Senior/Staff Software Engineer, OfficeJS

Harvey
New York
Workplace: HybridFull timeUSD 200,000 - 312,000 annuallyFunction: Software EngineeringExperience: 5+ yearsSkills: ["JavaScript","TypeScript","HTML","CSS","React","OfficeJS"]

Lead the technical direction for Harvey in Word and Microsoft Office integrations, building AI-powered, high-performance Office Add-in experiences at enterprise scale. Mentor engineers, collaborate with product/design/backend teams, and ensure cross-platform compatibility across Windows, Mac, and Web while delivering polished user experiences.

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Harvey
Harvey
7 months ago

Senior/Staff Software Engineer, OfficeJS

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Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live

Job Summary

Lead the technical direction for Harvey in Word and Microsoft Office integrations, building AI-powered, high-performance Office Add-in experiences at enterprise scale. Mentor engineers, collaborate with product/design/backend teams, and ensure cross-platform compatibility across Windows, Mac, and Web while delivering polished user experiences.
Location: New York
Workplace: Hybrid
Employment Type: Full time
Job Function: Software Engineering
Seniority: Sr. Manager level

Key Responsibilities

  • •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)
  • •Mentor engineers, drive technical decisions, and raise the bar on quality and developer experience

Pay and Benefits

Salary: USD 200,000 - 312,000 annually
Equity and Bonus:Equity

Key Requirements

  • •5+ years of software engineering experience, with significant depth in Office Add-in development using OfficeJS
  • •Experience building and shipping a production Office Add-in product, ideally one used at enterprise scale
  • •Strong proficiency in JavaScript/TypeScript, HTML, and CSS
  • •Deep understanding of Office Add-in architecture, requirement sets, manifest configuration, and cross-platform considerations
  • •Experience with React or similar modern frontend frameworks
Experience:5+ yearsEnterprise SaaSLegal tech
Skills:JavaScriptTypeScriptHTMLCSSReactOfficeJS
Tech Stack:OfficeJSJavaScriptTypeScriptHTMLCSSReact

Company Brief

Harvey
Harvey builds domain-specific generative AI for legal and professional services, automating contract analysis, due diligence, compliance, and litigation workflows for law firms and corporate legal teams.
Industry: LegalTech
Company Size: Large (251 to 1,000 employees)
Revenue: USD 100M to 250M
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series E+
Headquarters: San Francisco, United States
Founded: 2022
Glassdoor
Glassdoor: 4.1
WebsiteLinkedInGlassdoor