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Open nowPosted 255 days ago

Senior Software Engineer, AI Developer Experience

Sanity33 open roles

Where
Remote in the United States
Work mode
Remote
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Your applicationOpen nowSenior Software Engineer, AI Developer ExperienceSanity · Remote in the United States

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on Sanity's own form.

The reply lands in your private mailbox

3×more interviews than doing it yourself with ChatGPT.

The clock on this job

Early applications get read.

12.3% of postings close within 7 days. Measured by our own scanner across the market. Sanity postings stay open a median of 61 days.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.3%7 days
  4. 19.7%14 days
  5. 35.6%30 days
  6. 58.0%60 days
This job: posted 255 days ago

Sanity median: 61 days open

The posting

At Sanity, we're building the future of AI-powered Content Operations. Our AI Content Operating System gives teams the freedom to model, create, and automate content the way their business works, accelerating digital development and supercharging content operations efficiency. Companies like Linear, Figma, Riot Games, Anthropic, Spotify, Arc’teryx and Morningbrew are using Sanity to power and automate their content operations.

In this role, you'll help build the full vertical for AI-native development at Sanity – from advancing our Model Context Protocol (MCP) server to shipping agentic systems that can scaffold Sanity apps, Studios, and full-stack frontends. You'll work closely with a designer, product manager, and fellow engineers to move fast, experiment constantly, and turn emerging AI capabilities into real products. If you're the kind of person who stays up late tinkering with new model releases and thinks in terms of what's possible rather than what's been done before, this is your role.

Here's some of what we've shipped recently:

- Sanity MCP Server https://mcp.sanity.io – our remote MCP server, now generally available https://www.sanity.io/blog/sanity-remote-mcp-server-is-generally-available and listed as one of eight official MCP servers in Vercel's v0.

- Sanity Agent Toolkit https://github.com/sanity-io/agent-toolkit – agent rules exposed via MCP, plus a Claude Code plugin with skills and slash commands.

- Auto-configured MCP in the CLI https://www.sanity.io/docs/changelog/beb93f6c-7913-4ea7-8bbb-847ba7b51b19– the Sanity CLI automatically detects code editors and configures the MCP server for you.

WHAT YOU WILL DO

- Advance our MCP server – add new capabilities, tools, and integrations that let AI agents interact deeply with Sanity's content platform.

- 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 Sanity MCP app https://blog.modelcontextprotocol.io/posts/2025-11-21-mcp-apps/ – create rich React interfaces on top of the MCP protocol for platforms like ChatGPT (using the new ChatGPT Apps SDK https://developers.openai.com/apps-sdk/build/chatgpt-ui) 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.

ABOUT YOU:

- 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.

Not sure you meet every requirement? If you're building in this space and can't stop thinking about what's next, we want to hear from you.

WHAT WE CAN OFFER:

- A highly-skilled, inspiring, and supportive team

- Positive, flexible, and trust-based work environment that encourages long-term professional and personal growth

- A global, multi-culturally diverse group of colleagues and customers

- Comprehensive health plans and perks

- A healthy work-life balance that accommodates individual and family needs

- Competitive stock options program

WHO WE ARE:

Sanity https://www.sanity.io is a modern, flexible content operating system that replaces rigid legacy content management systems. One of our big differentiators is treating content as data so that it can be stored in a single source of truth, but seamlessly adapted and personalized for any channel without extra effort. Forward-thinking companies choose Sanity because they can create tailored content authoring experiences, customized workflows, and content models that reflect their business.

Sanity recently raised an $85m Series C led by GP Bullhound and is also backed by leading investors like ICONIQ Growth, Threshold Ventures, Heavybit and Shopify, as well as founders of companies like Vercel, WPEngine, Twitter, Mux, Netlify and Heroku. This funding round has put Sanity in a strong position for accelerated growth in the coming years.

You can only build a great company with a great culture. Sanity is a 200+ person company with highly committed and ambitious people. We are pioneers, we exist for our customers, we are hel ved, and we love type two fun! Read more about our values here! https://www.sanity.io/blog/our-sanity-values

Sanity pledges to be an organization that reflects the globally diverse audience that our product serves. We believe that in addition to hiring the best talent, a diversity of perspectives, ideas, and cultures leads to the creation of better products and services. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.

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