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I’m a Senior Full Stack .NET Developer with about 10 years of experience building and modernizing enterprise applications across banking, healthcare, and insurance domains. My core strength is backend development using .NET Core, ASP.NET Web API, C#, and SQL Server, but I’m equally strong on the UI side with Angular and React. In recent years, I’ve been working heavily with cloud-native architectures on both Azure and AWS—building microservices, event-driven systems, and secure APIs. Right now, at Mastercard, I’m working on a multi-tenant data observability and automated maintenance platform where reliability, performance, and security are critical.…I’m a Senior Full Stack .NET Developer with about 10 years of experience building and modernizing enterprise applications across banking, healthcare, and insurance domains. My core strength is backend development using .NET Core, ASP.NET Web API, C#, and SQL Server, but I’m equally strong on the UI side with Angular and React. In recent years, I’ve been working heavily with cloud-native architectures on both Azure and AWS—building microservices, event-driven systems, and secure APIs. Right now, at Mastercard, I’m working on a multi-tenant data observability and automated maintenance platform where reliability, performance, and security are critical.

Krishna Vamsi Chelluboina

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

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I’m a Senior Full Stack .NET Developer with about 10 years of experience building and modernizing enterprise applications across banking, healthcare, and insurance domains. My core strength is backend development using .NET Core, ASP.NET Web API, C#, and SQL Server, but I’m equally strong on the UI side with Angular and React. In recent years, I’ve been working heavily with cloud-native architectures on both Azure and AWS—building microservices, event-driven systems, and secure APIs. Right now, at Mastercard, I’m working on a multi-tenant data observability and automated maintenance platform where reliability, performance, and security are critical.…I’m a Senior Full Stack .NET Developer with about 10 years of experience building and modernizing enterprise applications across banking, healthcare, and insurance domains. My core strength is backend development using .NET Core, ASP.NET Web API, C#, and SQL Server, but I’m equally strong on the UI side with Angular and React. In recent years, I’ve been working heavily with cloud-native architectures on both Azure and AWS—building microservices, event-driven systems, and secure APIs. Right now, at Mastercard, I’m working on a multi-tenant data observability and automated maintenance platform where reliability, performance, and security are critical.

Available to hire

I’m a Senior Full Stack .NET Developer with about 10 years of experience building and modernizing enterprise applications across banking, healthcare, and insurance domains.
My core strength is backend development using .NET Core, ASP.NET Web API, C#, and SQL Server, but I’m equally strong on the UI side with Angular and React.
In recent years, I’ve been working heavily with cloud-native architectures on both Azure and AWS—building microservices, event-driven systems, and secure APIs.
Right now, at Mastercard, I’m working on a multi-tenant data observability and automated maintenance platform where reliability, performance, and security are critical.

Skills

Experience Level

Expert

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Intermediate

Language

English

Fluent

Work Experience

Senior Full Stack Dot Net Developer at Capital One

June 1, 2023 - Present

Led Agile SDLC execution and developed .NET 8 applications for loan origination and automated approval workflows. Architected Microservices with ASP.NET Core Web API and built high-throughput secure RESTful APIs integrated with payment gateways. Created SPAs using Angular 13/14 and reusable UI components with Stencil.js and SCSS. Developed WPF desktop applications and automated ETL workflows for real-time analytics. Deployed microservices on AWS with Lambda, API Gateway, and Elastic Beanstalk using SNS, SQS, and Apache Kafka. Secured APIs using OAuth 2.0, JWT, SSL/TLS, and RBAC. Built CI/CD pipelines in Azure DevOps utilizing Docker and Kubernetes. Mentored junior developers and implemented observability with Log4Net.

