.Net Developer C#

PAVANKALYAN

Email: **********@*****.*** Phone: +1-508-***-****

LinkedIn:www.linkedin.com/in/pavan-d-66978516a

Professional Summary

Full Stack .NET Developer with 5+ years of experience in building, maintaining, and modernizing enterprise-grade applications using ASP.NET, C#, Web API, Angular, React, and SQL Server.

Experienced in designing RESTful services, scalable microservices, and data-intensive backend systems using .NET Core, ADO.NET, and Entity Framework.

Strong exposure to cloud-native development and automation on Azure, including Azure Functions, Logic Apps, Service Bus, and CI/CD pipelines via Azure DevOps.

Adept in designing responsive front-end interfaces using Angular 8–14, Bootstrap, HTML5, CSS3, and JavaScript to deliver seamless user experiences across devices.

Proficient in Agile/Scrum environments with version control using Git and TFS, unit testing with NUnit/XUnit, and continuous integration using GitFlow and Jenkins.

Skilled at debugging complex production issues, refactoring legacy applications, and optimizing queries — consistently contributing to performance, reliability, and maintainability.

Demonstrated ability to work in cross-functional teams and contribute to design discussions, architectural reviews, and collaborative development efforts in fast-paced, distributed environments.

Technical Skills

Languages: C#, VB.NET, JavaScript, TypeScript, SQL, T-SQL, PL/SQL, VBA

Frontend: Angular (8–14), AngularJS, HTML5, CSS3, Bootstrap, jQuery, AJAX, JavaScript, XAML

Backend: .NET Core, .NET Framework 4.5–6, ASP.NET MVC/Web API, ADO.NET, WinForms, WPF, Entity Framework 6, LINQ

Cloud & DevOps: Azure App Services, Azure Functions, Logic Apps, Service Bus, Azure DevOps, Docker, ARM Templates

Databases: SQL Server 2008–2019, Azure SQL, Oracle, MongoDB, PostgreSQL

Tools: Visual Studio 2015–2022, VS Code, Postman, Swagger, SSRS, SSIS, Excel Object Model, Power BI

Testing: NUnit, MSTest, XUnit, Selenium WebDriver, Just Mock

Version Control: Git, GitFlow, Bitbucket, TFS, Azure Repos

Concepts: SOA, REST, SOAP, MVC, MVVM, OOP, SOLID, TDD, SDLC, Agile/Scrum, CI/CD

Work Experience

TD Bank Cherry Hill, NJ (Remote)

Full Stack .NET Developer Feb 2024 – Present

Designed scalable ASP.NET-based UI components in both C# and VB.NET, supporting dynamic user interaction for financial applications.

Developed Excel-integrated tools using VBA and the Excel Object Model to automatically transform and validate multi-sheet datasets, reducing manual cleanup by 60%.

Migrated legacy Excel macros into structured event-driven modules to increase maintainability and reduce error rates across batch operations.

Built C# WinForms components for back-office users, allowing administrators to configure and manage 15+ customer-specific workflows.

Created SOAP-based services using WCF for transactional communication with Loan IQ and integrated .NET service layers.

Built dynamic grids with editing, sorting, and custom logic using Data GridView and ADO.NET, improving UI responsiveness.

Led the end-to-end database design for assessment modules, building complex stored procedures, triggers, and views.

Delivered WPF-based administrative forms using XAML and MVVM principles to enhance configurability and code separation.

Developed RESTful Web APIs in ASP.NET MVC 5 for internal application communication and external integration.

Used AngularJS and Bootstrap to create modular, responsive layouts used by over 100 users across 5 departments.

Coordinated with QA to introduce SOA-based testing practices that reduced pre-production defects by 25%.

Used NUnit to write regression test suites, increasing test coverage across business modules by 35%.

Supported the Loan IQ migration project by resolving 30+ critical issues and documenting long-term fixes.

Participated in architecture meetings to propose modular enhancements in SOA design, enabling faster integration with third-party APIs.

Integrated SQL Server XML classes for handling large-formatted data documents as part of reporting workflows.

Gathered requirements directly from stakeholders and business analysts to map user expectations to technical implementation.

Environment: Visual Studio 2015, MVC 5.0, ASP.NET, VB.Net 11.0, C#, .NET Framework 4.5, ADO.NET, WPF, WinForms, AngularJS, Bootstrap, AJAX, JSON, JavaScript, XML/XSLT, jQuery, Web Services, WCF, SOAP, SQL Server 2008/2012, NUnit

OPTUM NorthCarolina (Remote)

Application Developer III Jan 2023 – Jan 2024

Designed and deployed .NET 6 APIs that power insurance claim systems, with full integration to Azure Functions and Logic Apps for downstream processing.

Developed over 10 internal desktop tools using WPF and WinForms, automating previously manual insurance workflows and saving ~100 hours/month.

