Hello, I’m Sudhir Kumar, a Senior Full-Stack .NET Developer with over eight years of hands-on experience building scalable web applications using ASP.NET, MVC, Web API, and Angular. I thrive on translating complex requirements into robust backend systems and responsive front-ends, integrating third-party APIs, and delivering solutions that perform well under load. I currently work as an independent freelancer on Upwork with a track record of successful international projects and reliable post-deployment support.…

Sudhir Kumar

Hello, I’m Sudhir Kumar, a Senior Full-Stack .NET Developer with over eight years of hands-on experience building scalable web applications using ASP.NET, MVC, Web API, and Angular. I thrive on translating complex requirements into robust backend systems and responsive front-ends, integrating third-party APIs, and delivering solutions that perform well under load. I currently work as an independent freelancer on Upwork with a track record of successful international projects and reliable post-deployment support.…

Available to hire

Hello, I’m Sudhir Kumar, a Senior Full-Stack .NET Developer with over eight years of hands-on experience building scalable web applications using ASP.NET, MVC, Web API, and Angular.

I thrive on translating complex requirements into robust backend systems and responsive front-ends, integrating third-party APIs, and delivering solutions that perform well under load. I currently work as an independent freelancer on Upwork with a track record of successful international projects and reliable post-deployment support.

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Skills

Experience Level

ASP.NET
Expert
SQL
Expert
JavaScript
Expert
Bootstrap
Expert
HTML5
Expert
jQuery
Expert
JIRA
Intermediate
Xamarin
Intermediate

Work Experience

Senior Full-Stack .NET Developer at Creatick Solutions
January 1, 2018 - Present
Developed full-stack web applications using ASP.NET Core, MVC, and Web API with Angular 6+ front-end. Designed and optimized SQL Server database objects — stored procedures, functions, triggers, and views — for high-performance reporting (SSRS / Stimulsoft). Integrated third-party APIs including QuickBooks API, Autotask API, and GunBroker API for seamless business workflows. Built RESTful and SOAP-based APIs and consumed external web services for cross-platform data exchange. Created responsive UIs using HTML5, CSS3, Bootstrap, JavaScript, jQuery, AJAX, Telerik Controls, and Kendo UI. Implemented background job scheduling via Hangfire and caching strategies to improve application performance. Managed source control and workflows using Git, GitHub, Bitbucket, TFS, and SVN; tracked issues via Atlassian JIRA. Delivered Excel add-in development (JavaScript) and documented APIs via Swagger and Postman. Extended solutions across platforms with Xamarin mobile apps and Mac desktop applicat

Education

Master of Computer Applications (MCA) at Chandigarh University
January 1, 2015 - January 1, 2017
Bachelor of Computer Applications (BCA) at HPU Shimla
January 1, 2011 - January 1, 2014
12th Standard (XII) at HPSEB Dharamshala
January 11, 2030 - January 1, 2011
10th Standard (X) at HPSEB Dharamshala
January 11, 2030 - January 1, 2009

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services
    paper Dennis Shipping

    Designed, built and maintained a full cargo logistics web application operating across New York, Florida, Jamaica & Barbados. Features: shipment tracking, pickup scheduling, payment processing, customs docs, and a multi-office agent portal. Stack: ASP.NET Core · C# · SQL Server · Entity Framework · Azure.