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I am 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 crafting robust API-first architectures, cloud-native microservices, and data-driven platforms that empower clinicians and financial teams to work more efficiently. My hands-on expertise spans C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and modern CI/CD practices, all delivered within agile environments. I thrive in collaborative, fast-paced settings, mentor teammates, and enjoy turning complex requirements into clean, maintainable code. I’m passionate about staying ahead with AI, cloud innovations, and sharing knowledge with peers to elevate team capabilities and project outcomes.…I am 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 crafting robust API-first architectures, cloud-native microservices, and data-driven platforms that empower clinicians and financial teams to work more efficiently. My hands-on expertise spans C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and modern CI/CD practices, all delivered within agile environments. I thrive in collaborative, fast-paced settings, mentor teammates, and enjoy turning complex requirements into clean, maintainable code. I’m passionate about staying ahead with AI, cloud innovations, and sharing knowledge with peers to elevate team capabilities and project outcomes.

Denny Maldonado

Full Stack Developer, Back-End Developer, Web Developer, +5

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I am 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 crafting robust API-first architectures, cloud-native microservices, and data-driven platforms that empower clinicians and financial teams to work more efficiently. My hands-on expertise spans C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and modern CI/CD practices, all delivered within agile environments. I thrive in collaborative, fast-paced settings, mentor teammates, and enjoy turning complex requirements into clean, maintainable code. I’m passionate about staying ahead with AI, cloud innovations, and sharing knowledge with peers to elevate team capabilities and project outcomes.…I am 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 crafting robust API-first architectures, cloud-native microservices, and data-driven platforms that empower clinicians and financial teams to work more efficiently. My hands-on expertise spans C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and modern CI/CD practices, all delivered within agile environments. I thrive in collaborative, fast-paced settings, mentor teammates, and enjoy turning complex requirements into clean, maintainable code. I’m passionate about staying ahead with AI, cloud innovations, and sharing knowledge with peers to elevate team capabilities and project outcomes.

Available to hire

I am 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 crafting robust API-first architectures, cloud-native microservices, and data-driven platforms that empower clinicians and financial teams to work more efficiently. My hands-on expertise spans C#, ASP.NET Core, Blazor, Azure, AWS, SQL Server, and modern CI/CD practices, all delivered within agile environments.

I thrive in collaborative, fast-paced settings, mentor teammates, and enjoy turning complex requirements into clean, maintainable code. I’m passionate about staying ahead with AI, cloud innovations, and sharing knowledge with peers to elevate team capabilities and project outcomes.

Skills

Experience Level

Expert

Expert

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Expert

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Expert

Expert

Expert

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Expert

Expert

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Expert

Intermediate

Intermediate

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Intermediate

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Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Engineer & Team Lead at Ascension Health

April 1, 2021 - July 1, 2025

Led migration of legacy EMR modules to Azure Kubernetes Service (AKS) based microservices using ASP.NET Core 6, EF Core, and Docker, enabling reliable scaling during a 3x increase in telehealth visits. Redesigned patient portal from ASP.NET Web Forms/Kendo UI to Angular 14 with RxJS and Figma-driven UI, improving accessibility and reducing bounce rates by 35%. Built REST and FHIR APIs in ASP.NET Core to integrate with Epic and Cerner for real-time clinician access. Implemented event-driven workflows with Azure Service Bus and Functions, reducing integration errors by 30%. Optimized 150+ SQL Server stored procedures and EF Core queries, delivering 60% faster billing and patient lookups with sub-200 ms response times under load. Delivered AI-driven triage with Python and Azure Cognitive Services, automating 35% of initial assessments. Designed ETL pipelines with SSIS, Azure Synapse, and Data Factory for unified analytics. Strengthened security with OAuth2, Azure AD B2C (Entra ID), and Ke

Senior Software Engineer & Solution Architect at Envestnet Inc

March 1, 2018 - March 1, 2021

Orchestrated migration of legacy .NET financial services apps to AWS ECS Fargate with SQS and API Gateway, achieving 40% cost reduction and 150% scalability via microservices. Modernized client onboarding with React 16, Next.js, ASP.NET Web API, Kafka, and AWS API Gateway, reducing form abandonment by 25%. Architected secure RESTful and GraphQL APIs using ASP.NET Core, AWS Lambda, and Amazon Cognito for credit scoring and payments, enabling flexible data access and third-party bureau integration. Optimized transactional pipelines on SQL Server RDS and SSIS, cutting reporting latency by 70% and supporting high-volume batch processing. Implemented MFA with OAuth2, Amazon Cognito, and JWT, earning ‘Top Security Advocate’. Built resilient ETL pipelines with AWS Glue and SSIS processing 5TB daily into Redshift for risk analytics, reducing errors by 35%. Delivered data visualizations with AWS QuickSight and SSRS for risk, compliance, and operations. Integrated Dynamics 365 CRM for real-t

Full Stack Engineer at Modernizing Medicine, Inc

January 1, 2016 - February 1, 2018

Built robust backend systems with C#, Java, and ASP.NET Web Forms to support seamless patient intake with zero data loss for 3,000+ patients. Developed internal desktop apps with WPF to improve scheduling and admin productivity. Optimized SQL Server access via ADO.NET, resolving 99% of data issues within SLAs. Enhanced UI with Blazor, Kendo UI, and jQuery for staff and patient portals. Implemented RabbitMQ-based messaging for asynchronous reminders and billing events. Leveraged Redis caching to reduce SQL Server load and improve response times. Contributed to DevOps using TFS, deploying to Azure App Services and maintaining release scripts.

Software Engineer at Accenture

September 1, 2014 - December 1, 2015

Developed web modules in C# and ASP.NET MVC for global automotive marketing portal, enabling dealer campaign management and lead capture. Wrote SQL queries and assisted with stored procedures for regional sales reports and campaign metrics. Built frontend components using JavaScript, HTML, CSS, and jQuery for dashboards and campaign pages. Participated in code reviews, testing, and defect triage. Integrated Elasticsearch to enable fast full-text search across vehicle listings and campaign data, improving dealer access to insights.