.Net Developer Web Api

Name: Supraja. K

Email: ***************@*****.***

Phone: 281-***-****

Senior .NET developer

Professional Summary:

Over 5 years of experience in software development, analysis, and testing, with expertise across Insurance, Commercial, Finance, and Healthcare domains.

Strong technical foundation in Microsoft Technologies: .NET, ASP.NET MVC, VB.NET, Web API, WPF, Silverlight, LINQ, and Entity Framework, Blazor.

Skilled in Azure Cloud Services for deploying, managing, and maintaining compute, network, and storage resources using ARM templates for infrastructure automation.

Proficient in Azure IaaS including Authentication, Azure DevOps Virtual Networks, Virtual Machines, Resource Groups, Traffic Manager, VPN, Load Balancing, and Application Gateways.

Experienced in Design Patterns such as MVC, MVP, MVVM, and Singleton for building scalable and maintainable applications.

Advanced knowledge in LINQ (to Objects, SQL) for data access and manipulation, enhancing application performance and query efficiency.

Proficient in WPF and WinForms for building desktop applications using the MVVM pattern and .NET Framework versions 2.0 through 4.6.

Extensive experience with SOA architecture and RESTful services using ASP.NET Web API for lightweight, efficient data exchange.

Strong database skills with SQL Server, MongoDB, and Oracle, including T-SQL, SSIS, SSRS, and building Stored Procedures and Triggers.

Skilled in Object-Oriented Programming (OOP), with expertise in Inheritance, Polymorphism, and design patterns like Abstract Factory and Singleton.

Developed Single Page Applications (SPA) using ASP.NET Web API and AngularJS, leveraging the Code First Approach in Entity Framework.

Extensive front-end experience with HTML5, CSS3, JavaScript, AngularJS, Bootstrap, and third-party controls like Telerik and DevExpress.

Knowledgeable in .NET Security, including Authentication & Authorization with Windows and Forms-based authentication.

Developed ASP.NET MVC applications using Code First Approach in Entity Framework 4 and UI in Razor View Engine and have experience with the MVC Architecture.

Design and GUI development in Windows Presentation Foundation (WPF) and Windows Forms.

Used RESTful Web Services (Web API) as service approach and Entity Framework as an ORM tool.

Implemented complex and optimized complex logic entity framework queries to fetch and save the data. Optimized the Entity Framework queries for Mobile Development.

Designed and Implemented Web API Service, validations in the Middle tier.

Experience in working with WCF Services and XML Web Services using SOAP and

WSDL following SOA in a distributed environment.

Writing Stored Procedures and User Defined Scalar Functions (UDFs) to be used in the SSIS packages SQL Scripts.

Used SSIS to manipulate data to integrate the SQL Server database into larger processes

Designed and developed reports using SSRS. Reports were developed against a variety of

data sources which included SSRS.

Experience in deployment using IIS Application Servers.

Experienced in CI/CD pipelines using Jenkins, MS Build, Git, and Team Foundation Server (TFS), facilitating efficient automated build processes.

Proficient in unit testing frameworks like NUnit, along with Integration Testing to ensure robust, high-quality code in Agile and TDD environments.

Technical Skills

Languages

C#, .NET, C++, C, Java, Python

Web Technologies

ADO.NET, MVC, AJAX, SOAP, Web Services, Confidential, HTML, DHTML, CSHTML, Master Pages, Bootstrap, Angular JS, CSS, jQuery

Databases

SQL Server, Oracle 9i, 10g

IDE

Visual Studio, .NET Framework

Frameworks

.NET Framework, .Net 6 & 8, Blazor

Web Server

IIS

Web Services

XML, Web API, Azure API management, WCF, Web Services, SOAP APIs

Reporting Tools

Crystal Reports, SSRS

Scripting Languages

JavaScript, jQuery, Angular JS

Operating Systemst6

Windows Family, Linux

Version Control

GIT, TFS, Tortoise SVN

Servers

Windows

Cloud

Microsoft Azure Authentication, Azure DevOps, AWS

Professional Experience:

Client: Comerica Bank – Dallas, TX April 2024 to Till Date

Role: Sr .NET Full Stack Developer

Responsibilities:

Proficient in managing Azure services, including Web Roles, Worker Roles, SQL Azure, Azure Storage, PaaS, and IaaS solutions.

Skilled in configuring Azure Storage Accounts and managing blobs, tables, and queues for scalable data persistence.

