• Senior Software Developer

    Robert Half Technology (Philadelphia, PA)


    Description We are looking for an experienced Senior Software Developer to join our team on a 6-month contract in Philadelphia, Pennsylvania. In this role, you will leverage your expertise in .NET, C#, and Blazor to design, develop, and maintain high-quality, full-stack web applications. This is a fantastic opportunity to work in a dynamic environment, contributing to impactful software projects using cutting-edge Microsoft technologies.

    Responsibilities:

    • Design, develop, and maintain scalable full-stack web applications using C#, .NET Framework, and Blazor.

    • Develop and integrate APIs and web services to ensure seamless data exchange and application functionality.

    • Build and maintain robust client applications, ensuring compatibility with external services and internal systems.

    • Create and optimize database solutions using Microsoft SQL Server, including stored procedures and performance tuning.

    • Collaborate closely with project managers, team leads, and other developers to deliver high-quality software solutions.

    • Conduct thorough code reviews and resolve technical issues to maintain optimal application performance.

    • Manage development environments using Visual Studio to ensure efficient coding and workflow processes.

    • Quickly adapt to existing codebases and development practices to contribute effectively within the contract period.

    • Stay informed about best practices and advancements in Microsoft technologies and cybersecurity protocols. Requirements • Proven experience in full-stack development with C# and .NET Framework or .NET Core.

    • Advanced knowledge of Blazor for both server-side and WebAssembly development.

    • Expertise in designing and consuming APIs and web services, with experience in handling various authentication methods.

    • Strong skills in Microsoft SQL Server, including T-SQL programming, database design, and query optimization.

    • Proficiency in Visual Studio for .NET development, with attention to detail.

    • Solid understanding of web development technologies, including HTML5, CSS3, and JavaScript.

    • Familiarity with version control systems such as Git for collaborative development.

    • Strong problem-solving skills and ability to work independently within tight deadlines. Technology Doesn't Change the World, People Do.®

     

    Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

     

    Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

     

    All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

     

    • 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) .