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Senior .NET Developer – C#, WinForms, .NET Core, Azure

Intrepid Professional Search Group
Independence, NJ Full Time
POSTED ON 5/16/2026
AVAILABLE BEFORE 6/15/2026

Senior .NET Developer – C#, WinForms, .NET Core, Azure


Location: Warren, NJ (Hybrid – Must be able to commute daily, relocation NOT provided)
Type: Full-Time | Direct Hire | Competitive Salary Excellent Benefits

We are looking for a Senior .NET Developer with strong WinForms and Azure experience to join a stable, well-established organization in Warren, NJ. This is a high-impact role where you will design, develop, and maintain complex .NET applications while mentoring junior developers and serving as a technical escalation point.

Key Responsibilities:

  • Design, develop, and maintain robust, high-performance .NET applications (Framework and .NET Core)
  • Write clean, scalable, and testable code in C#
  • Develop and maintain WinForms applications (strong expertise required)
  • Build and consume REST APIs and web services
  • Work with Azure services (Key Vault, Blob Storage, Graph API, and others)
  • Develop and optimize complex T-SQL queries, stored procedures, and database schemas with strong performance tuning skills
  • Utilize Entity Framework (Core and Standard)
  • Create technical specifications, architecture diagrams, and documentation
  • Review and refactor code to ensure adherence to best practices and high-quality standards
  • Mentor and support junior developers
  • Manage multiple complex projects simultaneously in a fast-paced environment
  • Stay current with modern software development methodologies and .NET ecosystem advancements

Required Technical Skills:

  • Strong proficiency in .NET Framework and .NET Core
  • Expert-level C# development
  • Very strong WinForms experience (this is a core requirement)
  • Solid understanding of Object-Oriented Design, threading, Dependency Injection, and asynchronous programming
  • Azure technologies (Key Vault, Blobs, Graph API, etc.)
  • Expert-level SQL / T-SQL with performance tuning experience
  • Entity Framework (Core Standard)
  • REST APIs and Web Services

Nice-to-Haves:

  • HTML5, JavaScript, jQuery, JQWidgets
  • TypeScript and Angular
  • C /MFC experience

Qualifications:

  • BS or Master’s degree in Computer Science, Engineering, or related field
  • 7 years of hands-on .NET development experience
  • Proven ability to lead technical decisions and mentor others
  • Strong problem-solving skills and attention to detail

What We Offer:

  • Competitive base salary (up to $160k depending on experience)
  • Excellent benefits package: 401(k) with matching, Health/Dental/Vision, HSA/FSA, Life Insurance, PTO, Parental Leave, Employee Discounts
  • Hybrid work model (must be able to commute to Warren, NJ daily)
  • Opportunity to work on complex, business-critical applications with visible impact

If you are a strong .NET developer with solid WinForms, Azure, and SQL skills, we want to hear from you!

Salary : $140,000 - $160,000

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