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Hi, I'm Sheshi Sree Sama, a senior .NET Full Stack Developer with over 10 years of experience building scalable and enterprise-grade applications. I specialize in both front-end and back-end technologies, including ASP.NET Core, React, and AWS cloud services. I enjoy creating efficient, secure, and user-friendly solutions in finance, healthcare, and public sector domains. I am passionate about leveraging cloud-first and microservices architectures to develop modular, maintainable, and high-performing applications. Collaborating with teams and mentoring junior engineers energizes me, and I always strive to keep up with the latest technologies and best practices in software development.…Hi, I'm Sheshi Sree Sama, a senior .NET Full Stack Developer with over 10 years of experience building scalable and enterprise-grade applications. I specialize in both front-end and back-end technologies, including ASP.NET Core, React, and AWS cloud services. I enjoy creating efficient, secure, and user-friendly solutions in finance, healthcare, and public sector domains. I am passionate about leveraging cloud-first and microservices architectures to develop modular, maintainable, and high-performing applications. Collaborating with teams and mentoring junior engineers energizes me, and I always strive to keep up with the latest technologies and best practices in software development.

Sheshi Sree Sama

Full Stack Developer, Developer, Cloud Developer, +3

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Hi, I'm Sheshi Sree Sama, a senior .NET Full Stack Developer with over 10 years of experience building scalable and enterprise-grade applications. I specialize in both front-end and back-end technologies, including ASP.NET Core, React, and AWS cloud services. I enjoy creating efficient, secure, and user-friendly solutions in finance, healthcare, and public sector domains. I am passionate about leveraging cloud-first and microservices architectures to develop modular, maintainable, and high-performing applications. Collaborating with teams and mentoring junior engineers energizes me, and I always strive to keep up with the latest technologies and best practices in software development.…Hi, I'm Sheshi Sree Sama, a senior .NET Full Stack Developer with over 10 years of experience building scalable and enterprise-grade applications. I specialize in both front-end and back-end technologies, including ASP.NET Core, React, and AWS cloud services. I enjoy creating efficient, secure, and user-friendly solutions in finance, healthcare, and public sector domains. I am passionate about leveraging cloud-first and microservices architectures to develop modular, maintainable, and high-performing applications. Collaborating with teams and mentoring junior engineers energizes me, and I always strive to keep up with the latest technologies and best practices in software development.

Available to hire

Hi, I’m Sheshi Sree Sama, a senior .NET Full Stack Developer with over 10 years of experience building scalable and enterprise-grade applications. I specialize in both front-end and back-end technologies, including ASP.NET Core, React, and AWS cloud services. I enjoy creating efficient, secure, and user-friendly solutions in finance, healthcare, and public sector domains.

I am passionate about leveraging cloud-first and microservices architectures to develop modular, maintainable, and high-performing applications. Collaborating with teams and mentoring junior engineers energizes me, and I always strive to keep up with the latest technologies and best practices in software development.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Hindi

Intermediate

Work Experience

Sr. .NET Full Stack Developer at HiTrust Alliance

January 1, 2024 - Present

Built a centralized hospital resource management system for tracking ICU beds, staff, and ambulances in real-time with modular microservices deployed on AKS. Developed secure RESTful APIs using ASP.NET Core and EF Core, designed user-friendly Angular front-end modules, and used Azure services for scalable cloud solutions. Implemented OAuth2.0 with JWT, Apache Kafka messaging, and automated CI/CD pipelines using Azure DevOps. Ensured code quality with unit/integration tests using XUnit, Moq, and maintained logging and monitoring with Log4Net and Azure Application Insights. Delivered analytics via Power BI and Razor pages. Managed API security with Azure Key Vault and Azure API Management.

