GC AI
Member of Technical Staff, Microsoft Office Integrations
$165K–$350K
San Mateo, California +2 · Remote · Staff · Full-time · Posted Jul 28, 2026
- Location
- San Mateo, California
Remote - United States
Remote - Canada - Experience
- 5+ years building production software; ideally focused on rich client applications or editor experiences.
About the job
Build GC AI’s Microsoft Word Add-in, connecting AI capabilities to document workflows for contract review, drafting, and risk detection.
What you'll do
- Build and refine the Microsoft Word Add-in, focusing on latency, reliability, and user experience.
- Architect the connection between the AI backend and Word document features, including tracked changes and comment threads.
- Integrate AI outputs and ship features such as playbook-driven reviews, clause libraries, and contextual drafting.
What they ask for
- Strong expertise in TypeScript and React.
- Experience with Microsoft Office Add-ins, VS Code extensions, or similar embedded application development.
- Deep understanding of real-time collaboration patterns and document manipulation.
- Track record of shipping polished, user-facing features.
Nice to have
- Experience with Office.js or the Microsoft Graph API; background in legal tech, document automation, or CLM platforms.
- Familiarity with LLM integration patterns and streaming responses; experience with AI coding tools such as Cursor or Copilot.
Pay
$165K – $350K (base salary; currency not stated)
Tools
TypeScript, React, Microsoft Office Add-ins, VS Code extensions, Office.js, Microsoft Graph API, LLM
AI focus
Integrate model outputs into legal document workflows, including AI-assisted contract review, drafting, clause suggestions, and risk flags.
Model-written summary · the original posting is authoritative