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Software Engineer, OfficeJS jobs in United States
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GC AI · 19 hours ago

Software Engineer, OfficeJS

positionUnited States
timeFull-time
remoteRemote
senioritySenior Level
money$165K/yr - $350K/yr
date5+ years exp
GC AI is the fastest-growing and most trusted legal AI platform for in-house legal teams. As a Software Engineer on the OfficeJS team, you will craft the experience for GC AI for Word, enabling legal teams to efficiently redline contracts and draft clauses while working within Microsoft Word.
Artificial Intelligence (AI)LegalLegal Tech

Responsibilities

Build and refine our Microsoft Word Add-in
Obsess over latency, reliability, and the micro-interactions that make the difference between "useful tool" and "can't live without it."
Architect the bridge between our AI backend and the Word document model, handling everything from tracked changes to comment threads
Ship features like playbook-driven reviews, clause libraries, and contextual drafting that outpace the competition
Collaborate with our AI team to integrate model outputs in ways that feel native to the legal workflow

Qualification

TypeScriptReactMicrosoft Office Add-insReal-time collaborationDocument manipulationOffice.jsMicrosoft Graph APILegal techLLM integration patternsAI coding toolsPolished user-facing features

Required

5+ years building production software, ideally with a focus on rich client applications or editor experiences
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 that people actually love

Preferred

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
You've used Cursor, Copilot, or similar AI coding tools and have opinions about what makes them great

Benefits

Meaningful equity
Excellent benefits for all full-time roles

Company

GC AI

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GC AI is the legal AI platform built for in-house teams that solves the workflows in-house lawyers and legal professionals face every day.
dateFounded in 2023
location
San Francisco, California, USA
people-size11-50 employees
web-link
https://gc.ai

Funding

Current Stage
Growth Stage
Total Funding
$71.65M
Key Investors
Northzone,Scale Venture PartnersSound VenturesWorklife
2025-11-12Series B· $60M
2025-05-29Series A· $10M
2024-09-16Seed· $1.65M

Recent News

MarketScreener
General Counsel AI, Inc. announced that it has received $60 million in funding from News Corporation, SilverCircle, Aglaé Ventures, Northzone Ventures, Scale Management, L.L.C., Sound Ventures, LLC
2025-11-14
PR Newswire
Paragon Legal Partners with GC AI to Bring AI to In-House Teams
2025-10-20
PR Newswire
General Counsel Audit - 20-Minute Startup Due Diligence for Founders, Advisors & Investors
2025-08-18
Company data provided by crunchbase