C# Hands-On

SHANNON FLUELLEN

218-***-**** *******.*****@*******.*** https://www.linkedin.com/in/shannon-fluellen-290402386/ Houston, TX, 77041 SUMMARY

I am a full-stack developer with over 12 years of experience building web and cloud applications across healthcare, finance, and SaaS. My background includes strong skills in .NET (Core, C#, VB.NET, MVC, Blazor), Angular (2–19+), React, TypeScript, JavaScript, HTML/CSS, Bootstrap, and SQL, along with cloud expertise in Azure and AWS (Functions, App Services, Service Bus, Blob Storage, Lambda, S3, SQS, SNS). I have led end-to-end projects covering architecture, development, UI/UX design, testing, and support, and I am skilled at troubleshooting and optimizing performance. EXPERIENCE

Senior Full Stack Engineer/Software Architect 03/2021 to Current Microsoft, Texas, TX, Remote

● Performed extensive coding in Microsoft .NET, using C# and ASP.NET, in a web-based environment.

● Designed cost-effective solutions to map HL7 medical record data into custom Azure SQL schemas using Azure Functions, Blob Triggers, and Azure Storage, exposing REST APIs for file transfers.

● Utilized Google Cloud Platform (GCP) to host SPAs with Apache/nginx, implementing GCP client libraries for .NET Core integration.

● Developed a multi-thread application with high performance and availability to process alarm events from about 40,000 clients and millions of events per day using .NET Core, SQL Server, and RabbitMQ.

● Involved in the Design, Development, and Testing of Windows Forms, Web Forms, and Web Services using IIS, ASP.NET, XML Dataset, and .NET Framework.

● Implemented Azure DevOps, trained the team, and worked on configuring CI/CD pipelines for all projects, including legacy projects in VB6.

● Developed a sales web portal to automate the entry of a new customer with approval flows and credit analysis. Used .NET and SQL Server.

● Created the default architecture—project structure and application skeleton—using domain-driven design for the new .NET projects.

● Developed a modern software suite in .NET 7/8 with Azure Serverless Architecture with a React frontend, resulting in a +29% improvement in system performance, as evidenced by a 23% reduction in response times and a 17% increase in system reliability.

● Established MySQL and Elasticsearch API unit test frameworks with in-memory databases for efficient and comprehensive testing.

● Implemented an in-memory caching solution (LRU with TTL) for efficient retrieval from SQL Server and Cosmos DB, integrated with REST APIs for cache management.

● Designed and maintained CI/CD pipelines with Azure DevOps and YAML, streamlining deployments.

● Architected and delivered migration of legacy .NET 4.0 applications to modern stacks (ASP.NET Core, Angular, DevOps, Azure).

● Developed reusable Angular component libraries with Material themes, standalone components, and accessibility support for web and mobile.

● Tuned and optimized multiple T-SQL stored procedures, SSIS packages, and SSRS reports with dashboard/e-signature integration.

● Worked extensively on CFR, CFRWeb, CFRMS (tax/government compliance systems) requiring frequent rule and policy updates, modernizing UI and backend layers.

● Migrated projects across Angular versions (14/15/16/17/18) and legacy .NET 4.0 services to WebAPI .NET Core, integrating with complex Oracle databases.

● Designed and delivered Blazor dashboards for application tracking, grant processes, and document/task management.

● Created Azure Databricks ETL pipelines for large healthcare datasets, integrating SQL Server, Cosmos DB, and cloud storage.

● Migrated entire systems to new Azure tenants, reconfigured Azure AD authentication, and led large-scale Cosmos DB migrations.

● Designed microservices and APIs using .NET 5/6, RabbitMQ, SQL Server, and Docker/Kubernetes, improving scalability and performance.

● Implemented Azure B2C custom policies to support 20,000+ mobile app users with secure registration/authentication.

● Built REST APIs for payment integrations, business workflows, and monitoring services, leveraging .NET Core, AWS Fargate, ECS, and Docker.

● Created PWA web applications with offline capability (IndexedDB, Firebase push notifications), supporting scientific research data entry and sharing.

● Reduced webpage load time from 30s to milliseconds by optimizing EF6 and stored procedure mappings.

● Developed multi-threaded high-performance applications to process millions of daily events using .NET Core, RabbitMQ, and SQL Server.

● Enhanced API security with four-tier controls: signature-based headers, time-based validity, permission checks, and JWT token authorization.

● Led Azure/AWS DevOps initiatives, designing automated workflows, monitoring (Prometheus, Grafana), and HIPAA-compliant healthcare applications.

● Provided technical leadership, reviewing designs, creating coding standards, mentoring team members, and guiding architecture decisions.

