Senior Full-Stack .NET Developer with 10+ Years Experience

PRATHYUSHA KANDRA

Senior Full Stack .Net Developer

260-***-**** ******************@*****.*** LinkedIn PROFESSIONAL EXPERIENCE:

• Around 10 years delivering enterprise solutions across healthcare, banking, government, and retail using Agile Scrum in JIRA Cloud and TFS, plus production tracking in ServiceNow.

• Designed and delivered Microservices, applying 3-tier Architecture and MVC architecture for modular services, bounded contexts, and maintainable domain layers.

• Provided technical solution design for large complex enterprise applications, translating business problems into system architecture, defining implementation approaches, reviewing technical options, and guiding teams through development, testing, deployment, and operational support.

• Built backend services using C# 5.0–12, delivering APIs with ASP.NET Core Web API (.NET 6 / .NET 8) and supporting web applications with ASP.NET MVC 5 on .NET Framework 4.7 / 4.8, including upgrades from .NET Framework 4.6 4.8.

• Maintained legacy ASP.NET Web Forms modules and migrated selected workflows to ASP.NET MVC / React, stabilizing runtime behavior and improving maintainability across environments.

• Delivered integrations through RESTful APIs and SOAP services using WSDL, XML schemas, XML, and JSON contracts with consistent routing, status codes, and error responses.

• Published and protected APIs using Azure API Management (2) and Amazon API Gateway with routing, throttling, header policies, and stage/authorizer configuration.

• Implemented security using OAuth, OAuth2.0, OIDC 1.0, and JWT, integrating identity with Azure Active Directory and Amazon Cognito, enforcing scopes/roles and least privilege controls aligned to HIPAA/HITECH expectations.

• Delivered UI using Angular 12 / 18 / 20 with TypeScript 3.9 / 4.8, plus Blazor (Razor pages, reusable components) and React 17 with JavaScript.

• Built responsive web experiences using HTML5, CSS3, Bootstrap, jQuery, and Ajax, including legacy integration with JSP where required.

• Implemented data access using Entity Framework Core 6 / 7 and ADO.NET, optimizing LINQ projections and performance tuning with T-SQL (stored procedures, indexes, execution plans) on SQL Server 2019.

• Implemented long-running workflow reliability using SQL Server tables with ADO.NET for retry tracking, and asynchronous processing using Azure Service Bus queues, Apache Kafka, and Amazon SQS with retries and dead-letter handling.

• Improved performance with targeted caching using Amazon ElastiCache (Redis 6) and supported analytics/reporting via Power BI dashboards sourced from curated SQL datasets.

• Ensured quality using xUnit, NUnit, and MOQ, with UI automation using Karma and Jasmine; validated APIs via Swagger / Swagger UI, Postman, and SOAP UI.

• Delivered CI/CD using Azure DevOps Services and Azure DevOps Pipelines, governing releases through Git 2.4, GitHub, TFS, and SVN, with development/debugging in Visual Studio 2022.

• Deployed web workloads on Azure App Service, securing runtime configuration with Key Vault 2023, Managed Identities, and RBAC, and monitoring health via Azure Monitor and Application Insights.

• Deployed containerized APIs on AWS using Docker and ECS Fargate, integrating API Gateway, RDS (SQL Server 2019), and Secrets Manager, with observability through CloudWatch and diagnostics via log4net. TECHNICAL SKILLS:

Languages C#, .Net, ASP.NET, ASP.NETMVC, ASP.NETCore8/7/6/5/4/3.1/3.0, .Net Core 6/7/8/5/3.1/3.0/2.0/1.0, .Net Framework 4.8/4.7/4.6/4.5, VB.Net, ADO.Net, Web API, LINQ, Web Services, Entity Framework.

Development Tools XAMARIN Studio, Microsoft Visual Studio.NET, Visual Studio 2022/2019/2017/2015, Visual Studio Code.

Web Development JavaScript, Angular JS, Angular 16/15/14/13/12/10/9/7/6/4/2, React JS, Node JS, JSON, AJAX, CSS, HTML, ASP.Net MVC, jQuery, HTML5, CSS3, RESHARPER, Fiddler, SOAP UI, Postman. Operating System Windows 10/8.1/7, Linux, MAC, Unix. Database SQL Server 2008R2/2012/2014/2016,2017/2019/2022, Oracle 23c/19c/18c/12c/11g/10g, DB2, Azure SQL.

