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# Senior Software Engineer, AI Developer Experience

- **Company:** SANITY, INC.
- **Location:** San Francisco, CA, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Cursor, Programming Tools, Design of User Interfaces, Human-Computer Interaction, OpenAI, Next.js, Software Engineering, TypeScript, ReactJS, Claude Code, Prompt Engineering, Backend, Front End Software Development, OPUS (Software), Claude, Google Gemini, GPT
- **Published:** October 31, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-ai-developer-experience-san-francisco-ca--38ddd766-3ad8-4a8c-a1a2-ea1c986da795

## About the Role

Software Engineering, Artificial Intelligence (AI), Operational Strategy, Artificial Intelligence (AI), Operating Systems, Content Development, MCP - Microsoft Certified Professional, Scaffolding, User Interface/Experience (UI/UX), Product Management, * Based in Remote US or San Francisco / Bay Area - if you are in San Francisco/ Bay Area, you should be able to work at least 2 days a week from the office.

 * Strong TypeScript, React, and Node.js skills - you're comfortable moving between frontend and backend, and a pure specialist profile isn't what we're after.
 * Shipped AI-powered code to production - whether at work or through side projects, you've built real things with OpenAI, Anthropic, or Vercel AI SDKs.
 * Actively using MCP in your workflow - you've enhanced your own development with MCP servers. Bonus if you've built one yourself.
 * Fluent in the current AI landscape - you can articulate the differences between Claude Opus 4.5, Gemini 3, and GPT-5.2, and you have opinions on tools like Cursor, Claude Code, Lovable, and v0.
 * Hungry and curious - you're obsessed with the craft, experimenting constantly, and energized by how fast this space moves.
 * Strong prompt intuition - you can "decode" why a model is hallucinating or ignoring instructions without relying solely on automated evals.
 * Collaborative and clear communicator - you work well with designers and product managers, and you can explain complex AI concepts simply.

## Description

* Build agentic developer tools - ship systems that can generate Sanity apps and studios, as well as frontend code with minimal human guidance.
 * Design and run evals - build evaluation suites using Braintrust to catch regressions, measure improvements, and make data-driven decisions about prompt and model changes.
 * Build a SanityMCP app - create rich React interfaces on top of the MCP protocol for platforms like ChatGPT (using the newChatGPT Apps SDK) and Claude.
 * Move across the stack daily - one day you're designing a new MCP tool, the next you're polishing a React component or deploying a new microservice.
 * Apply prompt engineering craft - diagnose why models fail, steer them effectively, and build intuition for what makes prompts work at scale.
 * Ship production AI features - write clean, well-tested TypeScript and turn experiments into reliable capabilities that thousands of developers use.
 * Collaborate with the team - work closely with design, product, and engineering to iterate quickly and share what you learn.