Serenity Info Tech, Inc.
Serenity Info Tech, Inc.Verified Source

Senior GenTax Developer, C# SQL & API Integration

Onsite · Salt Lake City, Utah
Posted August 12, 2026
payroll

Overview

You will own the design and development of GenTax solutions for a state tax agency, handling 5+ years of complex system enhancements. You will join a cross-functional team of developers and analysts in Salt Lake City, delivering critical tax processing features. This role stands out for its direct impact on statewide tax operations and the opportunity to modernize legacy systems with C#, SQL, and API integrations.

What You'll Do7

  • 1Design and build GenTax modules using C# and Visual Studio, translating functional requirements into robust solutions.
  • 2Create and update SOAP and RESTful API services to integrate with external systems and streamline data exchange.
  • 3Develop complex SQL queries and stored procedures for data retrieval, reporting, and system optimization.
  • 4Lead code reviews and enforce best practices for maintainable, scalable GenTax development.
  • 5Collaborate with business analysts to refine requirements and deliver features that meet compliance standards.
  • 6Debug and resolve production issues in GenTax, ensuring minimal downtime and data integrity.
  • 7Write and maintain technical documentation for all developed solutions.

Requirements6

  • 15+ years designing and developing solutions within the GenTax system.
  • 25+ years of demonstrated proficiency in SQL and C# using Visual Studio.
  • 3Proficiency consuming, updating, and creating API services, including SOAP and RESTful.
  • 4Strong experience translating functional requirements into technical designs.
  • 5Experience with the full software development lifecycle in an enterprise environment.
  • 6Ability to work onsite in Salt Lake City, Utah, with a reliable schedule.

Salary Insight

Salary not disclosed in listing

Location

Typeonsite
LocationSalt Lake City, Utah

Required Skills

SQLC#Visual StudioSOAP APIRESTful APIFunctional Requirements
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