Intrepid Professional Search Group

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!