GC AI

Software Engineer OfficeJS

Reposted 5 Hours Ago

Hiring Remotely in San Mateo CA USA

In-Office or Remote

165K-350K Annually

Senior level

Artificial Intelligence • Legal Tech

The AI for in-house counsel

The Role

As a Software Engineer you'll enhance the OfficeJS team's product for legal AI focusing on Microsoft Word integration to optimize contract workflows for in-house legal teams.

Summary Generated by Built In

GC AI is the fastest-growing and most trusted legal AI platform for in-house legal teams. We're building the future of legal work and we're doing it fast. You'll join at a pivotal moment—when decisions matter impact is immediate and the runway to shape your career is wide open. We’re a high-performing team where you'll have real ownership and influence from day one.

More than 1300 companies use GC AI to drive their business forward including 150+ public companies 25+ unicorns and brands such as News Corp Miro Bass Pro Shops Snyk Skims Liquid Death Vercel Zscaler and TIME.

We've 10x'd revenue in 12 months raised a $60 million Series B ($555 million valuation) and are growing faster than ever. We are backed by incredible investors including Scale Venture Partners Northzone Sound Ventures and Guillermo Rauch CEO of Vercel.

If you thrive when the stakes are high and the path isn't paved you'll love it here. Our six guiding principles are: 1% better every day customer obsession ship today find a way care deeply and own it completely. Come shape the future of legal work with us.

Location

We are hiring for this role to be based in the United States or Canada. This is a remote role unless you fall within the following parameters. If you live within approximately 50 miles of our San Mateo CA or Provo UT office the position follows a hybrid schedule with in-office days on Mondays Wednesdays and Fridays.

About The Role

As a Software Engineer on our OfficeJS team you'll be at the center of the most ambitious product in legal AI: GC AI for Word the AI copilot that lives where lawyers actually work.

You'll be crafting the experience that lets in-house legal teams surgically redline contracts draft clauses on the fly and spot risks in seconds all without leaving Microsoft Word.

You'll work directly with our founding team (including a 3x General Counsel who knows exactly what lawyers need) and a tight group of exceptional engineers to ship features that make lawyers say "Wow this is magic."

Why This Role Matters

The legal AI space is exploding and we're in pole position. We’ve raised $60M at a $555M valuation because we've built something lawyers actually love. Now we need an engineer who can help us pull even further ahead.

You'll own the surface area where AI meets the document. Every redline every clause suggestion every risk flag that's your canvas. The decisions you make will directly shape how thousands of lawyers experience AI in their daily work.

What You'll Do

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

Impact You'll Have

Define the UX patterns for AI-assisted contract work that the entire industry will follow
Build the product that turns hour-long contract reviews into 10-minute workflows
Ship features that directly drive enterprise adoption and make IT teams say "yes" faster
Help further GC AI’s position as the undisputed leader in legal AI for in-house teams

Required Experience

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

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

A Note On Pace

We’re building something new in a once-in-a-generation shift in technology and the legal industry so we move at a relentless pace. We expect urgency ownership and good judgment even when things aren’t perfectly clear. If you need structure and consensus to do your best work this isn’t the right place for you. If you thrive in ambiguity and growth work with intensity and want real responsibility keep reading. We’re excited to meet you.

Compensation

GC AI's compensation package includes a competitive base salary benchmarked against real-time market data as well as meaningful equity and excellent benefits for all full-time roles. Our US-based compensation range for this role is $165000 – $350000. This range spans four levels from mid-level to Principal. Final compensation will vary based on leveling market conditions geographic location and candidate qualifications including relevant knowledge skills and experience assessed during the interview process.

These compensation bands are just the starting point. After someone joins and proves they’re an exceptional performer we adjust quickly to ensure their compensation aligns with their impact.

Equal Opportunity Employment

GC AI is an equal opportunity employer that supports workplace diversity and does not discriminate on the basis of race color religion gender identity/expression national origin age military service eligibility veteran status sexual orientation marital status physical or mental disability or any other protected class. GC AI is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. #LI-GCAI

Fraud Notice to GC AI Applicants

To protect yourself against phishing and recruitment fraud please note that GC AI only accepts job applications through our official careers page at https://gc.ai/careers and through sponsored jobs on LinkedIn. All legitimate communication from our team regarding job opportunities will come from a GC AI team member with a @gc.ai or @getgc.ai email address.

GC AI will never:

Refer you to external websites to apply
Conduct interviews over email chat platforms or messaging apps
Ask you to provide payment or purchase equipment
Request personal or financial information such as your mailing address social security number credit card numbers or banking information during the application process

Examples of fraudulent email addresses:

[email protected]
[email protected]
Any email address ending in @gmail.com @yahoo.com or other free email services

If you are contacted by someone claiming to be from GC AI via an unofficial channel or from a suspicious email address please do not share any information. Mark the communication as "phishing" or "spam" and do not respond.

Top Skills

Microsoft Graph Api

Microsoft Office Add-Ins

Office.Js

React

Typescript

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The Company

HQ: San Mateo California

80 Employees

Year Founded: 2023

What We Do

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. With powerful tools like Easy Prompt and Exact Quote you can be the legal hero your team needs with faster and more accurate drafting reviewing researching and redlining. GC AI is built for in-house legal work gets to know you and your company over time uses 5 large language models under the hood and is private secure and compliant. GC AI is SOC 2 Type II certified built with enterprise-grade security and never uses your confidential data for training. Founded by a three-time General Counsel and former Morrison & Foerster litigator GC AI is trusted by over 500 legal teams worldwide including Webflow CDW Vercel Liquid Death Kenneth Cole Eventbrite SurveyMonkey Tipalti and other high-growth global brands. See the difference that becoming an AI-powered lawyer can make. Try it free or get a demo at gc.ai.