Senior Software Engineer, Content Agent Platform

Sanity; United States; Hybrid; USD 121,000 - 202,000; Full time

Job summary

Sanity is hiring a senior engineer for Content Agent, the ops layer for structured content. Work across Dashboards, Studio, and APIs to build MCP tools, orchestration, and prompts that power AI-driven content workflows.

You’ll shape how content operations scale with reliable agent behavior and system-level quality guarantees. Location is London, UK or Oslo, Norway with in-office 2–3 days per week; you’ll thrive shipping LLM-based systems in production and thinking through edge cases,

Qualifications

• Shipped LLM-based systems in production.
• Strong TypeScript and React across the stack.
• Experience designing reliable agent systems.
• Ability to reason about user intent and edge cases.

Responsibilities

• Full-stack product work: React interfaces in Dashboards, APIs, backend services.
• Develop MCP tools and integrations.
• Design agent orchestration logic and human escalation.
• Create system prompts as engineering artifacts.
• Run evals and experiments to improve reliability in real usage.
• Leverage GROQ for content understanding.

Skills

TypeScript

React

LLM systems

System design

Probabilistic systems

Tools

GROQ

Sanity API / MCP tools

Job description

Sanity is hiring a senior engineer for Content Agent, the ops layer for structured content. Work across Dashboards, Studio, and APIs to build MCP tools, orchestration, and prompts that power AI-driven content workflows.

You’ll shape how content operations scale with reliable agent behavior and system-level quality guarantees. Location is London, UK or Oslo, Norway with in-office 2–3 days per week; you’ll thrive shipping LLM-based systems in production and thinking through edge cases,