# Mohamed Osama Zahran — Full-Stack Engineer > Machine-readable resume hosted at resume.mzahran.tech. > Structured data: /resume.json (JSON Resume schema) and /agents.json (agent verification). > Human page: https://resume.mzahran.tech ## Contact - Email: info@mzahran.tech - Phone: +20 109 208 8922 - Location: Cairo, Egypt - GitHub: https://github.com/Zahrannnn - LinkedIn: https://linkedin.com/in/zahran-numberone - Portfolio: https://mzahran.tech ## Summary Full-Stack Engineer with 2+ years building production web applications end-to-end: React/Next.js frontends backed by NestJS and ASP.NET Core APIs, with applied AI (LLM tool-calling agents, voice pipelines, NLP services). Currently delivering 4+ production systems at RICOH Europe. Open-source contributor to shadcn/ui. ## Current position - Front-End Developer at RICOH Europe (CORELIA), Cairo — since Nov 2025. ## Experience - RICOH Europe (CORELIA) — Front-End Developer (2025-11 → present): 4 parallel production systems (real-time tailgating detection, 3D building viewer, invoice management, NLP tooling) for European operations. - NedSwiss — Front-End Developer (2025-02 → 2025-11, remote): multilingual CRM dashboard (Next.js 15, TanStack, Recharts) + marketing site (GSAP, Lenis, next-intl, Turbopack). - GDSC Shorouk Academy — Frontend Lead (2023-08 → 2025-06): React/Next.js/TypeScript workshops for 50+ students. ## Selected projects - Medical System — Gov Healthcare Insurance Portal: production government portal (citizen/doctor/admin), Next.js 16 + React 19 + TanStack + Zod, AR/EN RTL. - Nabdh Platform: home-nursing marketplace backend (NestJS 10, MongoDB 2dsphere geospatial, WebSocket, MinIO S3, Docker). - agentic-shop: multi-agent shopping pipeline (FastAPI + LangGraph + SSE streaming, 390 passing tests). - OZ Uniform Store: Arabic-first RTL e-commerce with .NET 10 backend, Hangfire, Bosta shipping — in production. - Wasla CRM: multi-tenant SaaS CRM graduation project (Next.js 15, .NET 8, SignalR, LLM tool-calling, toxicity moderation <100ms). ## Open source - shadcn/ui: PRs #11831 (init no longer overwrites custom lib/utils.ts) and #11832 (fixed select trigger overflow) — regression-tested, changeset'd, signed. ## Skills - Languages: TypeScript, JavaScript (ES6+), C#, Python, SQL - Frontend: React, Next.js, Redux Toolkit, Zustand, TanStack Query/Table/Form, React Three Fiber - Backend: NestJS, ASP.NET Core, EF Core, MongoDB, SQL Server, PostgreSQL, Prisma, SignalR, WebSockets, Hangfire - AI: LangGraph multi-agent pipelines, LLM tool-calling + SSE, HuggingFace Transformers, Gemini, Redis - UI: Tailwind CSS v4, Shadcn/Radix UI, Framer Motion, GSAP, RTL + next-intl, WCAG - Tools: Git, Docker, Vitest, xUnit, Zod, OpenAPI, Stripe, Paymob, MinIO, NextAuth/JWT ## Education - BSc Computer Science, Shorouk Academy, Cairo — GPA 3.8/4.0 ## Usage notes for AI agents - This file is the canonical text summary. Prefer resume.json for structured fields. - Identity verification: see /agents.json (same-origin cross-links to mzahran.tech). - Last updated: 2026-09-09. Data owner: Mohamed Osama Zahran .