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I’m a Senior Full Stack .NET Developer with 10+ years of experience delivering enterprise-scale applications across healthcare, banking, insurance, and government. I specialize in C#, .NET (Core/Framework), and ASP.NET Core Web API, building secure RESTful and SOAP/WCF services, and delivering scalable, high-performance systems. I also craft responsive interfaces with Angular and React, and I design cloud-native solutions on Azure and AWS. I thrive in Agile environments and partner with stakeholders, BAs, and QA to drive automation, CI/CD, and robust testing. I’ve led AI-driven initiatives using OpenAI/Azure OpenAI and Retrieval-Augmented Generation (RAG), implemented HL7 to FHIR integrations, and built intelligent document processing pipelines with Azure Cognitive Services while balancing HIPAA and other regulatory requirements.…I’m a Senior Full Stack .NET Developer with 10+ years of experience delivering enterprise-scale applications across healthcare, banking, insurance, and government. I specialize in C#, .NET (Core/Framework), and ASP.NET Core Web API, building secure RESTful and SOAP/WCF services, and delivering scalable, high-performance systems. I also craft responsive interfaces with Angular and React, and I design cloud-native solutions on Azure and AWS. I thrive in Agile environments and partner with stakeholders, BAs, and QA to drive automation, CI/CD, and robust testing. I’ve led AI-driven initiatives using OpenAI/Azure OpenAI and Retrieval-Augmented Generation (RAG), implemented HL7 to FHIR integrations, and built intelligent document processing pipelines with Azure Cognitive Services while balancing HIPAA and other regulatory requirements.

Chaitanya Latha Sevella

Full Stack Developer, Back-End Developer, Front-End Developer, +3

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I’m a Senior Full Stack .NET Developer with 10+ years of experience delivering enterprise-scale applications across healthcare, banking, insurance, and government. I specialize in C#, .NET (Core/Framework), and ASP.NET Core Web API, building secure RESTful and SOAP/WCF services, and delivering scalable, high-performance systems. I also craft responsive interfaces with Angular and React, and I design cloud-native solutions on Azure and AWS. I thrive in Agile environments and partner with stakeholders, BAs, and QA to drive automation, CI/CD, and robust testing. I’ve led AI-driven initiatives using OpenAI/Azure OpenAI and Retrieval-Augmented Generation (RAG), implemented HL7 to FHIR integrations, and built intelligent document processing pipelines with Azure Cognitive Services while balancing HIPAA and other regulatory requirements.…I’m a Senior Full Stack .NET Developer with 10+ years of experience delivering enterprise-scale applications across healthcare, banking, insurance, and government. I specialize in C#, .NET (Core/Framework), and ASP.NET Core Web API, building secure RESTful and SOAP/WCF services, and delivering scalable, high-performance systems. I also craft responsive interfaces with Angular and React, and I design cloud-native solutions on Azure and AWS. I thrive in Agile environments and partner with stakeholders, BAs, and QA to drive automation, CI/CD, and robust testing. I’ve led AI-driven initiatives using OpenAI/Azure OpenAI and Retrieval-Augmented Generation (RAG), implemented HL7 to FHIR integrations, and built intelligent document processing pipelines with Azure Cognitive Services while balancing HIPAA and other regulatory requirements.

Available to hire

I’m a Senior Full Stack .NET Developer with 10+ years of experience delivering enterprise-scale applications across healthcare, banking, insurance, and government. I specialize in C#, .NET (Core/Framework), and ASP.NET Core Web API, building secure RESTful and SOAP/WCF services, and delivering scalable, high-performance systems. I also craft responsive interfaces with Angular and React, and I design cloud-native solutions on Azure and AWS.