Servers IIS 10, 8.5, 8, IIS Express, Windows Server. Design Modeling OOPS, UML, MVC, Singleton, Session Façade, Singleton. Version Control TFS, Azure DevOps, GIT, VSS, GIT Lab, Bit-bucket, Cloud Services Microsoft Azure and Amazon Web Services. Services WCF, Web Services, Restful services, Web API, Micro-services. Reporting Tools JIRA, SSRS, SSIS, Crystal Reports, One Confluence. PROFESSIONAL EXPERIENCE:

Client: Blue Cross Blue Shield Association, Chicago, IL Nov 2023 – Till now Role: Senior Full Stack .NET Developer

Responsibilities:

• Designed and implemented microservices architecture for modular healthcare applications, enabling independent deployment of patient management, claims processing, and provider services.

• Implemented event-driven architecture using Apache Kafka, supporting asynchronous notifications for patient alerts, lab results, and claims updates.

• Developed ASP.NET Core Web API (.Net 8) services handling sensitive healthcare data including patient records, insurance claims, and provider information.

• Implemented data access using Entity Framework Core 7.0 and direct SQL connectivity to SQL Server 2019, writing optimized LINQ queries, stored procedures, and transactional workflows for secure data storage and retrieval.

• Built RESTful services with JSON payloads, enabling secure communication between EHR systems, internal applications, and external partners.

• Implemented NodeJS microservices for lightweight modules like notifications, appointment scheduling, and reporting workflows.

• We used REST for transactional APIs but introduced GraphQL for read-heavy dashboard queries to reduce over-fetching and minimize multiple service calls from Angular.

• Implemented real-time monitoring dashboards using Grafana to visualize EHR system performance, API metrics, and operational health, enabling proactive issue detection and ensuring HIPAA-compliant patient data handling.

• Utilized Entity Framework Core for ORM-based database access, optimizing queries for patient records, claims data, and clinical workflows.

• Implemented OAuth2 authentication and role-based authorization, securing APIs in compliance with HIPAA standards.

• Developed responsive front-end dashboards using Angular 17, HTML5, CSS3, JavaScript, TypeScript, and Bootstrap, providing interactive interfaces for clinicians, administrators, and patients.

• Implemented internal operational dashboards using Blazor and Razor components, consuming secure API gateway services with typed clients to enable real-time administrative workflows.

• Conducted frontend testing with Karma and Jasmine, validating patient forms, appointment scheduling, and claims interfaces.

• Deployed scalable microservices using Azure Kubernetes Service (AKS) for high-volume EHR transactions.

• Designed and optimized relational schemas in Azure Database for PostgreSQL, implementing indexing strategies, query tuning, and transactional consistency to support high-volume microservice workflows.

• Leveraged Azure Cloud services, including API Gateway, for secure API routing, third-party integrations, and load balancing.

• Supported deployment and configuration of document processing services on Azure App Service, securing runtime configuration using Azure Key Vault, Managed Identities, and RBAC.

• Ensured high availability, fault tolerance, and secure deployments for enterprise healthcare systems.

• Used SQL Server for relational database management, ensuring efficient storage, retrieval, and integrity of medical and insurance data.

• Developed operational and analytical reports using SQL Server Reporting Services (SSRS), designing datasets, stored procedure–driven reports, parameters, and scheduled subscriptions to deliver automated business reports to stakeholders.

• Ensured HIPAA compliance across backend, APIs, and frontend by enforcing end-to-end security controls, including encryption in transit (TLS 1.2+) and rest, secure API access using OAuth2/OIDC and JWT, role-based and least-privilege access, audit trails for PHI access, secure data masking, and adherence to healthcare regulatory standards.

• Developed and maintained HL7 interfaces to integrate EHR systems with laboratory, radiology, and pharmacy modules, ensuring seamless exchange of clinical data.

• Built secure HL7 message pipelines with validation, parsing, and error handling to ensure accurate and compliant data exchange across multiple healthcare systems.

• Integrated HL7 messages with FHIR APIs to modernize legacy EHR workflows and enable real-time patient data interoperability.

• Followed secure coding practices, encryption, and authentication/authorization standards for sensitive healthcare information.