.NET Full Stack Developer at Union Bank Of Switzerland

December 31, 2023 - July 10, 2025

Contributed to building a secure Digital Wallet & Bill Payment Platform using ASP.NET Core Web API and Angular UI for retail and SME customers. Designed and maintained scalable microservices with OAuth2 and Azure AD authentication. Leveraged RabbitMQ and Azure Service Bus for event-driven workflows, Azure Functions for serverless processing, and deployed containerized services on AKS with CI/CD via Azure DevOps. Implemented unit/UI testing using XUnit, Moq, and Jasmine. Monitored system performance with Serilog and Azure Monitor. Used Git with GitFlow and Agile methodologies for team collaboration.

.NET Developer at State of Texas

December 31, 2021 - July 10, 2025

Developed enterprise applications using ASP.NET MVC and Web API in an Agile Scrum environment. Designed RESTful APIs and data access layers utilizing Entity Framework and T-SQL. Created responsive UIs with HTML5, CSS3, Bootstrap, and JavaScript. Worked extensively with SQL Server and MongoDB for both relational and NoSQL data storage. Implemented unit and integration testing with XUnit. Managed code via TFS and Git. Leveraged Azure services including Blob Storage and Key Vault, and implemented asynchronous messaging with RabbitMQ. Developed internal desktop tools using WPF and WinForms.

.Net Full Stack Developer at BCBS

December 31, 2019 - July 10, 2025

Developed and maintained enterprise web applications with ASP.NET Web Forms and .NET Framework. Implemented SOAP and WCF services for secure clinical and scheduling data exchange. Applied design patterns for scalable architecture and optimized performance using profiling tools. Developed responsive UIs using Vue.js and Tailwind CSS. Utilized ADO.NET and T-SQL for data layer development. Practiced TDD with MSTest and Moq. Managed code using Git and TFS, conducted code reviews, and documented architectures using UML diagrams. Ensured HIPAA compliance and integration with third-party APIs.

Jr. .NET Developer at FactSet

July 31, 2016 - July 10, 2025

Developed web applications using ASP.NET Web Forms and .NET Framework 4.7 following Waterfall SDLC. Consumed SOAP WCF services with XML and XSD validation. Managed data access with ADO.NET and PostgreSQL. Created dynamic interactive UIs with JavaScript, jQuery, and AJAX. Wrote unit tests using XUnit and Moq. Logged audit information using Log4Net and used tools like Visual Studio and PGAdmin for development and troubleshooting.

Sr. .NET Full Stack Developer at HiTrust Alliance

January 1, 2024 - Present

Built a centralized system for hospitals to track and manage resources like ICU beds, staff, and ambulances in real-time. Designed user-friendly dashboards, automated shift scheduling, and streamlined communication to improve operational efficiency. Developed microservices with ASP.NET Core 7, Docker, AWS ECS, and API Gateway; created role-based dashboards with React and Redux Toolkit; secured APIs using JWT, OAuth2, and AWS Cognito. Implemented real-time workflows using Apache Kafka and RabbitMQ. Automated delivery pipelines with GitHub Actions, Terraform, and AWS CodePipeline. Focused on logging and diagnostics through Serilog, AWS CloudWatch, and AWS X-Ray. Used GraphQL endpoints, containerized services on EKS with Helm, and participated in HIPAA audit preparations. Mentored junior engineers.

.NET Full Stack Developer at Union Bank Of Switzerland

December 31, 2023 - July 10, 2025

Contributed to building a scalable Digital Wallet & Bill Payment Platform for retail and SME customers. Developed ASP.NET Core 6 microservices deployed to AWS EKS; created React components with Redux Toolkit; integrated GraphQL services with Apollo Client. Managed data persistence in DynamoDB and AWS S3. Scheduled financial jobs with AWS Lambda and EventBridge. Enabled 2FA/MFA via AWS Cognito; configured CI/CD pipelines with GitHub Actions. Monitored fraud detection and logging using Serilog and CloudWatch. Enforced PCI DSS compliance and improved UI accessibility. Reduced AWS costs through optimization and collaborated in Agile squads.

