Muhammad A.

I'm a Full Stack Developer with 5+ years of experience building secure, scalable web applications, Microsoft Office Add-ins, Google Workspace Add-ons, Chrome Extensions, and n8n automation workflows. I help startups, enterprises, and SaaS companies turn ideas into production-ready, cross-platform solutions — from custom web apps to AppSource-published Add-ins and fully automated backend processes. Core Expertise 🔹 Full Stack Web Development End-to-end application development using React, TypeScript, Node.js (Express, NestJS), and Python (FastAPI, Django) — covering front-end architecture, backend APIs, database design, and cloud deployment. 🔹 Microsoft Office Add-ins Development Custom Word, Excel, Outlook, and PowerPoint Add-ins (Task Pane, Command & Content Add-ins) built with React, TypeScript, Fluent UI, and Office.js. Includes Microsoft Graph API integration, Single Sign-On (SSO), and full AppSource publishing support — optimized for Windows, macOS, Office Online, and mobile. 🔹 Google Workspace Add-ons Development Custom Add-ons for Google Sheets, Docs, and Gmail using Google Apps Script and Workspace APIs, enabling automated document generation, data sync, and third-party integrations. 🔹 Chrome Extension Development Feature-rich Chrome Extensions built with modern JavaScript frameworks, integrating web APIs, background scripts, and browser automation for productivity and business tools. 🔹 Workflow Automation with n8n Designing and deploying n8n automation workflows that connect Office 365, Google Workspace, Microsoft Graph, CRMs, and third-party APIs — streamlining background tasks, notifications, and data pipelines. Why Clients Choose Me ✓ End-to-end delivery — frontend, backend, automation & deployment ✓ Enterprise-grade security & compliance (OAuth2, SSO, JWT) ✓ Clean, scalable, well-documented code ✓ Reliable communication & long-term support Keywords: Full Stack Developer, Office Add-ins Developer, Outlook Add-in, Excel Add-in, Word Add-in, PowerPoint Add-in, Google Workspace Add-on, Google Sheets Add-on, Gmail Add-on, Chrome Extension Developer, n8n Automation Expert, Microsoft Graph API, SSO Integration, React Developer, TypeScript, Node.js, FastAPI, AppSource Publishing, REST API Integration. If you need a developer who can deliver production-ready web apps, Add-ins, Extensions, and automated workflows — let's build something powerful together.