Full Stack Software Engineer

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.