Environment: C#, .NET, ASP.NET, .NET Core, MySQL, Blazor, Windows Forms (WinForms), VBScript, Azure, Microservices, Angular, React, Azure DevOps, Azure Pipelines, WebSockets, CI/CD Pipelines, REST APIs, CSS3, Responsive Web Design (RWD), Front-end, Cloud, ASP.NET Web Form, Solution Architecture, Data Architecture, Data Engineering, APIs, Databases, DB, Mentoring, NPM, System Design, Software Design, Microservices Architecture, Git, Source Tree, SQL Server Integration Services (SSIS), Microsoft Power BI Senior Full Stack Engineer 08/2015 to 02/2021

Medtronic, Minneapolis, MN

● Architected and developed Angular 2–11 applications using TypeScript, Angular CLI, RxJS, SCSS/SASS, Bootstrap 3/4, ngxCharts, ngxBootstrap, and Material, implementing lazy loading, animations, dynamic forms, and reusable components.

● Built complex UI portals for mortgage campaign management, including dashboards, campaign lifecycle workflows, email/letter drafting, analysis, cloning, reporting, and impact assessments.

● Designed and developed merchandiser product dispatch dashboards with real-time KPIs, driver route monitoring, store delivery status, mileage tracking, photo uploads, and time-sensitive alerts.

● Implemented a robust CI/CD for a .NET 5 project, employing YAML specifications. Automated builds, ran tests, and generated coverage reports. Docker images published on Amazon ECR and Nexus facilitated seamless deployment on Amazon ECS.

● Implemented admin planning systems with Angular calendar/scheduling features for route management, merchandiser assignments, and real-time updates.

● Created navigation systems with role-based access control (RBAC), security models, and visual process indicators to support multi-region, multi-zone operations.

● Developed RESTful WebAPI services in .NET Core 2–5, MVC 5/6, and C#, integrated with SQL Server and Oracle; wrote optimized T-SQL stored procedures, SSIS packages, and EF6/EF7 queries.

● Migrated solutions across Angular versions (2 Beta 2.4 4.x 6 9 11), resolving CLI and dependency issues during upgrades.

● Designed and maintained SCSS themes, SASS variables, media query utilities, and reusable directives/pipes, enabling consistent branding across multiple applications.

● Integrated Google Maps, FullCalendar, Rich Text Editor, AutoComplete, Date/Color Pickers, and File Upload using Angular libraries and npm packages.

● Delivered Progressive Web Applications (PWAs) with service workers, IndexedDB for offline storage, and responsive design for iPhone/iPad devices.

● Created component libraries and generic Angular modules to accelerate development across projects.

● Architected and developed multi-language international public transit applications, including passenger portals, staff dashboards, and operations portals, with responsive design, globalization, external login (Facebook, Twitter, Microsoft, Google), and hybrid environments (Razor + Angular).

● Built and deployed applications on Azure Cloud, configured DevOps pipelines, managed Git repositories, and supported CI/CD with automated workflows.

● Mentored and trained junior to senior developers (8–16 team members) in Angular 2–8 best practices, architecture, and coding standards; created unit testing projects and trained QA teams.

● Collaborated closely with Visual Design teams, Architects, and Project Managers to deliver highly complex UI/UX applications selected as Top 3 Projects of the Year within the organization.

● Configured and deployed hybrid .NET Core + Angular solutions with EF7 entities, repository pattern, DAL, WebAPI, security layers, and modular project structures.

● Used Jira for backlog tracking, sprint planning, and bug resolution; provided technical leadership in Scrum ceremonies.

Environment: C#.NET, Amazon CloudFront CDN, Amazon S3 (AWS S3), Microservices, Windows Communication Framework (WCF), REST APIs, Code Architecture, ASP.NET Web Forms, Azure DevOps, Node.js, WebPhone, Windows Forms (WinForms), .NET Core, MongoDB, React, Angular, TypeScript, JavaScript, Microsoft SQL Server, ASP.NET, .NET, C#, EDI, NPM

Software Engineer 11/2013 to 07/2015

JPMorganChase, New York, NY

● Worked as part of a 20-member Agile Scrum team, delivering high-priority projects on tight deadlines within sprint-based cycles.

● Designed and developed responsive UI components (menu, breadcrumb, header, footer, sitemap, sidebars) using Razor 2, HTML5, CSS3, Bootstrap 3, Media Queries, and jQuery.

● Built an interactive Jobseeker Dashboard with résumé/document upload, job alerts, job search, saved jobs, and document management features.

● Created Master Pages and integrated security, authentication, and role-based authorization with URL routing.

● Enhanced and developed new WCF services and ASP.NET WebAPI endpoints to support evolving business requirements.

● Built complex single-page UI components with AJAX, JSON, jQuery, JavaScript, and SVG for real-time charts and data visualizations.

● Developed and optimized MVC 4/5 applications with layered architecture (Views, ViewModels, Controllers, Repository, Entity, Domain, Data Access).

● Designed and modified SSRS reports for financial operations (cash balance, summary reporting) and enhanced SSIS/SSAS packages for ETL and finance data transfers.

