Ram Karthick Radhakrishnan

• Developed and maintained enterprise retail BackOffice and configuration management platforms with .NET 8, ASP.NET Core, and legacy .NET Framework applications to enhance system functionality.
• Built event-driven microservices for processing high-volume POS transaction data and indexing into Elasticsearch for real-time reporting and operational visibility.
• Designed RabbitMQ-based asynchronous messaging workflows with retry handling and fault-tolerant communication across distributed retail environments.
• Developed POS integration services for Ruby and Sapphire systems, enabling automated synchronization of transactional and configuration data across multiple store locations.
• Built XML-to-JSON transformation pipelines using Redis, SQL Server, and Oracle to enrich transactional data with inventory, cashier, loyalty, and store metadata.
• Managed centralized application configurations, feature flags, and secure credential handling with AWS Secrets Manager, automating deployment using PowerShell and Azure DevOps for streamlined release processes.
• Improved system reliability and maintainability through clean architecture practices, logging, exception handling, dependency management, and production support activities.

Technologies: C#, .NET 8, .NET Framework 4.7.2, ASP.NET Core, Blazor, SQL Server, Oracle, RabbitMQ, Redis, Elasticsearch, AWS (S3, Secrets Manager), Entity Framework Core, Git, Azure DevOps, PowerShell

• Built full-stack applications using ASP.NET Core, ASP.NET MVC, React, Angular, and Blazor, improving internal workflows and operational efficiency across business teams.
• Developed RESTful APIs and distributed microservices integrated with Azure Functions, AWS Lambda, API Gateway, and enterprise databases to support scalable and secure business operations.
• Containerized and deployed cloud-native applications using Docker, Kubernetes (AKS), Azure Container Registry, and AWS infrastructure to improve scalability and deployment consistency.
• Implemented secure authentication and role-based access control using OAuth 2.0, OIDC, Azure Managed Identities, and custom middleware for enterprise APIs and applications.
• Designed event-driven workflows using Kafka and AWS SQS/SNS for asynchronous messaging, system integrations, and real-time data processing across distributed services.
• Optimized SQL Server and Oracle databases through stored procedures, query tuning, indexing, and SSIS-based ETL pipelines, enhancing data integration reliability and application performance.
• Developed and supported enterprise healthcare and operational applications, including secure intake systems, notification services, file management platforms, and BackOffice tools, ensuring compliance in regulated environments.

Environment: C#, ASP.NET Core, ASP.NET MVC5, .NET 6, .NET Core, React, Angular, Blazor, SQL Server, Oracle, Azure

(AKS, Azure Functions, DevOps, App Insights, Key Vault), AWS (Lambda, API Gateway, SQS/SNS), Kafka, Redis, Docker,

Kubernetes, SSIS, ADO.NET, Git, JIRA, NUnit, XUnit, Moq, PowerShell

• Collaborated on data modeling to enhance near real-time patient data access and meet clinical reporting requirements within Agile delivery cycle.
• Streamlined clinical reporting processes through optimized data architecture to support accurate data retrieval.
• Developed backend APIs for hospital record workflows using Python (Flask) and PostgreSQL, ensuring structured data schemas and secure access patterns to protect sensitive information.
• Strengthened data security by establishing structured schemas and secure access patterns for sensitive information.

• Simulated UAV aerodynamics using Ansys Fluent and compiled analytical findings for R&D stakeholders.
• Assisted in data analysis for ongoing engineering projects.
• Conducted market research on aerospace trends and technologies.
• Collaborated with team members to develop project documentation.