Sr. GenTax Developer

Serenity Info Tech, Inc.; Salt Lake City (UT); On-site; USD 90,000 - 120,000; Full time

Job summary

State of Utah Tax Commission seeks an experienced Application Developer (Senior Developer) in Salt Lake City to design, implement, and optimize GenTax solutions. You will work with IT teams on maintenance, upgrades, and new development within GenTax (COTS software), focusing on Motor Vehicle, Tax Processing, and Property Tax domains.

The role requires strong experience with GenTax, SQL, C#, and API services, along with analyzing and converting business requirements into technical specifications.

Qualifications

• 5+ years designing and developing solutions in GenTax system, with SQL/C# in Visual Studio.
• Experience consuming, updating, and creating API services (SOAP and RESTful).
• Strong skills in gathering requirements and translating them into technical specs via system analysis and workflow design.

Responsibilities

• Design, develop, and maintain GenTax applications using C# and SQL.
• Write advanced SQL queries and build API services to support business needs.
• Collaborate with teams to translate business requirements into technical solutions.

Skills

SQL

C#

API services (SOAP/REST)

Job description

Application Developer (Senior Developer)

Salt Lake City, Utah

4 Years

Thursday, August 27, 2026 and Friday, August 28, 2026 [CONFIRM WITH MANAGER before go-live]

Minimum Mandatory Requirements

• 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.

Scoring Criteria (with percentages)

• Cost: 20%
• Development experience with GenTax/DSVS product from Fast: 60%
• Proficiency consuming, updating, and creating API services (SOAP and RESTful): 20%
• Total: 100%

Job Intro:

The State of Utah Tax Commission 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).

Key Responsibilities

• 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.

Required Technical Skills

• 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.