I thrive in Agile environments and partner with stakeholders, BAs, and QA to drive automation, CI/CD, and robust testing. I’ve led AI-driven initiatives using OpenAI/Azure OpenAI and Retrieval-Augmented Generation (RAG), implemented HL7 to FHIR integrations, and built intelligent document processing pipelines with Azure Cognitive Services while balancing HIPAA and other regulatory requirements.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Javanese

Advanced

Work Experience

Senior Full Stack .NET Developer at Centene Healthcare

August 1, 2024 - Present

Collaborated with cross-functional teams to modernize and automate the prior authorization system in compliance with CMS regulations, reducing manual workload and improving processing speed and workflow efficiency. Architected scalable microservices with C# 12 and ASP.NET Core 8 Web API, secure RESTful APIs via Azure API Management, OAuth2/OIDC/JWT and RBAC. Implemented event-driven architecture using Apache Kafka for reliable asynchronous communication. Transformed HL7 feeds into standardized FHIR JSON contracts, enabling interoperability. Built intelligent document processing using Azure Cognitive Services and designed a Retrieval-Augmented Generation (RAG) pipeline with OpenAI/Azure OpenAI to retrieve contextual data and generate summaries. Optimized data access with EF Core 8 and SQL Server 2022. Developed Angular 18 SPA; containerized with Docker and deployed to AKS. Hosted with Azure App Services/Functions; monitored via Azure Monitor; automated CI/CD with Azure DevOps and GitHub

Full Stack Developer at Truist Bank

June 1, 2023 - July 1, 2024

Consolidated and modernized digital banking platforms following the BB&T/SunTrust merger, unifying account management and mortgage workflows. Built backend services with C#, .NET 6 and ASP.NET Core Web API, applying Onion Architecture, DI, and Repository patterns. Implemented OAuth2/OpenID Connect/JWT with Azure AD for secure access. Created REST APIs for core systems, optimized EF Core/Azure SQL, and used Azure Service Bus for reliable messaging. Integrated Azure Cognitive Services to automate document data extraction. Built Angular 15 SPA and secured hosting with Azure App Services and APIM. Automated testing (TDD) and CI/CD with Azure DevOps/Git and SonarQube; monitoring with Splunk; deployed in an Agile environment.

Software Developer II at State of Missouri

February 1, 2021 - May 31, 2023

Collaborated to enhance a background screening portal for Missouri HB 557 compliance, enabling secure processing and tracking of applicant verification data across state agencies. Developed with C# 9.0 and ASP.NET MVC 5; conducted root cause analysis to reduce recurring issues. Optimized data access with EF6/ADO.NET/LINQ; integrated Amazon DynamoDB; built React 17 SPA and used DevExpress for dashboards. Exposed secure REST APIs via Amazon API Gateway; secured CJIS-regulated data with S3 pre-signed URLs and TLS 1.2. Implemented asynchronous event processing with Apache Kafka; monitored with NLog and Windows/IIS logs; tested with MSTest and Selenium; used TFS and VS; worked in Agile.

.NET Developer at Nationwide Insurance

February 1, 2019 - January 31, 2021

Enhanced internal claims portal for P&C operations; backend with C# and ASP.NET MVC 5 (.NET Framework 4.7.2); applied CSLA.NET; embedded React 16 into Razor views; used ES6, jQuery, AJAX. Optimized data access with Dapper, SQL Server 2016 stored procedures, and SSIS for batch processing. Developed integration layers using SOAP (WSDL) and REST/JSON; asynchronous messaging with RabbitMQ, AWS SNS/SQS. Migrated large claim attachments to Amazon S3; leveraged EKS/EC2, CloudWatch, and GLBA compliance. Implemented unit testing with xUnit and Playwright, and automated CI/CD with Azure DevOps and Bitbucket in an Agile setting.

Junior .NET Developer at IBM

August 1, 2016 - December 31, 2018

Assisted in building enterprise web applications using C# and ASP.NET WebForms; supported UI with HTML/CSS/JavaScript, jQuery, and AJAX. Worked with ADO.NET and Oracle databases (PL/SQL). Contributed to WCF/SOAP services (WSDL/XML) and XML data exchanges. Performed unit testing with MSTest; debug/support tasks; used SVN and Jenkins for CI. Participated in Agile ceremonies and contributed to Crystal Reports for operational reporting.

Junior .NET Developer at IBM - Hyderabad, India

August 1, 2016 - December 31, 2018

Assisted in building enterprise web applications using C# and ASP.NET WebForms (.NET Framework 4.5); supported UI with HTML/CSS/JavaScript/jQuery; worked with ADO.NET to write SQL queries and interact with Oracle databases; contributed PL/SQL stored procedures and supporting triggers; integrated SOAP-based web services and WCF services; performed MSTest unit testing; used SVN and Jenkins for CI; contributed to Crystal Reports development; collaborated in an Agile environment.