Description We are offering an exciting opportunity for a Sr. Web Developer in Columbus, Ohio. This role involves developing and maintaining a variety of proprietary software, with a focus on application development. The right candidate will have the opportunity to work on new development projects as well as some maintenance work. Responsibilities include: • Developing and maintaining proprietary software in an Agile environment • Incorporating Phone application development experience into projects • Using C# for software development tasks • Implementing Microsoft Blazor in application development • Utilizing Microsoft Entity Framework for software development • Creating and maintaining responsive web applications • Applying JavaScript, CSS, HTML skills in development projects • Using SQL for managing and manipulating data • Ensuring the technical skills align with the team's requirements. Requirements • Proven experience in the Financial Services industry is necessary • Proficiency in .NET framework is required • Extensive experience with Microsoft SQL Server is essential • Strong understanding of C# - Sharp is crucial • Familiarity with Blazor for web application development is required • Proficiency in Entity Framework for data access is necessary • Solid understanding of JavaScript is essential • Expertise in CSS - Cascade Styling Sheets for web page layout is crucial • Proficiency in HTML for creating web pages is required 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) .