.Net Developer Asp.Net Core

Sankeerthana G .Net Developer

Email: ****************@*****.*** Ph #: 346-***-****

PROFESSIONAL SUMMARY:

8+ years of experience in Analysis, Design, Development, Implementation, Testing of Web Based, Client - Server, and N-Tier Architectures.

Proficient in building scalable, secure, and maintainable software using the latest Microsoft technologies including .NET 9/8/6/5/3.1, .NET Framework 4.x, ASP.NET Core, C#, Entity Framework, WCF, WPF, and Blazor.

Strong experience in Web API, ASP.NET MVC, and Razor Pages, with end-to-end development of RESTful services, including JWT, OAuth2, and role-based access.

Designed and developed cloud-native solutions using Microsoft Azure (IaaS, PaaS, Functions, App Services, Blob Storage, Queues, AKS) and CI/CD pipelines using Azure DevOps and GitHub Actions.

Deep expertise in Angular (17 to 6), TypeScript, RxJS, Angular CLI, and front-end technologies like Bootstrap, HTML5, CSS3, JavaScript, and jQuery to build dynamic, responsive UIs.

Hands-on experience with TDD and unit testing using NUnit, xUnit, MS Test, Postman, and Playwright, ensuring high code quality and maintainability.

Experience in developing applications front end using Angular 15/1312/11/10/9/7/4/2, React JS, DOM, Node JS, HTML 5, DHTML, CSS3, Bootstrap, JavaScript framework, Crystal report 9, MS Access, Expression (Blend and Design), AJAX controls, jQuery, VBScript.

Demonstrated experience in developing dynamic and responsive user interfaces using React.js with functional components and React Hooks to build scalable and maintainable front-end applications.

Developed WCF services and migrated legacy SOAP services to modern RESTful APIs, using gRPC and Azure Functions for microservice architecture.

Created desktop applications using WPF and WinForms, implementing MVVM, custom controls, data binding, and UI animations for robust internal tools.

Well versed with Azure Cloud Computing (Azure Blob Storage, Azure Table and Queue Storage), SqlAzure and Azure Web Roles.

Proficient in Object-Relational Mapping (ORM) using ADO.NET, Entity Framework, LINQ, and Lambda expressions.

Well versed with Windows Communication Foundation (WCF), Windows Presentation Foundation (WPF), and Windows Workflow Foundation (WWF).

Proficiency in creating virtual directories, mapping them to physical folders and configuring applications for domain authentication using Internet Information Server (IIS).

Skilled with database connectivity include Oracle, MySQL, and DB2, as well as SQL, PL/SQL, triggers, functions, and Packages.

Designed and developed SSRS reports (Matrix, Tabular, Drill-down) and built SSIS packages for ETL processes, data warehousing, and system integration workflows.

Strong command of SQL Server 2016/2017, T-SQL, stored procedures, triggers, indexes, and views, along with experience in MongoDB for NoSQL solutions.

Implemented state management using ViewState, Session, Cookies, and local storage for web applications.

Applied design patterns such as MVC, Repository, Singleton, and Factory for code structure and reusability.

Adept at debugging, optimization, and performance tuning across front-end and back-end layers.

Proficiency in working with .NET Assemblies, IIS configuration, and deployment pipelines; experience with modular architecture and plugin-based development.

Experience in containerizing .NET Core microservices using Docker, optimizing multi-stage builds and managing secure, scalable container images across dev, QA, and production.

Proficient in orchestrating containerized applications with Kubernetes (AKS), including configuring deployments, services, ingress controllers, liveness/readiness probes, and autoscaling.

Automated infrastructure lifecycle management with Terraform, including network, compute, and identity resources across development and production environments.

Skilled in writing and maintaining Terraform scripts to provision and manage cloud infrastructure (Azure resources such as AKS, App Services, Storage Accounts) using Infrastructure as Code (IaC) principles.

Experience building advanced features using Entity Framework Core, Lambda Expressions, Generics, and Extension Methods for optimized data access and manipulation.

Comfortable working in Agile/Scrum teams with active participation in sprint planning, daily standups, retrospectives, and Jira/TFS-based tracking.

Excellent team player and possess leadership ability and polished and professional communication and collaborative abilities.