Strong expertise in C#, Entity Framework, Blazor, and LINQ for robust application backend development, with experience in converting HTML templates to PDFs using HIQPDF.

Advanced in writing complex SQL and T-SQL queries, stored procedures, and views for Microsoft SQL Server, Oracle and other relational databases.

Developed and consumed WCF Services, interfacing with Windows Active Directory and SQL Server, with secure endpoint configurations, and implemented RESTful APIs for lightweight data exchange.

Designed comprehensive Data Access Layer (DAL) and Business Logic Layer (BLL) using C#, MVC, and ADO.NET.

Experienced in MongoDB and Elasticsearch, including integrating Elasticsearch with SQL Server 2016 and Oracle for enhanced search capabilities.

Proficient in Angular for creating dynamic Single Page Applications (SPAs), utilizing Dependency Injection, Components, Services, Routing, and Directives for seamless user experience.

Expertise in Angular CLI for efficient project setup, RxJS for reactive programming, and NgRx for state management in complex applications, ensuring data consistency and optimal performance.

Employed JSON as the data format for secure and efficient data exchange between

microservices, merchant systems, and external payment networks.

Leveraged Azure API Gateway to route and secure API traffic, implementing rate

limiting, caching, and request authentication for enhanced performance and security.

Implemented secure authentication and authorization using OAuth2, protecting API

endpoints and enabling secure merchant onboarding.

Designed and developed a responsive user interface for merchants using Angular 18, integrating with backend APIs for real-time transaction updates and reporting dashboards.

Utilized HTML, CSS, JavaScript, Bootstrap, and TypeScript to build a dynamic, user-friendly front end for merchants manage payment options, view transaction history, and

process refunds.

Managed transaction data using SQL Server, ensuring structured storage of customer,

merchant, and transaction records while optimizing query performance for reporting modules.

Integrated Apache Kafka as the Message Queue for asynchronous communication between services, ensuring reliability in processing high transaction volumes and handling retries for failed transactions.

Conducted unit testing for backend services using xUnit, covering critical transaction

workflows and achieving high code coverage. Performed end-to-end component testing for comprehensive quality assurance.

Performed frontend testing using Karma and Jasmine to validate Angular components and interactions, ensuring a seamless user experience.

Utilized Swagger UI to test and document RESTful APIs, ensuring accurate and comprehensive API specifications for external users.

Created responsive and accessible UIs using Angular Material and Bootstrap, adhering to WCAG standards for accessibility and prioritizing mobile optimization.

Skilled in implementing ASP.NET Win Forms and migrating applications from AngularJS and MVC to modern HTML-based solutions.

Extensive use of ADO.NET and LINQ for efficient data retrieval, querying, and manipulation, ensuring fast, reliable backend data access.

Expertise in TFS-2015, VSTS, and GIT for collaborative development and version control.

Proficient in technical and design documentation, working effectively within teams and coordinating with offshore teams.

Environment: .NET Framework 4.6, C#, ASP.NET MVC5, WinForms, WCF, Web API (RESTFUL services), Confidential Services Angular JS 16.0, Elasticsearch, CSS3, Bootstrap, HTML 5, Visual Studio 2018/19, Microsoft Azure 2.7 & 2.9, TFS, VSTS, IOT (Internet of Things).

Client: Molina HealthCare – Long Beach, CA Jan 2023 to March 2024

Role: Sr. Full Stack .NET Developer

Responsibilities:

Developed secure healthcare applications in compliance with HIPAA standards, ensuring confidentiality and integrity in EHR systems.

Migrated on-premises servers, hard drives, and web applications to Azure using PowerShell, enhancing scalability and data security.

Created and managed Azure VNETs, Storage Containers, and Load Balancers to optimize cloud infrastructure.

Configured Azure services for endpoint deployment and enabled OpenID and Windows Live authentication for secure cloud applications.

Developed and deployed ASP.NET web apps and web jobs using Visual Studio, Blazor, GitHub, and Azure Resource Manager.

Integrated applications with healthcare data sources such as HL7 and FHIR, enhancing data accessibility and communication between providers.

Created and maintained Azure Blob Storage for unstructured data, implemented localization APIs, and managed data integration through SSIS packages.

Designed custom reports with SSRS and developed Windows Services for automated data loading, streamlining data operations.

Developed and deployed XML Web Services and RESTful APIs with ASP.NET MVC architecture, enabling seamless backend communication.

Designed and integrated automated communication features within the system, including appointment reminders, health tips, and follow-up notifications, improving patient engagement and reducing no-show rates.

