Senior Full-Stack Engineer: GenAI & LLM Prototyping

Randstad Digital; Wayzata (MN); On-site; USD 90,000 - 110,000; Part time

Job summary

Randstad Digital is seeking a Senior Full-Stack Software Engineer to join the GenAI Discovery and Prototyping team in Wayzata, MN. You will build a major platform upgrade, connecting data pipelines and LLMs with rapid prototypes using C# on the back end and React with TypeScript on the front end.

The role requires delivering secure, scalable software in a fast-paced enterprise environment, with strong GenAI experience and Azure CI/CD collaboration. Contract position.

Qualifications

• 7 years of professional software engineering experience in an enterprise or fast-paced product environment.
• Advanced back-end experience designing and developing scalable web services using C#.
• Strong front-end experience building interactive, responsive user interfaces using React and TypeScript (within the Node.js ecosystem).
• Proven production experience building software with LLMs, including direct integration of GenAI models into application workflows or data processing pipelines.
• Cloud Experience: Hands-on experience developing and deploying applications within Microsoft Azure and utilizing Azure DevOps for CI/CD.
• Familiarity with Cloud-Native Design: Understanding of twelve-factor application methodologies, container workflows, and standard application monitoring/logging practices.
• Enterprise Adaptability: Experience working within multi-environment architectures (Dev, QA, Staging, Prod) with complex data governance and firewall constraints.
• Ability to operate independently, troubleshoot across a broad stack, and pivot quickly as prototyping requirements evolve.

Responsibilities

• Full-Stack Development: Design, build, and maintain features across the application stack, utilizing C# for back-end services and React/TypeScript for user-facing interfaces.
• GenAI Orchestration: Connect enterprise data sources and LLMs with application prototypes. Build robust workflows for validating, parsing, and structured handling of LLM outputs.
• Modern AI Engineering: Apply modern AI integration concepts, including Model Context Protocol (MCP) and skills-based software integrations.
• Cloud & Environment Collaboration: Deploy code through automated CI/CD pipelines in Microsoft Azure. Contribute to application logging, monitoring, and basic Infrastructure as Code (IaC) templates.
• Enterprise Navigation: Work alongside platform and security teams to troubleshoot applications operating within secure enterprise data environments, firewalls, and access control boundaries.
• Platform Upgrades: Assist in modernizing legacy architectures and migrating workflows toward twelve-factor, cloud-native application designs.
• Independent Execution: Troubleshoot complex system bugs and technical blockers with minimal daily supervision, driving features from discovery to production-ready status.

Skills

C# Back-End

React & TypeScript Front-End

GenAI / LLM integration

Azure DevOps CI/CD

Microsoft Azure

Education

Bachelor's degree

Tools

Azure DevOps

Job description

Randstad Digital is seeking a Senior Full-Stack Software Engineer to join the GenAI Discovery and Prototyping team in Wayzata, MN. You will build a major platform upgrade, connecting data pipelines and LLMs with rapid prototypes using C# on the back end and React with TypeScript on the front end.

The role requires delivering secure, scalable software in a fast-paced enterprise environment, with strong GenAI experience and Azure CI/CD collaboration. Contract position.