.NET Developer at State of Texas

December 31, 2021 - July 10, 2025

Migrated legacy monoliths to microservices using ASP.NET Core 5 and Docker. Enhanced frontend with React and Material UI for government portals. Used EF Core and Dapper for SQL Server optimizations. Developed REST APIs secured with OAuth2 and JWT. Managed credentials with AWS Secrets Manager and Lambda automation. Implemented S3 upload/download flows with secure access. Automated build/test pipelines using Jenkins; wrote unit and E2E tests with XUnit and React Testing Library. Configured monitoring and alerting via CloudWatch and Slack. Trained staff on React hooks and cloud-native principles; improved system performance with Redis caching.

.Net Full Stack Developer at BCBS

December 31, 2019 - July 10, 2025

Built healthcare scheduling platforms with ASP.NET Web Forms and WCF. Implemented SOAP XML contracts and modernized UI using Vue.js and Tailwind CSS. Secured message queues with RabbitMQ; developed SQL Server database interactions with ADO.NET and stored procedures. Refactored business logic with design patterns and validated transactions with MSTest and Moq. Integrated system logging with Serilog and deployed builds using TFS. Participated in HIPAA compliance activities ensuring encryption and security standards.

Jr. .NET Developer at FactSet

July 31, 2016 - July 10, 2025

Developed WebForms applications using C# and ASP.NET 4.7. Consumed SOAP/WCF services with contract validations. Accessed PostgreSQL using Npgsql for transactional queries. Designed responsive UI with HTML, CSS, JavaScript, and jQuery. Logged and tracked user events with Log4Net. Built unit tests with XUnit and Moq. Managed releases with TFS and tracked tasks using JIRA. Debugged performance using profiling tools and server logs.

Sr. .NET Full Stack Developer at HiTrust Alliance

January 1, 2024 - Present

Designed and deployed microservices using ASP.NET Core 7, Docker, and AWS ECS, creating scalable resource access APIs. Developed hospital dashboards with React, Redux Toolkit, and TypeScript styled with Material UI and Tailwind CSS. Secured APIs and user flows using JWT, OAuth2, and AWS Cognito. Built message-driven workflows using Apache Kafka and RabbitMQ for real-time updates. Automated CI/CD pipelines for zero-downtime deployments, implemented logging with Serilog and AWS CloudWatch, and produced analytics reports using Chart.js and ExcelJS. Handled secure storage with AWS S3, integrated GraphQL APIs, managed Kubernetes deployments on EKS, and enforced HIPAA-compliant security policies. Mentored junior developers on best practices in React, .NET Core, and AWS DevOps.

.NET Full Stack Developer at Union Bank Of Switzerland

December 31, 2023 - July 10, 2025

Built scalable financial microservices with ASP.NET Core 6 and AWS EKS, managing APIs via API Gateway. Developed modular React components with Redux Toolkit and Material UI, integrating GraphQL queries with Apollo Client. Persisted data in DynamoDB and used AWS S3 lifecycle management for documents. Scheduled jobs via AWS Lambda and EventBridge, enabled 2FA/MFA with Cognito, and configured CI/CD with GitHub Actions. Applied logging and monitoring with Serilog and CloudWatch. Tested front-end with Cypress and back-end with XUnit and Moq. Enforced PCI DSS controls and improved UI accessibility. Reduced costs by optimizing AWS resources and collaborated using Agile tools like JIRA.

.NET Developer at State of Texas

December 31, 2021 - July 10, 2025

Led migration from legacy monoliths to microservices using ASP.NET Core 5 with Docker containerization. Redesigned frontend portals with React, Bootstrap, and Material UI for improved usability. Optimized data access with Entity Framework Core and Dapper against SQL Server. Developed secured RESTful APIs with OAuth2 and JWT. Automated credential rotation with AWS Secrets Manager and Lambda. Created AWS S3 upload/download flows secured by pre-signed URLs. Automated build and test pipelines via Jenkins and maintained version control with GitFlow. Monitored system alarms and logs via CloudWatch integrated with Slack alerts. Delivered training on React hooks, .NET 5, and cloud-native principles, enhancing performance using Redis caching and improving page load speed by 40%.