Ensured HIPAA-compliant data protection within the CRM system, implementing OAuth2 authentication and encryption techniques (AES-256) to safeguard sensitive patient information and comply with healthcare data privacy standards.

Streamlined the billing and insurance processing workflow by integrating external billing systems, enabling seamless processing of insurance claims and payment tracking directly within the CRM platform, improving operational efficiency and reducing administrative workload.

Managed patient and transactional data in SQL Server, optimizing queries for performance and ensuring data integrity and security.

Integrated RabbitMQ as the message queue for asynchronous communication, ensuring reliable processing of patient appointment updates and notifications.

Wrote unit tests for backend services using xUnit, ensuring API endpoints and business logic were reliable and performed as expected.

Conducted frontend testing using Karma and Jasmine to ensure UI components worked as intended and provided a seamless user experience.

Utilized Postman and Swagger UI for API testing, validation, and documentation, ensuring integration with third-party systems was smooth and accurate.

Automated CI/CD pipelines using Azure DevOps, streamlining the build, testing, and deployment process to ensure frequent and reliable application updates.

Deployed the application on Azure Cloud using API Gateway for secure API management and traffic routing, ensuring high availability and scalability.

Managed version control using Git, ensuring clean and efficient collaboration between development teams.

Writing Software Requirement Specifications & Test cases, Object Oriented Analysis and Design (OOAD) using UML with Microsoft Visio.

Built responsive applications with HTML5, CSS, JavaScript, SASS, LESS, Kendo UI, and Bootstrap for cross-platform compatibility.

Created SPAs using AngularJS and integrated with RESTful APIs and Web Sockets, ensuring real-time data flow and optimized user experience.

Proficient in Jasmine, Karma, and Protractor for testing, along with Chrome Developer Tools for debugging, ensuring application reliability.

Created optimized stored procedures/functions in SQL Server and Oracle and configured high-availability MongoDB replica sets.

Followed Agile (Scrum) methodology, TDD, and utilized JIRA and TFS for project management, version control, and continuous integration.

Engaged in code reviews, collaborated with team members, and gathered business requirements from end-users and analysts, ensuring high-quality, user-centered applications.

Environment: NET Framework 4.5, C#, ASP.NET MVC5, WinForms, WCF, VB.NET, Web API, Confidential Services, AngularJS, CSS3, Bootstrap, HTML 5, Visual Studio 2019, Microsoft Azure, N-Unit, JSON, Mongo DB, SQL Server 2012, Oracle, Kendo UI, Telerik Rad Controls, Entity Framework, Blazor, LINQ, TFS, Bootstrap, Agile Methodology, Jira.

Client: Soft Sol – India July 2021 to Nov 2022

Role: C# Developer

Responsibilities:

Collaborated with business groups and clients to gather and clarify project requirements, ensuring alignment with user needs and business objectives.

Developed and enhanced Windows applications using C# and WPF, implementing DataGrid, User Controls, Custom Controls, and UI styling through styles, triggers, and templates.

Designed rich presentation layers using Silverlight and WPF with XAML, Expression Blend, Styles, and Animations to create engaging user experiences in web and desktop applications.

Developed middleware components with WCF RIA Domain Services and Entity Framework using data context to perform asynchronous database operations and update data efficiently.

Designed SQL databases, including tables, indexes, and views, to optimize data access and storage, supporting scalable and responsive application backends.

Collaborated with application developers to create efficient SQL scripts using T-SQL for data manipulation, and developed stored procedures, triggers, and user-defined functions.

Leveraged Prism for modular application development in WPF and Silverlight, enhancing code reusability and maintainability, and utilized LINQ for optimized data queries.

Applied advanced UI styling with resource files, control templates, and storyboards to deliver consistent and dynamic user interfaces across applications.

Implemented asynchronous data updates to improve application performance and user experience, reducing system latency and enhancing data processing efficiency.

Environment: C#, MVC5, WCF, Web API, .Net Framework 4.0, Nunit, HTML5, CSS3, AJAX, SQL Server 2014, MS Access Database, SSIS, Solid Principles, Design Pattern, ADO.NET, ASP.NET MVC5, Entity Framework, PL/SQL, T-SQL, JavaScript, XAML, MS SQL Server, WPF, MVVM, PRISM, TFS 2015.

Education:

Masters in Computer Science at University of Houston, Clearlake, TX - 2024

Bachelor’s of Technology in Computer Science Engineering from KKR&KSR Institute Of Technology And Sciences - 2022

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