• Managed CI/CD pipelines in Azure DevOps, automating builds, testing, and deployment of HIPAA-compliant healthcare applications.

• Designed and deployed containerized healthcare services using Docker and orchestrated them with Kubernetes (AKS), implementing rolling updates, resource limits, and horizontal pod autoscaling to ensure scalability and zero-downtime releases.

• Conducted code reviews, supported team development, and worked closely with architects on system design and strategic planning, ensuring efficient, scalable, and production-ready solutions.

• Facilitated Agile Scrum ceremonies in JIRA Cloud—sprint planning, backlog refinement, and retrospectives—translating requirements into prioritized user stories and clear acceptance criteria.

• Managed source control with Git, using pull requests, code reviews, and branch policies to maintain release stability.

• Used GitHub Copilot (GHCP) in Visual Studio 2022 to accelerate C# development, generate unit-test scaffolds, and refactor code while enforcing team standards.

Environment: HTML5, CSS3, Angular16, C#, React, ASP.NET Core 8, ASP.NET Core WEB API, Net Framework 4.8/4.7/4.6/4.5, MVC, LINQ, JavaScript, jQuery, JSON Objects, Restful web-services, Web API’s Visual Studio 2019, Visual GIT, Azure, VB.NET, SQL Server Management Studios 2022, TFS, OAuth2

Client: State of NY, New York. May 2021 – Oct 2023 Role: Senior .NET Developer

Responsibilities:

• Designed and implemented 3-tier architecture for enterprise license and permit management applications, ensuring separation of presentation, business logic, and data layers.

• Developed backend services using ASP.NET Core and C#, handling license validation, permit lifecycle management, fee processing, and enforcement of New York State regulatory rules.

• Designed and exposed secure RESTful APIs for integration with external government systems, inspection services, and third- party verification platforms.

• Implemented role-based authentication and authorization using Azure Active Directory (OAuth 2.0 / OpenID Connect) for applicants, agency staff, and compliance officers.

• Created operational and compliance reports using Crystal Reports, automating license status, permit processing, inspection summaries, and audit tracking.

• Modernized UI components using React (v17+), developing dynamic forms and reusable components for citizens, inspectors, and administrative portals.

• Migrated legacy Web Forms and on-prem IIS-based applications to ASP.NET Core and Azure App Services, improving scalability, performance, and maintainability across environments.

• Automated data migration scripts and ETL processes to ensure accurate transfer of flight schedules, bookings, passenger data, and loyalty records without downtime.

• Conducted frontend testing using Jest and React Testing Library to validate forms, dashboards, and workflow interactions.

• Developed real-time Grafana dashboards to monitor enterprise application performance, system health, and critical state workflows for government/healthcare services.

• Integrated Grafana with AWS monitoring services (CloudWatch, RDS performance metrics) to provide end-to-end visibility of cloud-hosted flight management systems.

• Deployed applications on Azure App Services, implementing environment-based configurations, deployment slots, and secure VNet integration across DEV, QA, and PROD.

• Leveraged Azure Blob Storage for secure storage of uploaded documents, ensuring encryption, lifecycle management, and compliance.

• Implemented Azure Application Insights and Azure Monitor for real-time telemetry, performance tracking, and proactive issue resolution.

• Designed and optimized Azure SQL Database schemas for structured data including license records, permit applications, inspection reports, and audit histories.

• Utilized Azure Cosmos DB for flexible storage of application metadata, document indexing, and audit logs, enabling high- performance lookup operations.

• Enforced state-level security and compliance standards, including TLS encryption, secure credential management, audit logging, and role-based access controls.

• Implemented asynchronous messaging using Azure Service Bus, enabling reliable workflow processing for applications, inspections, approvals, and notifications.

• Managed version control using Git/GitHub, including pull requests, branching, and collaboration across Agile teams.

• Applied access control using Windows Integrated Authentication with Active Directory, enforcing group-based authorization for staff and administrative functions.

• Implemented centralized logging with log4net, capturing correlation identifiers across Web Forms, MVC, and SOAP calls for production triage.

• Utilized Microsoft Enterprise Library for centralized exception handling, logging, configuration management, and data access abstractions within .NET applications.

• Automated builds and gated validation in TFS, enforcing compilation checks and NUnit execution before promoting artifacts across environments.

