mahesh - Senior Full Stack .NET Developer

Designed and developed RESTful APIs using ASP.NET Core Web API, implementing JWT authentication, OAuth2 authorization, and middleware pipelines to support secure, scalable backend services across multiple application modules. Built and maintained single-page applications using Angular 18, utilizing standalone components, the signals API, and lazy-loaded feature modules to deliver performant and modular front-end architecture. Modeled and managed relational data in PostgreSQL, writing complex queries, views, and indexes to support business-critical reporting and transactional workflows in production environments. Implemented Entity Framework Core using code-first migrations, fluent API configurations, and the repository pattern to maintain a clean and testable data access layer across microservices. Developed reusable Angular component libraries with reactive forms, custom pipe transformations, and dynamic template rendering to maintain UI consistency and reduce duplication across feature teams. Applied CQRS and MediatR in .NET Core services to decouple command and query responsibilities, improving long-term maintainability and alignment with clean architecture principles. Integrated internal and external services through REST API contracts, handling error boundaries, request validation, and retry policies using Polly to ensure reliable inter-service communication. Collaborated with cross-functional teams in Agile/Scrum environments, contributing to sprint planning, code reviews, and technical documentation to deliver full-stack features from design through deployment. Configured CI/CD pipelines using Azure DevOps to automate build, test, and release workflows for .NET Core APIs and Angular applications across development, staging, and production environments. Wrote unit and integration tests using xUnit for backend services and Jasmine/Karma for Angular modules, maintaining consistent test coverage to support regression safety and continuous delivery practices. Implemented role-based authorization policies in ASP.NET Core to enforce granular access control across healthcare provider, patient, and administrative user roles within a distributed health medical system. Designed PostgreSQL schemas to support health medical data models including patient demographics, clinical encounters, and diagnostic records, ensuring referential integrity and compliance with healthcare data standards such as HL7 and FHIR. Collaborated with healthcare stakeholders to integrate authentication flows using Azure Active Directory and identity federation, enabling single sign-on access for clinical users across multiple health system portals and medical applications