Senior Net Software Developer Jobs in Allentown, PA

Location: Warren, New Jersey
Employment Type: Full-Time
Work Arrangement: Onsite / Hybrid based on business requirements
Industry: Information Technology / Enterprise Software Solutions

We are seeking an experienced Team Lead / Senior .NET Developer to join a well-established global organization and contribute to the design, development, and enhancement of business-critical software applications.

This is a hands-on technical role suited for a seasoned .NET professional who combines strong software engineering expertise with the ability to provide technical guidance and mentorship to other developers. The successful candidate will work on complex application initiatives, contribute to architectural decisions, and help maintain high standards of software quality, scalability, and performance.

Candidates must be able to reliably commute to Warren, NJ. Employer sponsorship is not available for this position.

• Design, develop, and maintain robust, high-performing applications using Microsoft .NET technologies.

• Translate business and system requirements into technical specifications and scalable software solutions.

• Contribute to application architecture and serve as a technical escalation point for complex development matters.

• Develop clean, maintainable, reusable, and testable code in accordance with established coding standards.

• Review existing applications and identify opportunities for code optimization and refactoring.

• Test, troubleshoot, and debug .NET applications to improve application stability and performance.

• Work simultaneously across multiple complex software development projects.

• Participate in technical design discussions and promote modern software development patterns and methodologies.

• Support, mentor, and provide technical direction to junior developers.

• Collaborate effectively with development teams, technical stakeholders, and business partners.

• Develop and maintain technical and operational documentation.

• Remain current with emerging technologies, software engineering practices, and relevant industry developments.

• Strong professional experience with C# and the .NET ecosystem.

• Extensive knowledge of .NET Framework and .NET Core.

• Very strong hands-on expertise with Windows Forms (WinForms).

• Advanced understanding of object-oriented software design and development principles.

• Strong experience with multithreading, dependency injection, and asynchronous programming.

• Hands-on knowledge of Microsoft Azure technologies, including Key Vault, Blob Storage, Microsoft Graph API, and related cloud services.

• Expert-level SQL and T-SQL development skills.

• Strong understanding of database schemas, query optimization, and performance tuning.

• Experience with Entity Framework and Entity Framework Core.

• Strong knowledge of REST APIs and web services.

• Experience applying modern software design patterns, coding standards, and development methodologies.

• Ability to manage and contribute to multiple technically complex projects.

Experience with one or more of the following would be an advantage:

• C++ / MFC

• HTML5

• JavaScript

• jQuery

• JQWidgets

• TypeScript

• Angular

• Ability to provide technical leadership and guidance to development teams.

• Experience mentoring or supporting junior software developers.

• Strong analytical and complex problem-solving capabilities.

• Ability to evaluate architectural and technical challenges and recommend effective solutions.

• Strong communication and cross-functional collaboration skills.

• Commitment to software quality, technical excellence, and continuous improvement.

Bachelor's or Master's degree in Computer Science, Engineering, Software Development, or a closely related technical discipline.

The organization offers a comprehensive employee benefits package that may include:

• 401(k) retirement plan

• Employer 401(k) matching

• Health, dental, and vision insurance

• Flexible spending account

• Health savings account

• Life insurance

• Paid time off

• Parental leave

• Employee discount programs

This is an excellent opportunity to join a stable global organization and take on a highly visible technical role involving hands-on software development, architecture, and team mentorship. The position offers exposure to complex enterprise applications and the opportunity to influence software engineering standards and technical direction.

Qualified candidates with strong .NET, C#, WinForms, Azure, SQL, and technical leadership experience are encouraged to apply.