LegalTech, FinTech, investment banking, and CRM SaaS companies bringing AI copilots directly into Microsoft Word, Excel, Outlook, Google Docs, Sheets, and Gmail frequently search to hire a freelance Office.js Add-In & Google Workspace Add-On programmer. I am Aldian Fazrihady, a Senior Freelance Full Stack Developer and AI Application Engineer available via Upwork.
Core Office.js (Word/Excel/Outlook) & Google Workspace Add-On Capabilities
- Microsoft Word & Excel React Task-Pane Add-Ins (`Office.js`): Reading and writing live Word OOXML paragraphs/tracked-changes and Excel named ranges/formulas (`Excel.run`) from a modern React + TypeScript task pane.
- Google Workspace Add-Ons (Docs, Sheets, Gmail, Calendar): Building CardService and Apps Script / HTTP endpoint add-ons that enrich emails, draft AI replies, and sync spreadsheet ranges with your SaaS PostgreSQL backend.
- Enterprise Centralized Deployment & AppSource Approval: Packaging unified manifest files with SSO (`getAccessToken`) for one-click IT admin rollout across Microsoft 365 and Google Workspace domains.
Frequently Asked Questions
Can a single React codebase power our Word, Excel, and Web AI assistant?
Yes! By isolating host-specific `Office.js` document adapters behind a clean TypeScript interface, 90% of your React UI, authentication, and streaming AI chat components are shared across Word, Excel, Outlook, and your web app.
How can we hire you as a freelance Office Add-In or Google Workspace programmer?
Contact me on Upwork.