Senior Full Stack Developer – GenAI

Infosat IT Services LLC; Wayzata (MN); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Infosat IT Services LLC is seeking a Senior Full Stack Developer to join the GenAI Discovery and Prototyping team on Cargill projects in Wayzata, MN. This hybrid role requires hands-on C# backend and React/TypeScript frontend work to build secure, enterprise-grade AI-enabled applications.

You will design and implement workflows that ingest, validate, process, and return LLM outputs, integrating with enterprise data pipelines.

Qualifications

• Senior-level Full Stack Software Development experience.
• Strong C# / .NET backend development experience.
• Strong React experience.
• Strong TypeScript experience.
• Hands-on experience building Generative AI / LLM-powered applications.
• Understanding of LLMs as statistical tools and their practical application in software solutions.
• Experience integrating applications with enterprise data pipelines.
• Experience designing secure and reliable data-processing/workflows.
• Strong software engineering fundamentals.
• Ability to work effectively in a fast-paced prototyping environment.
• Strong collaboration and communication skills.
• Must be local to Wayzata, MN and able to work 2 days onsite per week.

Responsibilities

• Develop scalable full-stack applications using C# on the backend and React/TypeScript on the frontend.
• Build applications that integrate Generative AI and Large Language Models (LLMs).
• Design reliable workflows for securely ingesting, validating, processing, and returning LLM outputs.
• Integrate enterprise data pipelines with AI-powered applications.
• Develop rapid prototypes and evolve them into reliable application solutions.
• Work across multiple staging and secure enterprise environments.
• Collaborate with engineering, data, AI, and business teams.
• Apply software engineering best practices for scalability, reliability, security, and maintainability.
• Troubleshoot application and integration issues.
• Adapt quickly to changing platform and prototype requirements.

Skills

C# / .NET

React

TypeScript

Full stack development

Generative AI / LLM

Prototyping (fast-paced)

Job description

Senior Full Stack Developer -- GenAI

Client: Cargill

Location: Wayzata, MN -- Hybrid

Work Model: 2 Days Onsite per Week

Contract: C2C

Important Notes

• Must be local to the Wayzata, MN area.
• Hybrid -- 2 days onsite per week.
• C2C candidates accepted.
• All candidates selected for an interview must complete the mandatory identity verification process.
• Strong full-stack development experience required.
• Hands-on experience with C#, React, and TypeScript is required.
• Direct, hands‑on experience building Generative AI / LLM-powered applications is highly important.
• Experience working with enterprise data pipelines and secure data environments is preferred.
• Candidates should be comfortable working in a rapid prototyping environment and adapting to changing platform requirements.

Job Summary

Cargill is seeking a Senior Full Stack Developer to join the GenAI Discovery and Prototyping team.

The engineer will help build and enhance a platform connecting enterprise data pipelines, Large Language Models (LLMs), and rapid application prototypes.

This is a true full-stack role involving C# backend development and React/TypeScript frontend development, with a strong focus on building reliable and secure applications that ingest, validate, process, and return LLM-generated outputs within an enterprise environment.

Key Responsibilities

• Develop scalable full-stack applications using C# on the backend and React/TypeScript on the frontend.
• Build applications that integrate Generative AI and Large Language Models (LLMs).
• Design reliable workflows for securely ingesting, validating, processing, and returning LLM outputs.
• Integrate enterprise data pipelines with AI‑powered applications.
• Develop rapid prototypes and evolve them into reliable application solutions.
• Work across multiple staging and secure enterprise environments.
• Collaborate with engineering, data, AI, and business teams.
• Apply software engineering best practices for scalability, reliability, security, and maintainability.
• Troubleshoot application and integration issues.
• Adapt quickly to changing platform and prototype requirements.

Must-Have Requirements

• Senior-level Full Stack Software Development experience.
• Strong C# / .NET backend development experience.
• Strong React experience.
• Strong TypeScript experience.
• Hands‑on experience building Generative AI / LLM-powered applications.
• Understanding of LLMs as statistical tools and their practical application in software solutions.
• Experience integrating applications with enterprise data pipelines.
• Experience designing secure and reliable data‑processing/application workflows.
• Strong software engineering fundamentals.
• Ability to work effectively in a fast‑paced prototyping environment.
• Strong collaboration and communication skills.
• Must be local to Wayzata, MN and able to work 2 days onsite per week.

Preferred Requirements

• Experience with enterprise GenAI platforms and AI application development.
• Experience with LLM APIs and AI application integration.
• Experience working with secure enterprise data environments.
• Experience building prototypes and transitioning them toward production‑ready solutions.
• Experience working across multiple development/staging environments.
• Experience with cloud-based application development and enterprise integration.