Senior Software Engineer - OfficeJS for Legal AI

About the Role

GC AI is seeking a Senior Software Engineer to join our OfficeJS team in a fully remote capacity. As a Senior Software Engineer focused on OfficeJS, you will play a pivotal role in shaping the future of legal work through our innovative AI solutions. This is a unique opportunity to join a fast-growing company that is transforming the legal industry and making a significant impact on how legal teams operate.

What You'll Do

• Build and refine our Microsoft Word Add-in, enhancing the user experience for legal professionals.
• Obsess over latency, reliability, and the micro-interactions that differentiate a "useful tool" from a "can't live without it".
• Architect the bridge between our AI backend and the Word document model, managing tracked changes and 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 seamlessly into the legal workflow.

Impact You'll Have

• Define UX patterns for AI-assisted contract work that will set industry standards.
• Transform lengthy contract reviews into efficient 10-minute workflows.
• Drive enterprise adoption by delivering features that resonate with IT teams and legal professionals.
• Help establish GC AI as the undisputed leader in legal AI for in-house teams.

Requirements

• 5+ years of experience building production software, particularly in 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.
• Proven track record of shipping polished, user-facing features that users 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.
• Experience using AI coding tools like Cursor or Copilot, with insights on their effectiveness.

What We Offer

• Competitive base salary benchmarked against real-time market data.
• Meaningful equity as part of the compensation package.
• Excellent benefits for all full-time roles.
• Opportunity to work remotely with a flexible schedule.
• Be part of a high-performing team where you can have real ownership and influence from day one.

Join us at GC AI and help shape the future of legal work. If you thrive in high-stakes environments and are ready to make a significant impact, we want to hear from you!