Full Stack Dot Net Developer at Careington

May 31, 2023 - August 15, 2025

Designed healthcare web applications on .NET 6 with HIPAA compliance, utilizing ASP.NET Core Web API, Entity Framework Core, and SQL Server 2019. Built responsive UI with Angular 12 and Razor Pages. Developed secure RESTful and WCF services with OAuth 2.0, JWT, and RBAC. Integrated FHIR-compliant APIs and GraphQL services to facilitate clinical data exchange. Used Azure services like Logic Apps, Service Bus, Blob Storage, and Functions for cloud-native solutions. Created ETL workflows with SSIS and reporting with SSRS. Employed NServiceBus for distributed messaging and automated builds with Jenkins and Azure DevOps. Maintained version control with GitHub and conducted testing using NUnit and Postman.

Full Stack Dot Net Developer at Corevitas

October 31, 2021 - August 15, 2025

Developed SPAs with Angular 9/10 and reusable UI components using Blazor Server and Razor Views. Designed and secured RESTful APIs and integrated GraphQL for unified data access in healthcare platforms. Managed healthcare data using FHIR APIs and HL7 interfaces. Implemented event-driven microservices architecture with Apache Kafka and NServiceBus. Secured authentication via OAuth 2.0, Azure AD, and Identity Server with RBAC. Deployed containerized applications on Docker and Kubernetes with OpenShift orchestration. Practiced BDD with NUnit and automated acceptance testing. Used GitHub and JIRA for source control and Agile sprint management.

Full Stack Dot Net Developer at AmFam

April 30, 2020 - August 15, 2025

Designed and developed claims processing automation modules with ASP.NET MVC 5 and .NET Framework 4.8 in an Agile setting. Built SPAs with Blazor WebAssembly, Angular 6/8, and integrated Telerik Kendo UI components. Migrated legacy front-end modules and optimized SQL Server 2016 database performance with stored procedures and triggers. Integrated MongoDB for hybrid data storage. Developed GraphQL APIs for core insurance data. Utilized Microservices and Apache Kafka for messaging and service coordination. Consumed external REST APIs and maintained ETL workflows with SSIS and reporting with SSRS. Automated testing with BDD frameworks and Azure DevOps CI/CD pipelines.

Software Developer at HSBC Bank

November 30, 2017 - August 15, 2025

Developed a financial account processing application using ASP.NET WebForms and .NET Framework 4.5. Built interactive UI features with HTML, CSS, JavaScript, and AJAX. Developed reusable business logic and data layers with ADO.NET and created WCF SOAP web services for enterprise integration. Managed backend data in PostgreSQL with optimized stored procedures and triggers. Implemented logging and exception handling for service monitoring. Conducted XUnit unit testing and used SVN and TFS for version control and collaboration. Followed Waterfall SDLC methodology across requirement gathering to deployment.

Senior Full Stack Dot Net Developer at Capital One

June 1, 2023 - Present

Led Agile SDLC execution, developing .NET 8 microservices for loan origination and automated workflows, creating secure REST APIs, and building reusable UI components in Angular and Stencil.js. Integrated .NET apps with Java Spring Boot, developed WPF internal tools, and automated ETL for real-time analytics. Deployed microservices on AWS with serverless and container orchestration. Implemented OAuth 2.0, JWT, and RBAC security. Built CI/CD pipelines with Azure DevOps, Docker, and SonarQube. Mentored junior developers and enhanced frontend consistency using Storybook.

Full Stack Dot Net Developer at Careington

May 31, 2023 - August 15, 2025

Designed HIPAA-compliant healthcare web applications using .NET 6, Entity Framework Core, and SQL Server 2019. Developed dynamic UIs with Angular 12 and Razor Pages. Created secure RESTful and WCF services with OAuth 2.0, JWT, and RBAC. Integrated FHIR and GraphQL APIs for EHR interoperability. Used Azure cloud services including Logic Apps, Service Bus, and Managed Identity. Automated ETL workflows and built healthcare reporting via SSIS and SSRS. Employed NServiceBus for distributed messaging and managed CI/CD with Jenkins, Azure DevOps, and Docker.