• Executed deployments to on-prem IIS using Visual Studio packaging and transforms, ensuring repeatable promotions across DEV/QA/UAT/PROD.

Environment: C#, ASP.Net Core, Net Framework 4.5, MVC, LINQ, HTML5, AJAX, jQuery, JSON Objects, React Restful web services, Web API’s Visual Studio 2017, Visual SVN, GIT, Docker, SQL Server Management Studios 2014, VB.NET, Amazon Web Services (AWS), Visual Studio Test Tools, Jira, Selenium. Client: UNITED AIRLINES, Chicago, Illinois Jan 2019 – Apr 2021 Role: Senior .Net Developer

Responsibilities:

• Designed and implemented SOA and microservices architecture for flight reservations, ticketing, and operational modules, ensuring modularity and scalability.

• Developed backend services using ASP.NET Core / MVC and C#, handling seat availability, booking, payment processing, cancellations, and loyalty program logic.

• Created loosely coupled WCF services for flight scheduling, loyalty programs, and operational reporting with reliable messaging and transactions.

• Built RESTful APIs with JSON payloads for secure communication between internal airline systems, partner platforms, and customer portals.

• Integrated Entity Framework and SQL Server for relational data access, optimizing queries and ensuring transactional integrity for passenger and flight data.

• Leveraged MongoDB for unstructured data storage, including flight logs, passenger preferences, and real-time operational metrics.

• Implemented authentication and booking workflows including login, role-based access control, flight search, seat selection, booking confirmation, and loyalty points redemption.

• Built responsive passenger dashboards and staff interfaces using HTML5, CSS3, JavaScript, Bootstrap, Ajax, Angular, and MVC views for enhanced usability.

• Applied xUnit for backend unit and component testing, ensuring reliability of booking, flight management, and operational modules.

• Maintained and enhanced legacy VB.NET modules for flight reservations, ticketing, and passenger management, ensuring operational continuity across United Airlines systems.

• Conducted frontend testing for dynamic forms, dashboards, and interactive booking workflows to ensure a seamless user experience.

• Deployed applications on AWS ECS / Fargate, utilizing RDS (SQL Server) for structured data and S3 for document and log storage.

• Managed CI/CD pipelines using AWS Code Pipeline and Code Build, automating builds, testing, and deployment to ensure high- availability enterprise operations.

• Implemented asynchronous processing using AWS SQS / SNS for flight confirmations, alerts, and operational notifications.

• Ensured secure coding practices, including encryption, audit logging, and RBAC, to protect passenger and operational data.

• Integrated payment gateways for ticket booking, refunds, and loyalty points transactions, ensuring secure and seamless payments.

• Optimized system performance through database indexing, query optimization, and caching strategies to handle high-volume passenger and booking data.

• Participated in Agile Scrum methodology, contributing to sprint planning, backlog grooming, and sequential delivery of regulatory and operational modules.

• Managed source control and collaboration using Git/GitHub, including pull requests, branching strategies, and version tracking for multi-team development.

Environment: .Net Framework 3.0, Azure DevOps, ASP.Net 2.0/3.0, VB.Net ADO.Net, SOAP, HTTP, ASP.NET, XML, XSLT, JavaScript, Angular6, MVVM IIS 6.0, Entity Framework, HTML, React, DHTML, Bootstrap CSS, Ajax Toolkit, C#, SQL Server 2008, AJAX, Visual Studio 2010, SSRS, Azure DevOps.

Client: QCR holding’s, Moline, Illinois Sep 2017 – Dec 2018 Role: .NET Developer

Responsibilities:

• Implemented MVC architecture for enterprise banking applications, ensuring separation of presentation, business logic, and data layers.

• Designed secure layered architecture supporting high-volume account management, fund transfers, and transaction tracking.

• Developed ASP.NET MVC applications with SOAP web services for secure communication between internal banking modules and external financial systems.

• Implemented domain-driven data persistence using Entity Framework Core 6, configuring Db Context, entity mappings, and migrations to support scalable and maintainable backend services.

• Applied Unit of Work and Repository patterns to manage transactions and ensure data consistency across multiple operations within .NET Core applications.

• Designed and optimized data access layer using Entity Framework Core 6, leveraging optimistic concurrency control and no-tracking queries to improve performance and handle high-volume transactions efficiently.

