.

Senior Software Engineer & Solution Architect at Envestnet Inc

March 1, 2021 - March 1, 2021

Orchestrated migration of legacy .NET financial services apps to AWS ECS Fargate with SQS and API Gateway; 40% cost reduction and 150% scalability improvement. Modernized client onboarding with React 16, Next.js, ASP.NET Web API, Kafka, and AWS API Gateway. Architected secure RESTful and GraphQL APIs using ASP.NET Core, AWS Lambda, and Amazon Cognito. Optimized transactional data pipelines on SQL Server RDS with SSIS; implemented MFA with OAuth2, Amazon Cognito, and JWT. Built resilient ETL pipelines with AWS Glue and SSIS to process 5TB daily into Redshift. Delivered data visualizations with AWS QuickSight and SSRS; established CI/CD with CodePipeline/CodeBuild; integrated Dynamics 365 CRM for real-time data sync; contributed to Agile planning and architectural decisions.

Full Stack Engineer at Modernizing Medicine, Inc

February 1, 2018 - February 1, 2018

Built backend systems with C#, Java, and ASP.NET Web Forms; ensured zero data loss for 3,000+ patients. Developed WPF desktop apps to improve scheduling and administrative productivity. Optimized SQL Server access via ADO.NET; enhanced UI with Blazor, Kendo UI, and jQuery. Implemented RabbitMQ for asynchronous reminders and billing events; used Redis caching to reduce SQL Server load; supported DevOps with TFS and Azure App Services; created stable release scripts.

Software Engineer at Accenture

December 1, 2015 - December 1, 2015

Developed C# and ASP.NET MVC modules to support dealer campaigns; wrote SQL for regional reports and campaign metrics; implemented front-end components with JavaScript, HTML, CSS, and jQuery. Integrated Elasticsearch for fast full-text search across vehicle listings and campaigns; collaborated with cross-functional teams to align technical implementation with objectives and timelines.