> Markdown version of [/jobs/ext/1753915-senior-net-application-developer](https://www.wearedevelopers.com/jobs/ext/1753915-senior-net-application-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior .NET Application Developer

- **Company:** Computer Task Group, Inc
- **Location:** Lisle, IL, United States
- **Experience:** Expert
- **Salary:** $135,200.0 - $145,600.0
- **Contract:** Temporary contract
- **Skills:** Clean Code Principles, ASP.NET, JavaScript (Programming Language), .NET Framework, Multitier Architecture, ADO.NET, Ajax (Programming Language), HTML5, Microsoft Azure, Bootstrap (Software), C Sharp (Programming Language), Client Server Models, Cascading Style Sheets (CSS), Database Development, Software Design Patterns, DevOps, Entity Framework, Github, Windows Communication Foundation, JSON, JQuery, Microsoft Visual Studio, Microsoft Software, Microsoft SQL Server, Team Foundation Server, Model View Controller (MVC), Object-Oriented Software Development, Performance Tuning, Query Optimization, SoapUI, Software Engineering, SQL Stored Procedures, Visual Studio Online, Web Applications, Postman, ReactJS, AngularJS, Solid Principles, Front End Software Development, Software Version Control, Web Api
- **Published:** July 14, 2026
- **Apply:** https://dejobs.org/x/x/9A72F7429F8D45CEAEBDAB818B856F1E/job/

## About the Role

* 10+ years of professional software development experience, preferably with significant hands-on experience in the Microsoft technology stack.
 * Strong experience with C#, .NET Framework, ASP.NET, ASP.NET Core, MVC, Web API, ADO.NET, Entity Framework, WCF, and related technologies.
 * Experience developing and supporting N-tier, client/server, web-based, and service-oriented applications.
 * Strong database development skills with SQL Server, including query optimization, stored procedures, triggers, and performance tuning.
 * Experience with front-end development using HTML5, CSS, Bootstrap, JavaScript, jQuery, Angular, React, JSON, and AJAX.
 * Working knowledge of object-oriented programming principles, SOLID principles, design patterns, and clean coding practices.
 * Experience with source control, DevOps, and delivery tools such as Azure DevOps, GitHub, TFS, Visual Studio, VS Code, Postman, and SoapUI.
 * Ability to create technical design documents, use cases, test cases, deployment documentation, and user-facing documentation.
 * Strong analytical, troubleshooting, communication, and stakeholder-management skills

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.



## Related Videos

- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)
- [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json)
- [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web)
- [You’re a great coder? That alone won’t get you far: The soft skills secret in IT success](https://www.wearedevelopers.com/videos/1076-you-re-a-great-coder-that-alone-won-t-get-you-far-the-soft-skills-secret-in-it-success)
- [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure)
- [Can SVG be fast? Rendering a scatter chart with over 10k points](https://www.wearedevelopers.com/videos/100299-can-svg-be-fast-rendering-a-scatter-chart-with-over-10k-points)

## Related Articles

- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)
- [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)