> Markdown version of [/jobs/ext/2557447-application-developer-senior-developer](https://www.wearedevelopers.com/jobs/ext/2557447-application-developer-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). --- # Application Developer (Senior Developer) - **Company:** Prismagic Solutions Inc - **Location:** West Valley City, UT, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Software Applications, Application Performance Management, C Sharp (Programming Language), Code Review, Data Conversion, Systems Analysis, Microsoft Visual Studio, Simple Object Access Protocol (SOAP), SQL Databases, Web Services, Freeform SQL, Information Technology, Restful APIs - **Published:** August 10, 2026 - **Apply:** https://www.careerjet.com/jobad/usbc32de92479ff05a19f3cc8cca90a72e ## About the Role * Minimum 5 years of experience in designing and developing solutions within the GenTax system, with demonstrated proficiency in SQL and C# using Visual Studio. * Proficiency consuming, updating, and creating API services (SOAP and RESTful). * Strong experience in functional requirements gathering and transferring requirements into technical specifications through system analysis and workflow/process design., * Minimum 5 years of experience designing and developing solutions within the GenTax system, with demonstrated proficiency in SQL and C# using Visual Studio. * Proficiency consuming, updating, and creating API services (SOAP and RESTful). * Strong experience in functional requirements gathering and translating them into technical requirements through system analysis and workflow/process design. Preferred Qualifications: * Solid understanding of Tax Commission business processes in relation to the GenTax system. * Experience implementing data conversion processes during software version upgrades. * Strong analytical and problem-solving skills. * Excellent communication and interpersonal abilities. * Ability to work independently and collaboratively in a team environment. * Ability to mentor team members of all skill levels. * Work experience as an IT Architect is a plus. ## Description The client department is seeking a talented and experienced developer with extensive knowledge of GenTax systems to work closely with an IT development team supporting Tax Commission applications. This role designs, implements, and optimizes solutions across Motor Vehicle Title and Registration, Motor Vehicle Enforcement, Tax Processing, and Property Tax. As a senior developer, you will play a crucial role in the analysis, design, and implementation of maintenance, upgrade, and new development projects within GenTax (COTS software)., * Design, develop, and maintain software applications within the GenTax system using C# and SQL, including writing advanced SQL queries and implementing API services to support business requirements. * Collaborate with cross-functional teams to gather and analyze business requirements and translate them into technical solutions. * Perform code reviews and ensure adherence to coding standards and best practices. * Troubleshoot and resolve production issues related to application performance, functionality, and integration points. * Identify problems or potential problem areas and recommend solutions. * Stay updated with the latest technologies and industry trends to propose innovative solutions and improvements. * Provide technical guidance and mentorship to junior team members., We are looking for a Senior Developer to design, optimize, and maintain core application modules! 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