TECHNICAL SKILLS:

Programming Languages

C# .NET, VB.NET, ADO.NET, C, C++, Visual Basic, PL-SQL and T-SQL

Microsoft Technologies

.Net 9/8/7/6/5, .Net Core 3.1/2.2/1.x, .Net Framework 4.8/4.7/4.6/4.5, ASP.Net MVC 5, ADO.Net, LINQ, Web Forms,

Windows Forms, WCF, WPF, Web API, MSMQ, WWF, Windows Server, WSE, Entity Framework

Web Technologies

React JS, Redux, Angular Versions, Angular JS, HTML/HTML5, CSS/CSS3, DOM Manipulation, JavaScript, AJAX, jQuery, JSON

Databases

Oracle, DB2, SQL Server 2014/2017/2019/2022, T-SQL, NOSQL DB - MongoDB

IDE, HTML Editor

Notepad++, Eclipse IDE, Visual Studio, Dreamweaver, Web Storm

MSBI Tools

SSRS, SSIS, SSAS

CI/CD & Automation

Azure Pipelines, GitLab CI/CD, Jenkins, GitHub Actions, Helm Charts, YAML-based deployment scripts, Docker, Kubernetes

Web Servers

IIS Server, Team Foundation Server

Testing Framework

NUnit, MSTest

Software Methodologies

SDLC, Agile, Waterfall

OS

MS Windows, Linux

PROFESSIONAL EXPERIENCE:

First United Bank, Durant, OK Jun 2024 – Till Date

.Net Developer

Participated in all phases of the SDLC including requirements gathering, design, development, testing, and deployment using Agile/Scrum methodology with sprint planning, daily stand-ups, and retrospectives.

Designed and developed enterprise-grade web applications using ASP.NET Core 6/9, MVC 5, and C#, integrating Entity Framework for secure and efficient data access.

Rebuilt client-facing modules using React.js (ES2023+) with functional components, React Hooks, and Redux Toolkit for modern state management and a responsive, high-performance UI.

Integrated React.js frontend with .NET 8 Web API through RESTful services, ensuring seamless, secure, and scalable communication between client and server.

Developed reusable React components, implemented React Router for client-side navigation, and optimized rendering performance with memoization and lazy loading.

Applied secure authentication using JWT (JSON Web Token) and role-based authorization across .NET API endpoints and protected frontend routes.

Integrated Microsoft Dynamics 365 CRM with ASP.NET Core Web APIs for seamless customer data synchronization and process automation.

Developed custom plug-ins and workflows within Dynamics 365 to automate business logic and enhance CRM functionality.

Designed RESTful API integrations between Dynamics 365, Azure Functions, and internal .NET microservices for real-time data exchange.

Developed dynamic and responsive web applications using Vue.js integrated with ASP.NET Core / Web API backend.

Implemented component-based architecture in Vue.js to improve code reusability and maintainability.

Built interactive single-page applications (SPA) using Vue Router for seamless client-side navigation.

Utilized Vuex for state management in complex applications to maintain data consistency across components.

Configured CORS policies in .NET 8 for secure cross-origin communication between React apps and backend services.

Created robust, modular APIs using ASP.NET Core Web API, following RESTful principles and leveraging dependency injection for testability and maintainability.

Implemented Azure Functions, Blob Storage, and Azure Queues to support event-driven architectures and background processing tasks.

Built scalable microservices using ASP.NET Core, exposed over both REST and gRPC, containerized with Docker, and deployed to Azure Kubernetes Service (AKS).

Provisioned and managed Azure infrastructure using Terraform, automating deployments of AKS, App Services, Function Apps, and Storage Accounts via Infrastructure as Code (IaC).

Integrated Terraform modules within Azure DevOps pipelines to orchestrate full-stack CI/CD from infrastructure provisioning to application deployment.

Designed and deployed scalable web applications on AWS, leveraging services like EC2, S3, Lambda, and RDS for secure, highly available architectures.

Developed serverless backend solutions using AWS Lambda and API Gateway, integrating with .NET Core Web APIs for event-driven workflows.

Implemented data storage and management using Amazon S3 for static assets and DynamoDB/RDS for structured data, ensuring durability and high availability.

Automated infrastructure provisioning on AWS using Terraform, creating repeatable, version-controlled deployments of EC2 instances, S3 buckets, VPCs, and security groups.

Developed MongoDB-backed microservices, optimizing schema design, leveraging MongoDB Change Streams for real-time data sync, and ensuring horizontal scalability.

Created unit and integration tests using NUnit, Postman, and Playwright to validate both backend logic and UI functionality.