Migrated legacy services to microservices architecture hosted on Azure App Services, improving scalability by 45%.

Built Angular 14 forms using Reactive Forms and Material Design for dynamic user experiences.

Delivered SSRS reports for healthcare billing teams and automated claim reconciliation using SSIS ETL flows.

Wrote complex LINQ queries for high-volume data layers, optimizing average query response time from 1.2s to 600ms.

Created Azure DevOps pipelines with GitFlow branching to automate code builds, test suites, and production deployments.

Implemented OAuth2.0 and JWT-based token validation for secure API communication.

Refactored legacy C# modules by separating business and data access layers using Repository Pattern.

Introduced caching and retry strategies in distributed services to minimize downtime and improve resiliency.

Built reusable helper libraries for error handling, API formatting, and logging adopted across 4 teams.

Coordinated with testers to create NUnit test suites with over 85% coverage across major application layers.

Facilitated backlog grooming and sprint retrospectives with onshore and offshore teams across 3 time zones.

Applied dependency injection and followed SOLID principles to reduce code coupling and increase unit testability.

Delivered bug-free production releases biweekly by integrating QA, DevOps, and peer review feedback loops.

Improved SLA response compliance by resolving over 90% of production incidents within 2 hours.

Environment: Visual Studio 2019, .NET Core 6, C#, MVC 5, Angular 14, WPF, WinForms, Entity Framework, LINQ, Azure Functions, Azure DevOps, Git, GitFlow, SQL Server, SSRS, SSIS, Docker

TATA CONSULTANCY SERVICES LIMITED Hyderabad

.NET Developer Jan 2022 to Aug 2022

Designed and developed ASP.NET Core Web API services to handle secure transactions and audit trails for financial modules.

Built Angular 8 dashboards with dynamic filters, charts, and sortable tables for real-time data visualization.

Migrated legacy front-end logic from AngularJS to Angular 6+, reducing UI latency by 20%.

Implemented batch processing jobs with SSIS and automated recurring jobs to replace manual file imports.

Configured Entity Framework with Code First approach to handle schema changes and migrations smoothly.

Created WCF services to communicate with legacy systems, handling SOAP messages with data contracts.

Improved test coverage to 90% for core modules using NUnit and integrated test automation into GitLab CI.

Wrote optimized T-SQL procedures and introduced indexing strategies that reduced report generation times by 40%.

Delivered Swagger documentation for external integration partners to onboard and test APIs independently.

Conducted code reviews and enforced team coding standards, reducing review rework cycles by 30%.

Designed modular Razor views with shared layouts and reusable UI patterns for consistency.

Mentored 2 new joiners in ASP.NET Core and Angular development practices.

Provided post-production support and resolved 20+ live bugs across 3 internal environments.

Participated in client calls for requirement gathering and sprint planning sessions.

Used Git and Jenkins to deploy builds automatically into dev and UAT environments.

Environment: ASP.NET Core, MVC 5, Angular 8, Razor, C#, Web API, WCF, Entity Framework, SQL Server 2012, Jenkins, GitLab, NUnit, Swagger, Git, Visual Studio 2015

TECHMORGONITE SOFTWARE SOLUTIONS Hyderabad

Jr.NET Developer Aug 2019 to Dec 2021

Developed REST APIs in ASP.NET Core to support authentication, order management, and notification services.

Used Angular 8 and Reactive Forms to build complex forms with nested components and conditional validation logic.

Built WCF services with XML payloads and multiple binding configurations for secure inter-module communication.

Delivered over 15 SSRS reports for customer onboarding, revenue tracking, and executive dashboards.

Created ETL packages in SSIS to import vendor data from flat files, reducing onboarding time by 70%.

Refactored existing stored procedures and functions for better reusability and modularity.

Developed WinForms admin tools to assist internal IT support in managing user roles and system flags.

Maintained MVC-based web apps and converted them gradually into SPA architecture using Angular 9.

Wrote and maintained 30+ NUnit test cases as part of test-driven development workflow.

Created responsive UIs using Bootstrap 4 and integrated FontAwesome icons for better user experience.

Built file upload modules that validate and parse incoming CSVs and sync data into SQL tables.

Worked closely with UI/UX designer to implement pixel-perfect front-end components.

Participated in sprint planning and contributed to backlog grooming every two weeks.

Handled TFS branching and merging for UAT releases, ensuring clean releases to stakeholders.

Collaborated with cross-functional teams to debug production issues and provide long-term fixes.

Environment: .NET Core, Angular 8/9, Web API, WCF, MVC 5, Entity Framework, SQL Server, SSRS, SSIS, NUnit, Bootstrap, HTML5, Git, TFS, Visual Studio 2017

Education

Rivier University NASHUA, NH

Master’s in Computer Science

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