● Implemented Entity Framework 4.3 / 5.0, LINQ to Entities, and LINQ to SQL with lambda expressions and extension methods.

● Applied key design patterns and frameworks: Generic Repository, Unit of Work, Dependency Injection (IOC), MVVM, AutoMapper, ELMAH logging, T4 Templates, and JSON extensions.

● Enhanced and refactored AngularJS 1.x components (modules, routes, services, factories, filters, directives) for an Insurance Agent Management System.

● Used jQuery plugins (Mustache.js, Require.js, Knockout.js, Bootstrap UI) and NuGet packages to enrich UI and improve developer productivity.

● Worked in HP Quality Center for defect/bug tracking and SharePoint 2010 with TFS for task, document, and project management.

● Designed Admin and Reporting tools using MVC 4/5 with Razor 2, applying one-page design patterns and reusable layouts.

● Optimized the SQL database schema to reduce the response time of C# APIs for Business logic.

● Built responsive web applications with next-generation mobile-first design principles, ensuring cross-browser and cross-device compatibility (smartphones, tablets, iPads).

● Created a new UI for tablet users with ASP.NET MVC Razor. Environment: Angular, HTML5, Service-oriented Architecture (SOA), Microsoft SQL Server, Model View Controller

(MVC), C#, TFS, Architecture, HTML, Redux, Webpack, .NET, Full-stack, Networks, CI/CD Pipelines, REST APIs, Responsive Web Design (RWD), Front-end, ASP.NET, Cloud, Solution Architecture, Headless Software, Data Architecture, Data Engineering, APIs, Data, Databases, Integration, BizTalk EDUCATION

Bachelor of Science: Computer Science 05/2013

The University of Texas at San Antonio United States SKILLS

● Languages: C#, T-SQL (Transact-SQL), XML,

HTML5, CSS, JavaScript, SQL, C#.NET, HTML,

CSS3, TypeScript, XHTML, Sass, GraphQL,

Python, PHP, Visual Basic, Less, VBScript

● Frameworks: .NET, .NET Core, ASP.NET MVC,

Entity, Kendo UI, AngularJS, ASP.NET, Angular,

Bootstrap, Redux, NUnit, Unity, Windows

Communication Framework (WCF), Titanium,

Classic ASP, Knockout (Knockout.js), OAuth 2,

ASP, Biztalk, Blazor

● Paradigms: Continuous Integration (CI), Continuous Delivery (CD), REST, Service-oriented Architecture

(SOA), Agile, DevOps, Responsive Web Design

(RWD), ETL, Unit Testing, Agile Product

Management, Scrum, Kanban, Test-driven

Development (TDD), Azure DevOps, Model View

Controller (MVC), Microservices

● Platforms: AWS Lambda, Amazon Web Services

(AWS), Azure, Docker, Kubernetes, Windows,

Salesforce, Oracle, ZNode, Twilio, Arduino,

Raspberry Pi

● Tools: Git, TFS, GitHub, NPM, Stylus, Amazon

Simple Queue Service (SQS), Webpack, Visual

Studio, Kentico, Flyway, TNet Strings, SendGrid,

Windows Azure SDK, GitLab CI/CD, AWS Simple

Notification Service (SNS), Visual SourceSafe,

Subversion (SVN), IBM Watson, Jira, Confluence,

Slack

● Libraries/APIs: REST APIs, Web API, jQuery,

Sockets, Salesforce API, Node.js, Vue, React,

CyberSource, Google Calendar API, Vuex,

Windows Forms (WinForms)

● Storage: OLTP, Oracle SQL, JSON, PostgreSQL,

Redis, Databases, MySQL, Memcached,

Couchbase, Amazon S3 (AWS S3), Elasticsearch,

Oracle PL/SQL, Microsoft SQL Server, PL/SQL,

Azure

Active Directory, NoSQL, Azure Cosmos DB, IBM

Db2, MongoDB

● Other: User Interface (UI), User Experience (UX), Message Queues, APIs, HTTP REST, Messaging,

SOAP, Full-stack, Front-end Development,

Software Development, Architecture, SaaS, CI/CD

Pipelines, Front-end, Cloud, CTO, Solution

Architecture, Headless Software, Content

Management Systems (CMS), Data Architecture,

Data Engineering, Data, Data Scraping, Web

Scraping, Integration, IT Project Management,

Technical Project Management, Serverless, Single-

page Applications (SPA), AWS DevOps, Business

Strategy, Startup Consulting, Networks, ChatGPT,

OpenAI GPT-3 API, OpenAI GPT-4 API,

DocuSign, Kepware Server (PLC Integration),

Aurigma, DOM, Scripting, PDF Scraping,

DocumentDB, Okta, Outlook, TCP/IP, UDP,

Sitecore, PLC, RPC, Single Sign-on (SSO),

Enterprise Service Bus (ESB), Azure Pipelines,

WebSockets, Firmware

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