I am a Senior .NET Full Stack Developer with over 8 years of experience designing, developing, and deploying scalable web and desktop applications across healthcare, finance, and retail industries. I am proficient in technologies like .NET Core, C#, React.js, Angular, Blazor, and Azure DevOps, with a strong focus on backend development, cloud-native solutions, and security best practices. I enjoy working on modernizing enterprise applications and delivering secure, high-performing solutions using microservices architecture, containerization, and continuous integration/deployment pipelines. Collaboration and agile methodologies are important to me, and I strive to create responsive and user-friendly experiences through clean, maintainable code.

Swapna Challa

I am a Senior .NET Full Stack Developer with over 8 years of experience designing, developing, and deploying scalable web and desktop applications across healthcare, finance, and retail industries. I am proficient in technologies like .NET Core, C#, React.js, Angular, Blazor, and Azure DevOps, with a strong focus on backend development, cloud-native solutions, and security best practices. I enjoy working on modernizing enterprise applications and delivering secure, high-performing solutions using microservices architecture, containerization, and continuous integration/deployment pipelines. Collaboration and agile methodologies are important to me, and I strive to create responsive and user-friendly experiences through clean, maintainable code.

Available to hire

I am a Senior .NET Full Stack Developer with over 8 years of experience designing, developing, and deploying scalable web and desktop applications across healthcare, finance, and retail industries. I am proficient in technologies like .NET Core, C#, React.js, Angular, Blazor, and Azure DevOps, with a strong focus on backend development, cloud-native solutions, and security best practices.

I enjoy working on modernizing enterprise applications and delivering secure, high-performing solutions using microservices architecture, containerization, and continuous integration/deployment pipelines. Collaboration and agile methodologies are important to me, and I strive to create responsive and user-friendly experiences through clean, maintainable code.

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Experience Level

Expert
Expert
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Expert
Expert
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Expert
Expert
Expert
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Expert
Expert
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Intermediate
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Language

