Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Senior Full Stack .NET Developer with a decade of experience designing, building, and deploying secure, scalable web and cloud-based applications across healthcare, finance, and government sectors. I specialize in modern .NET Core architectures, microservices, and cloud platforms (Azure and AWS), with strong front-end skills in Angular, React, and Blazor. I enjoy turning complex requirements into maintainable, high-performance solutions and mentoring teams toward engineering best practices.…I am a Senior Full Stack .NET Developer with a decade of experience designing, building, and deploying secure, scalable web and cloud-based applications across healthcare, finance, and government sectors. I specialize in modern .NET Core architectures, microservices, and cloud platforms (Azure and AWS), with strong front-end skills in Angular, React, and Blazor. I enjoy turning complex requirements into maintainable, high-performance solutions and mentoring teams toward engineering best practices.

Rohan Reddappa

Full Stack Developer, Back-End Developer, Front-End Developer, +2





I am a Senior Full Stack .NET Developer with a decade of experience designing, building, and deploying secure, scalable web and cloud-based applications across healthcare, finance, and government sectors. I specialize in modern .NET Core architectures, microservices, and cloud platforms (Azure and AWS), with strong front-end skills in Angular, React, and Blazor. I enjoy turning complex requirements into maintainable, high-performance solutions and mentoring teams toward engineering best practices.…I am a Senior Full Stack .NET Developer with a decade of experience designing, building, and deploying secure, scalable web and cloud-based applications across healthcare, finance, and government sectors. I specialize in modern .NET Core architectures, microservices, and cloud platforms (Azure and AWS), with strong front-end skills in Angular, React, and Blazor. I enjoy turning complex requirements into maintainable, high-performance solutions and mentoring teams toward engineering best practices.

Available to hire

I am a Senior Full Stack .NET Developer with a decade of experience designing, building, and deploying secure, scalable web and cloud-based applications across healthcare, finance, and government sectors.

I specialize in modern .NET Core architectures, microservices, and cloud platforms (Azure and AWS), with strong front-end skills in Angular, React, and Blazor. I enjoy turning complex requirements into maintainable, high-performance solutions and mentoring teams toward engineering best practices.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Work Experience

Sr. .NET Full Stack Developer at Optum Technology

October 1, 2023 - Present

Developed modern, responsive SPAs using Angular 19 and TypeScript for healthcare analytics dashboards; built and maintained RESTful APIs with .NET Core for claims processing, eligibility verification, and provider enrollment; implemented real-time data streaming with Kafka; automated AWS infrastructure with Terraform (EC2, Lambda, API Gateway, VPC); designed and optimized PostgreSQL schemas and queries for transactional and analytics workloads; built event-driven workflows using AWS Lambda and Python Flask-based APIs for data ingestion and transformation; integrated OpenAI-powered AI capabilities for claims validation and document summarization; migrated Oracle workloads to PostgreSQL with backward-compatible PL/SQL features; implemented OAuth 2.0, JWT, and Okta authentication; containerized services with Docker and Kubernetes (AKS); authored Swagger/OpenAPI docs; mentored junior developers and contributed to CI/CD pipelines with GitLab CI/CD and Jenkins.

Sr. .NET Full Stack Developer at Federal Home Loan Bank

September 1, 2023 - October 20, 2025

Built enterprise-grade microservices using C# and .NET Core, applying Onion Architecture and Domain-Driven Design; developed RESTful APIs and Node.js/Express services for AI inference orchestration; implemented event-driven messaging with Kafka and RabbitMQ; created modular React 17 UI with TypeScript, Redux, and Material UI; secured applications with Azure Key Vault, OAuth 2.0/JWT, and RBAC; established observability with Azure Monitor and Application Insights; integrated Oracle DB2 with .NET Core via ADO.NET/Entity Framework; designed data pipelines with Azure Data Factory and Synapse, and stored data in Cosmos DB; containerized services using Docker and deployed on AKS; implemented CI/CD with Jenkins, GitLab or GitHub Actions; authored Swagger/OpenAPI docs; integrated AI/ML APIs for OCR, NLP, and predictive analytics to support decision-making.

Sr. .NET Full Stack Developer at State Of New York

June 1, 2021 - October 20, 2025

Developed dashboards using Blazor and Angular to consolidate case updates and automate reporting; provided production support for .NET Framework and SQL Server; wrote optimized T-SQL scripts and stored procedures for real-time case tracking; implemented real-time alerts using SignalR/WebSockets for 200+ field agents; migrated legacy ASP.NET MVC to .NET Core and migrated data flows to Azure services; built containerized services with Kubernetes and automated deployments with AWS CLI and Lambda; integrated MongoDB Atlas for flexible document storage; collaborated with BI teams on SSRS and Power BI dashboards for finance and compliance reporting.

NET Developer at Geico

November 1, 2019 - October 20, 2025

Developed REST APIs using .NET Core and React-based UIs for insurance quote generation; implemented AWS Cognito for multi-device authentication; built dynamic pricing engines for real-time premiums; configured Kafka and RabbitMQ for event-driven processing; provided L3 production support and deployed hotfixes with minimal downtime; migrated and refactored Web Forms and ASP.NET MVC modules for maintainability; automated testing with Selenium and Postman; containerized services with Kubernetes; implemented OAuth 2.0/JWT RBAC for secure access; authored Swagger/OpenAPI docs; collaborated with business teams to deliver features within SLAs.

NET Developer at Axis Bank, Ahmedabad, India

March 1, 2017 - October 20, 2025

Developed REST APIs using .NET Core and React-based UIs for banking workflows; implemented token-based authentication for multi-device access; built dynamic pricing engines and real-time processing; configured Kafka and RabbitMQ for event-driven data exchange; provided production support and performance tuning; migrated legacy Web Forms and ASP.NET MVC modules to modern frameworks; automated CI/CD with Jenkins; optimized SQL Server stored procedures and indexing; automated testing with Selenium and Postman; containerized services with Kubernetes; ensured security with OAuth 2.0/JWT RBAC; collaborated with cross-functional teams on AML/compliance workflows.