.Net Full Stack Developer at BCBS

December 31, 2019 - July 10, 2025

Developed healthcare scheduling platforms using ASP.NET Web Forms, WCF, and C# for clinical workflows with SOAP-based XML validation. Modernized UI with Vue.js and Tailwind CSS using AJAX and jQuery interactions. Ensured reliable messaging with RabbitMQ and persisted data in SQL Server with ADO.NET and stored procedures. Refactored business logic employing Dependency Injection, Factory, and Repository patterns. Validated code with MSTest and Moq frameworks. Centralized logging with Serilog and monitored system health with custom alerts. Participated in HIPAA compliance including PHI encryption at rest and in transit. Managed deployments with TFS and coordinated feature tracking.

Jr. .NET Developer at FactSet

July 31, 2016 - July 10, 2025

Developed ASP.NET WebForms applications using C# and ADO.NET for data access. Consumed SOAP/WCF services validated with XML/XSD schemas. Accessed PostgreSQL databases with Npgsql driver. Designed responsive web UI with HTML, CSS, JavaScript, and jQuery. Logged user events with Log4Net and created unit tests with XUnit and Moq. Maintained releases through TFS and tracked tasks in JIRA. Debugged performance issues using Visual Studio Profiler and PGAdmin. Ensured stable deployments on Windows Server and IIS environments.

Sr. .NET Full Stack Developer at HiTrust Alliance

January 1, 2024 - Present

Built a centralized Hospital Resource Management System to track ICU beds, staff, and ambulances in real-time. Designed scalable microservices using ASP.NET Core 7, Docker, and AWS ECS. Developed React dashboards with Redux Toolkit, secured APIs with JWT, OAuth2, and Cognito. Implemented messaging with Kafka and RabbitMQ and managed data with Entity Framework Core on AWS RDS. Automated pipelines with GitHub Actions and Terraform. Monitored system health using Serilog, CloudWatch, X-Ray, and ELK Stack. Mentored junior engineers and ensured HIPAA compliance.

.NET Full Stack Developer at Union Bank Of Switzerland

December 31, 2023 - July 10, 2025

Contributed to a Digital Wallet & Bill Payment platform using ASP.NET Core 6 and React with Redux Toolkit. Integrated GraphQL with Apollo Client. Persisted wallet data in DynamoDB and used AWS Lambda for scheduled jobs. Enabled secure authentication with AWS Cognito. Automated CI/CD with GitHub Actions and implemented fraud detection logging. Enforced PCI DSS compliance and enhanced UI accessibility. Collaborated in Agile teams using JIRA and reduced AWS costs through optimization.

.NET Developer at State of Texas

December 31, 2021 - July 10, 2025

Migrated legacy monoliths to microservices with ASP.NET Core 5 and Docker. Revamped frontend with React and Material UI. Optimized database access with EF Core and Dapper. Developed secure RESTful APIs with OAuth2 and JWT. Automated build and test pipelines via Jenkins. Implemented caching with Redis improving load speeds. Monitored metrics with CloudWatch and Slack alerts. Trained staff on best practices and cloud-native principles.

.Net Full Stack Developer at BCBS

December 31, 2019 - July 10, 2025

Developed healthcare scheduling platforms using ASP.NET Web Forms, WCF and C#. Modernized UI with Vue.js and Tailwind CSS. Secured message queues with RabbitMQ. Used ADO.NET and stored procedures for data persistence. Refactored business logic applying design patterns. Implemented unit and integration tests using MSTest and Moq. Managed logging with Serilog and participated in HIPAA compliance efforts.

Jr. .NET Developer at FactSet

July 31, 2016 - July 10, 2025

Developed ASP.NET WebForms applications and consumed WCF services. Managed data access with ADO.NET and PostgreSQL. Created responsive web UIs using HTML, CSS, JavaScript, and jQuery. Implemented logging with Log4Net and wrote unit tests with XUnit and Moq. Maintained release schedules with TFS and JIRA. Debugged performance issues using profiling tools.