English
Fluent

Work Experience

Sr .Net Full Stack Developer at Humana
November 1, 2024 - Present
Developed RESTful APIs using .NET Core for microservices architecture, implementing OAuth and token-based authentication for secure sessions. Created Angular 16 components with responsive Bootstrap themes. Built Web API controllers integrated with Azure SendGrid for message tracking. Containerized .NET microservices using Docker and managed deployments with Kubernetes, improving cloud infrastructure reliability and scalability. Automated CI/CD pipelines through Azure DevOps incorporating security scans. Utilized RestSharp for third-party API integrations. Managed Oracle PL/SQL systems ensuring data accuracy and developed ETL processes via C# and SSIS. Led Power BI dashboard development with embedded ArcGIS maps to support location-based analytics. Developed custom async modules using TPL and singleton patterns.
Sr .Net Developer at ADT
September 30, 2024 - July 10, 2025
Engineered dynamic SPAs with React.js, Redux, TypeScript, leveraging Webpack and Grunt for maintainable frontends. Modernized legacy WPF apps with MVVM and Entity Framework backed by SQL Server and WCF. Developed reusable React components and integrated React with Blazor using interop techniques. Built scalable microservices on ASP.NET Core Web API secured with JWT and Azure Active Directory RBAC. Created automated CI/CD pipelines using Azure DevOps YAML configurations. Configured Splunk logging infrastructure with Serilog and Log4Net. Used Node.js and Express.js middleware to streamline REST API services. Designed responsive UIs using Bootstrap and added location-based features via Google Maps API. Wrote complex PL/SQL and T-SQL stored procedures supporting transactional and analytics workloads. Conducted secure code reviews addressing vulnerabilities like XSS, SQL Injection, and CSRF.
Sr .Net Developer at Charles Schwab
March 1, 2022 - July 10, 2025
Migrated legacy VB.NET desktop applications to modern C# .NET Windows Forms and Blazor Server architectures with dependency injection. Created reusable React.js components with TypeScript and Redux consuming secured REST APIs with JWT interceptors for SSO support. Developed scalable ASP.NET Core Web APIs and integrated Kusto Query Language and Cosmos DB analytics into Power BI for real-time trading reporting. Implemented asynchronous workflows using RabbitMQ. Strengthened application security through parameterized PL/SQL queries and OWASP-compliant secure coding practices.
.Net Desktop Developer at Sprouts Farmers Market
May 31, 2020 - July 10, 2025
Developed C# .NET Windows Forms and WPF applications for inventory and vendor order management with multi-threaded event-driven UI. Migrated jQuery components to ReactJS using TypeScript and ES6+ improving scalability. Integrated React components with desktop apps via WebView2. Built RESTful APIs with ASP.NET Web API using OAuth 2.0 authentication. Created NUnit test suites and maintained PL/SQL and T-SQL procedures supporting pricing and inventory modules.
.Net Developer at Kohl’s
May 31, 2018 - July 10, 2025
Participated in requirement analysis, design, and prototyping. Built data access layers using ADO.NET components. Developed interactive data tables with Bootstrap and AngularJS. Designed UI components using ASP.NET Web Forms with Master Pages and Themes. Applied C# state management techniques. Integrated AJAX and JavaScript for improved UI responsiveness. Conducted User Acceptance Testing and supported deployments.
Sr .Net Full Stack Developer at Humana
November 1, 2024 - Present
Developed RESTful APIs using .NET Core supporting microservices architecture for scalable communication between services. Implemented OAuth and token-based authentication with refresh tokens for secure session handling. Created Angular 16 components integrated with Bootstrap themes for responsive UI. Built Web API controllers using SendGrid SDK, containerized microservices with Docker, and managed deployments via Kubernetes. Automated CI/CD pipelines using Azure DevOps with security scans. Led Oracle PL/SQL and VB.NET system architecture, developed ETL processes with C# and SSIS, and created Power BI dashboards with embedded ArcGIS for real-time analytics. Developed custom C# modules using TPL and singleton patterns for async operations and logging.
Sr .Net Developer at ADT
September 30, 2024 - July 10, 2025
Engineered dynamic SPAs using TypeScript, React.js, Redux, and module bundlers to deliver responsive front-end solutions. Modernized legacy WPF apps with MVVM, XAML, LINQ, and Entity Framework integrating SQL Server and WCF. Developed reusable React components with hooks, integrated React and Blazor through interop techniques, and built scalable ASP.NET Core Web APIs with JWT authentication and Azure AD RBAC. Implemented CI/CD pipelines using Azure DevOps. Managed Splunk logging and infrastructure, configured Node.js middleware for API integration, and designed responsive UIs with Bootstrap and Google Maps API. Developed complex PL/SQL and T-SQL stored procedures for transactional and analytical needs. Conducted secure code reviews and applied secure coding standards.
Sr .Net Developer at Charles Schwab
March 1, 2022 - July 10, 2025
Migrated legacy VB.NET desktop applications to modern C# .NET Windows Forms and Blazor Server architecture using dependency injection and service layers. Built reusable React.js components with TypeScript and Redux, and developed scalable ASP.NET Core Web APIs with centralized error handling. Integrated KQL and Cosmos DB queries into Power BI for real-time trading reports. Created interactive dashboards with ReactJS and Material UI. Implemented RabbitMQ asynchronous workflows for trade confirmations. Enhanced security using PL/SQL parameterized queries and OWASP-compliant checks with Burp Suite and OWASP ZAP tools.
.Net Desktop Developer at Sprouts Farmers Market
May 31, 2020 - July 10, 2025
Developed C# .NET Windows Forms and WPF apps for inventory and vendor order management employing multi-threaded event-driven design. Migrated jQuery components to modern ReactJS with TypeScript and ES6+. Integrated React with desktop apps via WebView2 for dynamic form layouts. Built secure RESTful APIs using ASP.NET Web API with OAuth 2.0 authentication. Created NUnit unit and regression tests maintaining CI/CD test coverage. Maintained PL/SQL and T-SQL procedures supporting pricing, inventory reconciliation, and data validation modules.
.Net Developer at Kohl’s
May 31, 2018 - July 10, 2025
Participated in analysis, design, prototyping, and effort estimation. Developed data access layers using ADO.NET components for efficient SQL Server data operations. Implemented interactive data tables and grids using Bootstrap and AngularJS for SPA client applications. Designed UI components with ASP.NET Web Forms, Master Pages, and CSS. Applied C# server-side state management (session, application, profiles). Enhanced UI responsiveness through AJAX and JavaScript with client-side validation and partial page updates. Supported UAT and SIT testing, deployment, and production issue resolution.

Education

Bachelors at JNTU, India
January 1, 2001 - December 31, 2004
Bachelors at JNTU, India
January 1, 2015 - December 31, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Healthcare, Financial Services, Retail, Software & Internet