Job description

Job Title: Senior GenTax Developer (STARS) — C# / PostgreSQL. Location: Remote (U.S.) — supporting a state tax program based in Augusta, ME. Employment Type: Contract (W2 through ZipStaff — No C2C or 1099). About the Opportunity: ZipStaff is seeking a Senior GenTax Developer to support STARS, the tax-processing platform for a state government tax administration organization. You will analyze, design, code, test, and document enhancements and production fixes on FAST Enterprises GenTax using C#, PostgreSQL, and Visual Studio. Work is largely independent, coordinated with other developers, and essential to accurate, efficient tax processing. What You’ll Do: • Analyze, design, code, test, and document GenTax enhancements and production fixes to FAST functional and technical standards. • Implement SQR change requests in FAST GenTax and track changes in the Fast Central Repository (FCR). • Develop in C#, PostgreSQL, and Visual Studio. • Coordinate work with other developers; participate in structured code reviews and walkthroughs. • Execute with little direct supervision. • Support efficiency and accuracy of state tax processing. Required Qualifications: • 5+ years of professional programming experience. • Minimum 2 years on a FAST Enterprises system (GenTax, Fast DS-VS, Fast UI-PL, or Fast CSE). • Hands-on C#, PostgreSQL, and Visual Studio. • Ability to implement SQR change requests and use FCR to project standards. • Must not have worked for FAST Enterprises directly in the past 6 months. • Able to work independently and in structured code reviews. • Must be legally authorized to work in the United States without sponsorship now or in the future. Preferred Qualifications: • Prior GenTax work on a state tax / revenue system. • Experience with production support and tax-processing workflows. • Ability to work Maine business hours. About ZipStaff: ZipStaff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches, clear communication, and long-term success for candidates and clients. To apply, submit your resume highlighting FAST GenTax (or other FAST systems), C#, PostgreSQL, and Visual Studio. Pay: $46 - $48 per hour

Requirements

Must-haves

Job Title: Senior GenTax Developer (STARS) — C# / PostgreSQL.
Location: Remote (U.S.) — supporting a state tax program based in Augusta, ME.
Employment Type: Contract (W2 through ZipStaff — No C2C or 1099).
Analyze, design, code, test, and document GenTax enhancements and production fixes to FAST functional and technical standards.
Implement SQR change requests in FAST GenTax and track changes in the Fast Central Repository (FCR).
Develop in C#, PostgreSQL, and Visual Studio.
Coordinate work with other developers; participate in structured code reviews and walkthroughs.
Execute with little direct supervision.
Support efficiency and accuracy of state tax processing.
5+ years of professional programming experience.
Minimum 2 years on a FAST Enterprises system (GenTax, Fast DS-VS, Fast UI-PL, or Fast CSE).
Hands-on C#, PostgreSQL, and Visual Studio.
Ability to implement SQR change requests and use FCR to project standards.
Must not have worked for FAST Enterprises directly in the past 6 months.
Able to work independently and in structured code reviews.
Must be legally authorized to work in the United States without sponsorship now or in the future.

Nice-to-haves

Prior GenTax work on a state tax / revenue system.
Experience with production support and tax-processing workflows.
Ability to work Maine business hours.

Application prep

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Platform: betterteam
Effort: medium

Benefits

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