> Markdown version of [/jobs/ext/3653890-senior-developer](https://www.wearedevelopers.com/jobs/ext/3653890-senior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Developer - **Company:** Robert Half - **Location:** Muskegon, MI, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** ASP.NET, JavaScript (Programming Language), .NET Framework, Software Applications, C Sharp (Programming Language), Software Quality, Code Review, Web Development, Microsoft Dynamics, Microsoft Software, Netsuite, Software Engineering, Software Systems, Web Applications - **Published:** October 9, 2026 - **Apply:** https://www.disabledperson.com/jobs/75931342-senior-developer ## About the Role * At least 3 years of software development experience. * Hands-on experience with C# and the .NET Framework. * Working knowledge of ASP.NET for web application development. * Familiarity with JavaScript for front-end or web functionality enhancements. * Ability to learn quickly and contribute effectively in a team-oriented environment. * Strong problem-solving skills and a proactive approach to technical challenges. * Experience with NetSuite, Microsoft Dynamics 365, or similar development environments is a plus. ## Description We are looking for a Software Developer to join a collaborative team in Muskegon, Michigan. This onsite role is ideal for someone who enjoys building custom applications, solving technical problems, and growing within a service-focused environment. The position offers the chance to contribute to development efforts using Microsoft technologies while working closely with colleagues to deliver effective software solutions., * Design, build, and maintain software applications using C# and the .NET technology stack. * Develop and enhance web-based features with ASP.NET and JavaScript to support business needs. * Partner with team members to create and refine custom solutions for client-facing and internal applications. * Troubleshoot application issues, identify root causes, and implement reliable fixes. * Participate in code reviews, testing, and ongoing improvement efforts to strengthen software quality. * Support the evolution of existing systems and contribute to new development initiatives as priorities change. * Learn project-specific platforms and tools, including ERP-related environments when applicable. * Work onsite with the development team in Norton Shores, Michigan to help drive timely project delivery.