Senior .NET Engineer and Team Lead

Sr. .NET Engineer

Blake Matthew Band

************@*****.*** +1-210-***-**** Austin, TX

PROFILE

I am a Senior .NET Engineer and I've worked in systems analysis, design, development, and deployment for more than 11 years. My areas of expertise include the Microsoft.NET Framework, C#, .NET, ASP.NET, and contemporary web technologies like Angular, React, TypeScript, and Node.js. I've managed the Software Development Life Cycle (SDLC) for a long time using SCRUM, Agile, and Waterfall approaches. I am skilled in creating cloud-based applications with AWS and Azure, including AWS Lambda, EC2, S3, and RDS services. My areas of expertise include using ORM tools like Entity Framework and LINQ for effective data handling and developing reliable web applications using REST and SOAP Web Services. I've worked directly with Azure DevOps to build CI/CD pipelines and guarantee smooth application deployment. I also have experience with implementing security with Azure Active Directory (AAD), writing unit tests with MS-Test and NUnit, as well as application performance optimization.

EDUCATION

Bachelor of Science in Computer Science 08/2010 – 05/2014 Gainesville, Florida

University of Florida

PROFESSIONAL EXPERIENCE

Sr. .NET Engineer / Team Lead

United Health Group Aug 2019 – Sep 2025 Minnetonka, MN, USA

• Led and coordinated the HealthNet Management Platform (HMP) project, a healthcare enterprise-level solution, leading the scoping, design and implementation of responsive web applications, secure API integrations, and cloud architectures that enable seamless care and interoperability of patient information.

• Designed & developed well engineered backend systems using 5. NET Core 3.1 to. NET 8, for the healthcare applications that require scalability, security and performance.

• Led the conversion of a monolithic, on-premise health care system to a cloud-native microservices architecture, using .NET 6, Docker, and EKS, all of which provided better deployment cadence, system uptime, and scalability.

• Utilized advanced features such as middleware pipe-lining, dependency injection and asynchronous programming to improve the backend architecture of the platform.

• Used modern C# features to implement effective, maintainable, and clean backend logic for complex healthcare workflows, including pattern matching, records, and LINQ.

• Modernized legacy components that were running on VB.NET, WCF, and .NET by refactoring into RESTful APIs with ASP.NET Core and C#, and provided endpoints to work with, that could be fully integrated with modern front-end frameworks and cloud services such as Amazon S3 and Redis Cache.

• Designed and created RESTful APIs using C# 9.0 to C# 11.0 and ASP.NET Core 5/6, mapped data in Neo4j and MongoDB to improve data manipulation and retrieval, and included HIPAA and HL7 measures for healthcare data exchange

• Used the CQRS and Event Sourcing patterns in a healthcare platform running on .NET Core; used these patterns to separate reads from writes with the goal of optimizing scalability and providing rich audit logging of patient interactions.

• Used Entity Framework Core (EF Core) with Code-First Migrations design and configure relational data models to manage patient records and medical workflows, and implement transactional integrity while ensuring performance tuning.

• Developed and maintained WCF services for secure data exchange that utilized SOAP communication for interfacing legacy and new systems while providing interoperability and data integrity in distributed applications.

• Developed microservices in .NET Core 6 and .NET 7, deployed to AWS Fargate and Lambda, implemented infrastructure as code in CloudFormation, and optimized for high availability of critical healthcare APIs while minimizing costs.

• Designed event-driven workflows in which patient data streams were processed asynchronously using Kafka or RabbitMQ as a back end, allowing real-time synchronization across distributed services. Used this architecture to lower the care coordination latency by 40%.

• Optimized performance of WCF services through padding and throttling settings, increasing data throughput and decreasing latency in times of peak utilization with healthcare records.

• Controlled messaging and event processing with Kafka that allow data to be synchronized best across distributed microservices, while providing message durability and fault tolerance.

• Deployed applications using Docker containers, .NET Core 5/6, in Azure Kubernetes Services (AKS) for high availability and flexibility/access to resources.

• Integrated other AWS services, including S3 for document-managed storage, RDS (SQL Server) when managing transactional health data, and ElastiCache (Redis) for low-latency lookups and access, to improve both performance and reliability of core patient modules.

• Architected RESTful APIs using ASP.NET Core and C#, secured access as well as authenticated access using JWT and Auth0 for secure patient data in the health care application with single sign-on (SSO).

• Helm the migration to micro front-end architecture that segmented a monolithic front-end project into, multi-installable, independently deployable, independently versioned applications. By breaking out the front-end this way, it improved the team's autonomy and velocity of CI/CD.

