Senior AI Engineer, AI Development Lifecycle Platform

Visa Hunt; United States; Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Medical benefits

Dental benefits

Vision benefits

PTO

Employee discounts

Retirement savings

Job summary

Nuuly is seeking a Senior AI Engineer to help build and evolve the AI-powered development harness our Product, UX, and Engineering teams use to move from initiative through design and into implementation.

You'll design and maintain the agent instructions, validators, and lifecycle rules that power this system, partner with an AI Enablement Lead and engineering stakeholders on shared standards, and help the harness improve itself over time through structured feedback.

Qualifications

• 5+ years of production software or internal platform experience.
• Hands-on in designing agent instructions, prompts, or LLM-backed workflows.
• Experience with lifecycle systems and AI integration in development.
• Built AI agents in production with architectures and orchestration.
• Interest in testing, rubrics, evaluation datasets, and AI observability.
• Experience designing JSON Schema, YAML, or similar contracts.
• Strong collaboration with product, UX and engineering teams.
• Interest in emerging AI capabilities, tools, and platforms.
• Excellent communication and presentation skills.

Responsibilities

• Build and maintain artifact lifecycle system governing AI work stages.
• Design schemas and traceability connecting requirements to implementation.
• Author and maintain AI agent instructions and skills.
• Design, build, and deploy AI agents that support development lifecycle steps.
• Write automation that enforces schema and quality gates.
• Measure AI output quality and build feedback loops for improvement.
• Partner with Product, UX, and Engineering for shared standards.

Skills

5+ years hands-on software

Agent instructions design

LLM-backed workflows

AI lifecycle systems

AI agent deployment

Python scripting

CI/CD knowledge

Git and PR workflows

Product/UX collaboration

Observability for AI workflows

Share standards with stakeholders

Structured data contracts

Automation integrations

Communication skills

Tools

Claude Code

Gemini

LangChain

LangGraph

Claude Agent SDK

Google ADK

Job description

Nuuly is seeking a Senior AI Engineer to help build and evolve the AI-powered development harness our Product, UX, and Engineering teams use to move from initiative through design and into implementation.

You'll design and maintain the agent instructions, validators, and lifecycle rules that power this system, partner with an AI Enablement Lead and engineering stakeholders on shared standards, and help the harness improve itself over time through structured feedback.