• Developed secure backend services and APIs integrated with frontend applications (Angular/Blazor), supporting business workflows such as customer servicing, document processing, and operational monitoring.

• Ensured transactional integrity and performance optimization by implementing efficient querying strategies, indexing considerations, and migration-based schema management.

• Implemented ADO.NET for relational data access, optimizing SQL Server queries, stored procedures, and transactional operations.

• Designed XML-based data payloads for structured and secure exchange with partner banks and payment gateways.

• Implemented two-factor authentication (2FA) for high-risk transactions like fund transfers and interbank payments.

• Enforced role-based access control (RBAC) for multiple user types: customers, admins, auditors, and staff.

• Built responsive UI dashboards and forms using JavaScript, jQuery, and Ajax for account management, fund transfers, and transaction history.

• Ensured intuitive workflows and seamless user experience for banking customers and internal staff.

• Conducted frontend unit testing using available tools (if applicable) to validate UI interactions.

• Designed backend and front-end modules to support potential cloud deployment for scalability and high availability.

• Used SQL Server for structured banking data including account records, transactions, and audit logs.

• Ensured transactional integrity, backup, and recovery processes for critical banking operations.

• Ensured compliance with banking data security standards through authentication, authorization, and structured data handling.

• Managed version control with SVN, enabling team collaboration, change tracking, and rollback support. Environment: .Net Framework 3.0, ASP.Net 2.0/3.0, VB.Net ADO.Net, SOAP, HTTP, ASP.NET, XML, XSLT, JavaScript, React, AngularJS, MVVM IIS 6.0, ADO.Net Entity Framework, Windows Services, Bootstrap, SSIS, SSRS, TELERIK, Microsoft Azure. Client: HSBC, India Feb 2014 - 2017

Role: .NET Developer

Responsibilities:

• Reengineered legacy N-Tier applications into web-based, modular architecture using ASP.NET MVC and C# backend, supporting scalability and maintainability.

• Applied Code First approach with Entity Framework for data layer standardization and efficient database integration.

• Developed ASP.NET MVC 4.0 applications with C# backend and ASP.NET Web API for RESTful services.

• Maintained and enhanced VB.NET applications, modifying existing code to meet business requirements.

• Developed SOAP and RESTful services using SOAP UI, Axis client, and AJAX-enabled WCF/Web API services.

• Implemented SQL Server stored procedures, triggers, views, and indexes for optimized DML operations.

• Applied unit testing with NUnit to validate backend logic, APIs, and data workflows.

• Built interactive UIs and custom WPF forms using XAML, Telerik controls, and AngularJS/Angular/ReactJS for responsive single-page applications.

• Developed custom forms using Angular 2 Form Builder with client-side validation via built-in and custom validators.

• Migrated front-end applications from Angular 2 to React JS, leveraging NPM and Yarn components for reusable UI elements.

• Ensured intuitive and responsive user experience for loan origination and banking workflows.

• Utilized SQL Server 2012/2014 for structured loan, customer, and transaction data.

• Optimized database performance for high-volume DML operations, stored procedures, triggers, and views.

• Maintained data integrity and validation standards for critical loan and financial operations.

• Developed unit tests for backend components using NUnit Testing Framework.

• Validated frontend forms and workflows using Angular built-in validators and React component testing. Environment: VisualStudio.NET, .NET framework, User Controls, XML Web Services, Entity Framework ADO.NET, UML, Rest Web API, HTML, Angular 2, React, WCF, Oracle 10g, SQL Server 2014, TFS and CSS, PL/SQL, React JS, Win Forms. Education:

• Bachelor of Engineering: Computer Science and Engineering Jawaharlal Nehru Technology University Anantapur- India SKILLS

Microsoft .NET Microsoft Visual Studio AngularJS Application Programming Interface (API) Bootstrap Microsoft C# (C Sharp) Continuous Integration Continuous Deployment/Delivery Design Patterns Programming Methodologies ADO.NET Entity Framework Git JavaScript Jenkins jQuery JSON Microsoft Silverlight Microsoft ASP.NET (Active Server Page) Microsoft .NET Framework 2.0 Windows Communication Foundation (WCF) Node.js OAuth Object Oriented Pro

.NET Framework 1.0 Programming Tools Microsoft Windows Server Operating Systems ReSharper Mail S

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