• Improved state management with angular by adding NgRx, introduced Redux for react, and began to explore Vuex for Vue in order to explode consistent state through the interfaces.

• Used LaunchDarkly to provide feature flagging across our micro front-end modules; this allowed us to safely release new features, manage A/B testing, and quickly rollback in our patient-facing applications.

• Implemented Module Federation (Webpack 5) in our health platform so that all independent front-end components could be dynamically loaded, enabling patient modules to scale independently and integrate seamlessly.

• Maintained strict adherence to HIPAA compliance through the implementation of security best practices and regulatory requirements for all healthcare applications, ensuring end-to-end patient privacy and data integrity.

• Created complex business process flow diagrams on MS Visio to drive business process optimization and to improve organization and clarity in operations.

• Applied AWS Lambda as a serverless computing solution implementing Python microservices to support on-demand data processing workflow in AWS.

• Successfully deployed web applications to AWS EC2 using ECS to support web based hosting configured on IIS 7.0 for robust and scalable web-based solutions.

• Implemented JWT (JSON Web Tokens) with OAuth 2.1 designed workflows that facilitated secure user authentication and authorization for distributed systems.

• Implemented Twilio API for real-time communication functionality such as SMS notifications and alert systems.

• Implemented complex drag-and-drop functionality using React-Draggable to support a highly interactive user experience.

• Used Terraform, AWS CloudFormation, and Azure Resource Manager (ARM) templates for Infrastructure as Code (IaC) to help reduce time and complexity in managing cloud infrastructure.

• Used AWS CloudWatch and Azure Monitor for monitoring and logging system events and performance. These services allowed for real-time monitoring and alerting to proactively identify and troubleshoot system issues.

• Integrated OAuth 2.0 and OpenID Connect using ASP.NET Core Identity to provide an authorization and authentication protocols. Also, secured private communications using SSL/TLS.

• Used Prometheus and Grafana to help observe application performance and visualize metrics of containerized .NET Core applications in real-time.

• Deployed the ELK stack (Elasticsearch, Logstash, Kibana) to centralize logging and monitor errors.

• Used NuGet and created unit tests using NUnit, xUnit, Moq, Jasmine, and Karma.

• Conducted code reviews and had discussions in collaboration using Bitbucket, so that as a development team, we could continuously improve code quality, reduce bug production, and accomplish shared goals.

• Mentored junior developers on .NET Core 3.1 to .NET Core 8.0 (C#),.container technology (Docker), and orchestration technology (Kubernetes); to build expertise and collaboration on the team

• Led Agile ceremonies, including sprint planning (using Jira), daily stand-ups (with Microsoft Teams), and retrospectives (facilitated through Confluence and Miro), ensuring continuous improvement and alignment within the development team.

Sr. .NET Full Stack Developer

Citizens Bank Aug 2016 – May 2019 Providence, RI, USA

• Designed and built a microservices architecture for Global Loyalty Rewards Platform( GLRP) using C#, .NET Framework 4.6 and .NET Core 1.0 as its core technology stack, optimizing for scalability and performance for loyalty and rewards programs across both international and U.S. market segments.

• Developed responsive user interfaces with AngularJS, Angular 1/2 and React 15, integrating the frontend with the backend services driven by .NET and ASP.NET Core.

• Developed reusable components using Angular and React resulting in a modular frontend architecture from a .NET backend driving the user experience with a focus on high maintainability.

• Integrated RabbitMQ with ASP.NET Core backend services, creating an event driven model utilizing real-time messaging for communication between services that enhances system efficiency for transaction processing.

• Developed custom modules in Dynamics AX utilizing X++ for Financial reporting purposes, improving system usability and simplifying the delivery of reporting as a function of scenarios.

• Sitecore Content Management: Managed the content, user experience and digital content delivered from Sitecore and integrated with backend services.

• Migration of legacy .NET Framework Applications to reference architectures to improve security due to modern compliance protocols.

• Integrated Microsoft Dynamics 365 with .NET services to allow seamless access to customer relationship data and improve the capabilities of loyalty platforms.

• Integrated Sharepoint with .NET applications for document management and collaboration while allowing users to store content safely and in an organized way based on their team project.

• Data transformation and mapping: designed processes, converting legacy data formats into optimized schemas used by modern .NET services.

• Managed the project to migrate many Dynamics AX customizations to Dynamics 365 F&O with minimal downtime and use of appropriate compatibility with their new features.

• Utilized Azure Virtual Machines (VMs), Azure Virtual Networks and Azure Subnets to deploy and scale backend services built with C#, and guaranteed high availability and secure infrastructure.

• Designed and built C#-based microservices using .NET Core 1.0 and deployed them in Azure to improve the scalability and reliability of solutions across multiple environments..