Used React Testing Library and Jest for frontend test coverage and component validation.

Implemented secure web practices including OAuth2, role-based access control (RBAC), HTTPS, TLS, and encrypted storage.

Developed dynamic Razor views and reusable UI components for ASP.NET MVC applications; utilized WPF and MVVM patterns for internal desktop tools.

Managed codebase using Git, TFS, Azure Repos, and facilitated team collaboration via pull requests and protected branches.

Deployed containerized workloads using Helm charts, configured liveness/readiness probes, and implemented monitoring via Azure Monitor and Prometheus.

Ensured consistent and repeatable infrastructure deployments using Terraform workspaces, state locking, and version-controlled state backends.

Actively stayed up to date with advancements in React, .NET 9, and the broader Microsoft Cloud ecosystem to continuously enhance application architecture and team capabilities.

Environment: .NET 9, .NET Core 6, C#, MVC 5, React.js (with Hooks & Redux Toolkit), ES2023, Entity Framework, MongoDB, MS SQL Server, Azure (Functions, App Services, Queues, Blob Storage, AKS, Key Vault), Terraform, AWS, Docker, Kubernetes, Helm, Azure DevOps, GitHub Actions, Visual Studio 2022/2025, NUnit, Postman, Playwright, React Testing Library, Jest, WPF, TFS, Agile/Scrum

Sun & Ski Sports, Houston, TX Jul 2023 – May 2024

.Net Developer

Designed, developed, and maintained web applications using ASP.NET Core 5 MVC, ASP.NET Web API 2, and C#, ensuring reliable deployment on Azure IaaS and PaaS platforms.

Upgraded the front-end framework from AngularJS to Angular 13, implementing modern features like Hot Module Replacement (HMR) and RxJS for reactive data flow.

Developed RESTful services using both ASP.NET Core Web API and ASP.NET Web API 2, secured with OAuth2 and JWT, tested via Postman.

Developed and implemented Software Release Management strategies for .NET 5 applications, ensuring smooth and efficient deployments across environments.

Utilized C#, ASP.NET 5, Blazor, MVC, JavaScript, AJAX, HTML, jQuery, SQL Server for building modern, scalable, and high-performance applications. Developed and debugged using Visual Studio.

Created a WCF services layer hosted on Azure, providing a middleware solution for communication between SQL Azure and external content systems. Designed and implemented microservices architecture for scalability and flexibility.

Worked with ASP.NET Web Forms, ASP.NET 5 (Core), State Management, caching, and security best practices to optimize and secure web applications, ensuring reliable performance for business-critical processes.

Configured and deployed applications to IIS and REST-based WCF services, leveraging Entity Framework Core, WCF services, and the Enterprise Library Framework to build maintainable, reusable, and scalable enterprise applications.

Developed Web APIs and Blazor components for dynamic, interactive user interfaces, enabling seamless data interaction between client and server in .NET 5 applications.

Created customized reports based on business requirements using SSRS (SQL Server Reporting Services), and migrated data from DB2 to SQL Server for better performance and reporting capabilities.

Defined and exposed request-response message systems in JSON using HTTP-based web servers and ASP.NET Core Web APIs, providing flexible and reusable endpoints for various client applications.

Implemented business logic using .NET 5 features like Caching, Trace, and State Management within ASP.NET Web Forms and Blazor components, optimizing performance and system reliability.

Worked on ETL processes with SSIS (SQL Server Integration Services), creating data integration packages to transform data from Excel and text files to SQL Server.

Designed and developed on-demand, ad-hoc, and multi-dimensional reports using SSRS to deliver actionable insights for business users.

Developed business logic components in the middle tier using C# and .NET 5, creating reusable class libraries and complex components that integrated with other enterprise systems.

Managed and maintained CI/CD (Continuous Integration/Continuous Deployment) pipelines, automating deployments and ensuring consistency in the software release process.

Built custom Docker images for microservices, integrated with CI/CD pipelines to ensure repeatable, isolated deployments across dev, QA, and production environments.

Migrated reporting from DB2 to SQL Server, and created SSRS reports and SSIS packages for ETL workflows.

Used TFS (Team Foundation Server) for source control, branching, and merging code across development, staging, and production environments, ensuring smooth collaboration between teams.

Configured and maintained Kubernetes manifests for automated deployment to Azure Kubernetes Service (AKS), leveraging rolling updates, liveness/readiness probes, and resource quotas.

