Hiring: Staff Software Engineer, OfficeJS Company: Harvey Location: New York, United States Job Posted Time: 2026-09-03 14:50:30 Employment Type: Hybrid Target Skills & Keywords : CSS, Embedded Systems, HTML, JavaScript, LLM, Microsoft Office, React, SaaS, TypeScript, User Experience About the job Experience: •5+ years of software engineering experience, with significant depth in Office Add-in development using OfficeJS Required Skills: •This role is based in New York, NY. We use a hybrid in-person work model and offer relocation assistance to new employees. •Own and lead the technical direction of Harvey in Word, our flagship Office Add-in product, alongside our other Microsoft Office integrations. •Build the AI-native editing experience: agentic document rewrites, real-time redlining, and playbook automation that transforms how lawyers work •Design and build sophisticated integrations with Microsoft Word using the OfficeJS API, including document manipulation, playbook reviews, and AI-assisted drafting •Architect scalable, maintainable solutions that handle the constraints and quirks of the Office Add-in environment across platforms (Windows, Mac, Web) •Build polished, high-performance interfaces with crisp interactions and resilient error handling •Partner cross-functionally with product, design, and backend teams to shape APIs and UX for AI-powered features like streaming results and tool-calling workflows •Navigate Office Add-in requirement sets, versioning, and cross-platform compatibility to ensure broad, reliable support Qualifications: •Strong proficiency in JavaScript/TypeScript, HTML, and CSS •Comprehensive expertise in Office Add-in architecture, requirement sets, manifest configuration, and cross-platform considerations •Track record of shipping highly intuitive products with strong attention to detail •Operational familiarity with Microsoft Office Add-in guidelines and AppSource submission process is a plus •Background in legal tech or enterprise SaaS Compensation: •$231,000 - $340,000 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!