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Job Title: Senior Full-Stack Software Engineer (C# / React / GenAI).
Location: Las Vegas, NV (On-site).
Employment Type: Contract (W2 through ZipStaff — No C2C or 1099).

About the Opportunity:

ZipStaff is seeking a Senior Full-Stack Software Engineer for the GenAI Discovery and Prototyping team at a global agriculture and food company.

You will deliver a platform upgrade that connects enterprise data pipelines, LLMs, and rapid application prototypes. This is a true full-stack delivery seat: C# on the back end, React + TypeScript on the front end, with secure ingest, validation, and return of LLM outputs in an enterprise environment.

What You’ll Do:

Build scalable application layers in C# and React / TypeScript.
Design software that securely ingests, validates, processes, and returns LLM outputs.
Connect enterprise data pipelines to prototype and production-bound GenAI apps.
Work across multiple staging environments in a secure data environment.
Deliver rapidly in a prototyping team inside a mature enterprise.
Collaborate as platform requirements change.

Required Qualifications:

7+ years professional software engineering; senior full-stack delivery.
Strong C# back-end development.
Strong React with TypeScript.
Hands-on experience building applications powered by generative AI / LLMs.
Treats LLMs as statistical tools—prompting plus engineering (validation, grounding, error handling), not demo-only chat UIs.
Comfortable in secure enterprise data environments and multi-stage promotion.
Ability to work on-site in Las Vegas, NV.
Must be legally authorized to work in the United States without sponsorship now or in the future.

Preferred Qualifications:

Enterprise data-pipeline integration.
Experience taking GenAI prototypes toward reliable internal platforms.
Fast iteration without dropping security or code quality.

Benefits:

Healthcare insurance (employee-only).
Dental insurance.
Vision insurance.
401(k).
Paid time off.

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 C#, React/TypeScript, and shipped GenAI application work—not prompt-only or Python-notebook-only backgrounds.

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