Implemented Helm charts for Kubernetes deployment standardization, promoting reusable configurations and environment-specific overrides.

Participated in unit testing, integration testing, acceptance testing, and regression testing using NUnit to ensure the quality, reliability, and performance of developed software.

Configured Kubernetes manifests for deployment strategies including rolling updates, liveness and readiness probes, and resource limits for optimized workload execution.

Environment: NET 5, Blazor, C#, ASP.NET Core, MVC, SQL Server, Azure, WCF, Web API, Entity Framework Core, IIS, SSRS, SSIS, TFS, CI/CD, NUnit, JavaScript, jQuery, AJAX, HTML, JSON, DB2, Microservices, Helm, Docker, Kubernetes, Visual Studio, Windows

Virinchi Technologies, Hyderabad, India Oct 2020 – Jan 2023

.Net Developer

Led the migration of enterprise applications from .NET Framework 4.8 to .NET Core 3.1, updating API endpoints, services, and front-end modules using C#, Angular 9/10, and TypeScript.

Developed secure and scalable RESTful APIs using both ASP.NET Core and .NET Framework, deployed to Azure Portal, and exposed endpoints with HTTP GET/POST methods, including filtering capabilities.

Utilized Test-Driven Development (TDD) practices with NUnit and MSTest, writing unit tests prior to implementation to ensure functionality met specifications and increased code reliability.

Implemented JWT bearer token authentication for securing APIs, along with OAuth 2.0 for token-based identity and access management across client applications.

Integrated WCF services for legacy inter-service communication and ensured backward compatibility with .NET Core components using gRPC and REST bridging.

Built desktop modules using WPF, implementing MVVM design pattern, custom controls, data binding, and animations for internal admin tools.

Applied form validation, two-way binding, and custom directives to enhance user experience.

Optimized Vue.js applications for performance and fast load times, including lazy loading and component caching.

Implemented responsive UI using Vue.js with Bootstrap / Vuetify, ensuring cross-browser compatibility.

Collaborated with cross-functional teams to integrate Vue.js front-end with .NET Core microservices in enterprise projects.

Applied key OOP principles — including Inheritance, Abstraction, Polymorphism, and Encapsulation — to structure reusable and maintainable code across services and data layers.

Defined and consumed web services using both XML and JSON payloads; developed REST endpoints and integrated legacy SOAP-based WCF services.

Developed UI components in Angular using @Input, @Output, and ViewChild decorators, while managing app state using NgRx (reducers, effects, actions).

Designed role-based access and secure API endpoints, with a strong focus on Cross-Site Request Forgery (CSRF) and Cross-Site Scripting (XSS) prevention.

Used ASP.NET validation controls for client-side validation, complemented with Angular reactive forms and built-in validators.

Defined data access layers with Entity Framework Core, managing SQL Server 2017 schemas, stored procedures, indexes, and constraints.

Prepared cloud infrastructure architecture in Azure for hosting migrated solutions via IaaS and PaaS, ensuring performance, scalability, and cost-efficiency.

Utilized Team Foundation Server (TFS) for version control, code reviews, and CI/CD pipelines, ensuring rapid and controlled releases across environments.

Environment: NET Core 3.1, .NET Framework 4.8, C#, ASP.NET MVC, ASP.NET Web API, WCF, WPF, Angular 9/10, NgRx, TypeScript, SQL Server 2017, T-SQL, HTML5, CSS3, JWT, OAuth 2.0, Azure IaaS/PaaS, Visual Studio, TFS, TDD, NUnit, MS Test, AJAX, JSON, CI/CD, Windows

Clematis Technology Solutions Hyderabad, India Jan 2019 – Sep 2020

.Net Developer

Delivered features and enhancements based on business and user stories, aligning solutions with both scalability and business logic efficiency in an Agile development environment.

Built modular, reusable Angular services and components using TypeScript to perform full CRUD operations, based on Angular 7/8 architecture and dependency injection principles.

Designed the Graphical User Interface (GUI) using ASP.NET MVC, coding business logic in C# MVC Controllers and ensuring a clean separation of concerns.

Utilized WPF to develop rich Windows desktop interfaces and custom WinForms controls with integrated animations for a responsive user experience.

Consumed RESTful APIs asynchronously using Angular's HTTP Client module and RxJS observables, optimizing performance and scalability.

Integrated ASP.NET Web API and Angular $http services for fast and efficient API consumption, with robust error handling and state management.