• Managed the application state using Redux with front end frameworks to ensure seamless flow of data between front end components to ASP.NET Core APIs.

• Developed a collection of backend services in C# with ASP.NET Core that handled high volume transaction processing and submitted messages for real-time data from sources like RabbitMQ and Kafka.

• Used Behavior-Driven Development (BDD) with Cucumber as the interface testing mechanism with framework around C# and .NET to assure that the applications implemented business logic correct.

• Used Azure Functions and AWS Lambda for serverless processing while connecting C# backend logic to allow specific business processes to scale.

• Managed on-premise deployments through OpenShift and provided integration of C# and .NET services that complied with American Express's security measures for handling financial data.

• Deployed containerized C# services using .NET Core by packaging applications using Docker and Kubernetes so that they run wherever, be it on-premise or in an environment.

• Containerized and orchestrated microservices using Docker and Kubernetes so that the management of integrating C# and .NET based services into on-premise and cloud environments could be managed more easily.

Full Stack Developer

ProArch Jul 2014 – Jun 2016 Savannah, GA, USA

• Business Optimization Tool(POT): Spearheaded the design, development, and deployment of a web-based application tool using C#, ASP.NET MVC, and SQL Server to drive business outcomes by streamlining operations and enhancing customer interactions.

• Agile Practitioner: Applied Agile Methodology to deliver iterative progress, ensuring alignment with evolving client requirements and rapid time-to-market.

• Rich, Responsive UI Design: Developed visually compelling and interactive user interfaces with HTML5, CSS3, Bootstrap, JSON, AJAX, and jQuery, elevating user engagement and accessibility.

• Reusable Framework and WCF Services: Built a reusable framework on ASP.NET MVC 4.0 and developed secure WCF services, including data, operation, and message contracts for seamless communication across systems.

• Reusable Component Integration: Implemented reusable components with Angular and React, creating a modular frontend architecture that integrated with .NET backend services, ensuring high maintainability and scalability.

• Integrated RabbitMQ with ASP.NET backend services, enabling real-time messaging and communication between services for efficient transaction processing and data synchronization.

• Salesforce Integration: Integrated Salesforce data with .NET services, enabling seamless data flow between the CRM and internal platforms for optimized client management.

• Developed custom Salesforce Lightning components to enhance the user experience, delivering tailored features that met business needs and client specifications.

SKILLS

Programming Languages:

Backend: C#, VB.NET, T-SQL, Java, Python, TypeScript

Frontend: JavaScript, TypeScript, HTML5, CSS3, SCSS

Frameworks & Technologies:

Backend: .NET Core (1.0–8.0), ASP.NET Core, Web API, Entity Framework Core, Java (11+), Spring Boot 3

Frontend: Angular (1–16), React (15–18), Vue.js (2/3), Blazor

Message Queuing: RabbitMQ, Kafka

API Development: RESTful APIs, WebRTC, Twilio API

Authentication & Security: JWT, OAuth 2.0/2.1, OpenID Connect, SSL/TLS, HIPAA, HL7

Testing: xUnit, Selenium, NUnit, MSTest

Development Practices: Test-Driven Development (TDD), Behavior-Driven Development (BDD), Agile, Scrum

Cloud & DevOps:

Cloud Platforms: Microsoft Azure, Amazon Web Services (AWS)

Azure Services: Azure Kubernetes Service (AKS), Azure App Service, Azure Functions, Azure Service Bus, Azure Blob Storage, Azure Redis Cache, Azure SQL Database

AWS Services: AWS Lambda, AWS S3, AWS RDS, AWS DynamoDB

Containerization: Docker, Kubernetes, OpenShift

Infrastructure as Code (IaC): Terraform, AWS CloudFormation, Azure Resource Manager (ARM)

CI/CD: Azure DevOps, GitHub, Jenkins, TFS, Git, PowerShell, Bash scripting

Database Management:

SQL Server, MongoDB, PostgreSQL, Neo4j

Database performance optimization (indexing, partitioning, query caching)

Monitoring & Logging:

ELK Stack (Elasticsearch, Logstash, Kibana), Prometheus, Grafana, AWS CloudWatch, Azure Monitor

Development Tools & IDEs:

IDEs: Visual Studio 2022, Visual Studio Code, IntelliJ IDEA, Rider, Eclipse

Version Control: Git, GitHub, GitLab, TFS, Bitbucket

Project Management: JIRA, Azure Boards, Trello, Rational Team Concert (RTC)

Build Tools: MSBuild, Maven, Gradle

Collaboration: Microsoft Teams, Slack, Zoom

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