Full Stack Dot Net Developer at Corevitas

October 31, 2021 - August 15, 2025

Developed cross-browser SPAs with Angular 9/10 and Blazor Server for prescription services. Created reusable UI components and Razor views. Modeled healthcare entities using FHIR and HL7 standards in .NET Core. Wrote optimized T-SQL procedures for pharmaceutical reporting. Leveraged Apache Kafka and NServiceBus for event-driven microservices. Implemented OAuth 2.0 authentication with Azure AD and Identity Server. Containerized deployments with Docker, Kubernetes, and OpenShift. Practiced BDD with NUnit and maintained workflows using GitHub and JIRA.

Full Stack Dot Net Developer at AmFam

April 30, 2020 - August 15, 2025

Designed and developed claims processing automation using ASP.NET MVC 5, .NET Framework 4.8, and C#. Created SPAs with Blazor WebAssembly and Angular 6/8. Developed reusable UI components with Telerik Kendo UI and Razor views. Integrated MongoDB with hybrid NoSQL/Relational architecture. Designed GraphQL APIs and built microservices with Apache Kafka. Managed SSIS ETL workflows and enterprise reporting with SSRS. Implemented BDD testing and automated acceptance tests integrated into Azure DevOps pipelines. Used GitHub, TFS, XUnit, and NUnit.

Software Developer at HSBC Bank

November 30, 2017 - August 15, 2025

Developed financial account processing applications using ASP.NET WebForms, .NET Framework 4.5, and C#. Built interactive UI features with HTML, CSS, JavaScript, and AJAX. Created reusable business logic and data access layers with ADO.NET. Developed and consumed SOAP web services with WCF using XML for data exchange. Managed backend data in PostgreSQL with optimized stored procedures and triggers. Implemented robust exception handling and logging. Conducted unit testing and used SVN and TFS for version control and collaboration.

Senior Full Stack .NET Developer at Mastercard

August 1, 2025 - Present

Designed and enhanced a multi-tenant data observability and automated maintenance platform using .NET 8, ASP.NET Core, and C#. Implemented a plugin-based framework for maintenance checks and remediation logic; built background processing with Hangfire; introduced distributed locking for safe scheduling; created EF Core data access layers and a custom SQL abstraction; applied Azure caching for performance; deployed services on Azure App Services/AKS with managed identities and Key Vault integration; strengthened authentication/authorization; improved cloud observability with Serilog, Application Insights, and Log Analytics; contributed to Agile ceremonies and CI/CD pipelines.

Full Stack Dot Net Developer at Careington

November 1, 2021 - May 1, 2023

Designed HIPAA-compliant healthcare applications using .NET 6, ASP.NET Core Web API and C#; built FHIR APIs and GraphQL services for real-time patient and claims data exchange; leveraged AWS HealthLake and other AWS services for cloud-based data integration; delivered Angular 15 SPAs and React 17 POCs; migrated legacy ASP.NET MVC/WCF modules to .NET 6 microservices with OAuth2/JWT/RBAC; implemented Redis caching and IAM policies for secure data access; designed ETL workflows with SQL Server 2019/SSIS/SSRS and distributed messaging with Kafka, RabbitMQ, and NServiceBus; automated CI/CD with AWS CodePipeline/Jenkins/Docker; collaborated in Agile teams to meet CMS interoperability mandates.

Software Developer at HSBC Bank

July 1, 2015 - November 1, 2017

Developed and maintained a financial account processing system using ASP.NET MVC 5, .NET Framework 4.8 and C#; built dynamic UI with HTML/JS/jQuery; consumed SOAP-based WCF services for enterprise integrations; optimized PostgreSQL procedures and queries; designed and exposed GraphQL-like access to underwriting, policy, and claims data; deployed .NET Core microservices with Apache Kafka for peak volumes; automated deployments with Azure DevOps/TFS; implemented unit testing with XUnit/NUnit and audit-ready CI/CD.