Implemented Forms Authentication and Role-Based Authorization, enforcing granular security across the application.

Used Entity Framework (Code-First) to define data models and perform CRUD operations via LINQ to Entities, communicating with SQL Server 2016.

Designed and consumed reusable RESTful Web APIs using ASP.NET Web API, supporting integration with multiple web and client applications.

Developed and maintained WCF services and legacy web services, enabling communication across distributed applications and external systems.

Created and configured IIS 7 Application Pools, enabling secure hosting and integration of WCF services across multiple projects.

Refactored applications to run in Azure Cloud, adapting APIs and background processes to function with Azure Queues and SQL Azure.

Designed and built SSIS (SQL Server Integration Services) packages for ETL processes—importing, cleansing, and transforming data from external systems into SQL Server.

Developed and deployed SSRS (SQL Server Reporting Services) reports such as tabular, matrix, and list reports using Visual Studio Report Designer, and embedded them into ASP.NET Web Forms using the Report Viewer control.

Created and optimized T-SQL objects such as stored procedures, triggers, constraints, and indexes within SQL Server 2016 for data integrity and performance.

Conducted unit and integration testing using NUnit and xUnit, maintaining over 70% code coverage to support regression and deployment quality.

Utilized Team Foundation Server (TFS) for version control, code review workflows, build automation, and project tracking in a collaborative Agile team.

Environment: NET Framework 4.8, C#, ASP.NET MVC, WCF, ASP.NET Web API, Angular 7/8, TypeScript, RxJS, NPM, Azure, HTML5, CSS3, Bootstrap, SQL Server 2016, Entity Framework, LINQ, SSIS, SSRS, T-SQL, NUnit, xUnit, TFS, WPF, Agile, Visual Studio, Windows

iPrism Technologies Hyderabad, India Jun 2016 – Dec 2018

.Net Developer

Designed, developed, debugged, tested, deploying multi-client communications, conducted design reviews, code reviews, and test plan reviews as part of the SDLC, including requirement gathering, writing high level and low level designs, building, debugging, unit testing, and inspecting test plans as part of the SDLC.

Developed ASP.NET Web Pages using C#. Contributed to requirements analysis and application design sessions.

Implemented a WCF services layer on Windows Azure. The SQL Azure Content Gateway sits between the database and the online content.

Support the deployment process, including working with CI/CD pipelines, and ensure that both React and .NET applications are deployed and maintained properly.

Created REST Services using ASP.NET WebAPI and C# to expose analytics data to the clients and hosted them in IIS, Azure.

Utilize React’s state management (e.g., React hooks like useState, useReducer) to manage complex application states efficiently.

Implement routing and navigation in React applications using React Router, ensuring smooth transitions between pages without full-page reloads.

Utilized HTML Controls, Server Controls, and User Controls to develop Web Forms for User Interfaces.

Created proxy class files that web applications could consume using C# and ASP.NET for developing and deploying Web Services (WCF).

Provided WCF services through IIS following a Service Oriented Architecture (SOA).

Used ASP.NET Master Pages, JQuery, Server Controls, User Controls, Data Grid Controls, Form Validation Controls, and Custom Controls.

Implemented ASP.Net Core and C#, Entity Framework Core, Typescript, Angular 6, JSON, HTML5, CSS3 and Bootstrap in developing a web application.

Developed front-end application using Web Forms and C#.

To increase the throughput of the WCF web service, WCF throttling and WCF concurrency were implemented.

Used Dataset, Data View, and Data Adapter to manipulate and display our data.

Utilized ADO.NET Entity Framework extensively for retrieving, querying, storing, and manipulating data.

Implemented drill-down functionality in SSRS reports, allowing users to navigate from summarized information to detailed data

Improved performance and reliability of the application were improved by using ASP.NET Core's Dependency Injection.

Utilized SQL Server "best practices" for keys, indices, and relationships to develop databases, views, stored procedures, and T-SQL statements.

Utilized NUnit to develop unit testing scenarios for Business and Service classes. Assisted with unit, integration, and regression testing phases of system testing.

Tracked all changes to the source code using the GIT tool.

Environment: Net Framework 4.8, C#, ADO.Net, Visual Studio 2017, IIS, ASP.NET, React JS, WCF, Web services, HTML5, CSS3, jQuery, AJAX, NUnit, SSRS, LINQ, GIT, SQL Server, Azure, Agile, Windows.

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