Available for Opportunities

Full-Stack Developer & Applied AI/LLM Engineer

I build production full-stack apps and applied LLM systems — from a commercial POS platform to autonomous RAG agents. Founder of H3M Softwares, based in Beirut, Lebanon.

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Next.jsTypeScriptPostgreSQLFastAPIPrismaLangChain
Portrait of Mohammad Safieddine

01 · About

Who Am I

CS graduate with production experience shipping full-stack applications (Next.js, FastAPI, PostgreSQL) and applied LLM systems (RAG pipelines, autonomous agents) — including a live document-intelligence API, a self-founded software company shipping a commercial POS and e-commerce platform, and a remote US internship shipping customer-facing features.

Location

Beirut, Lebanon

Education

M1 CS, Lebanese University

Languages

English (fluent), Arabic (native)

02 · Skills

Technical Toolkit

Languages

JavaScriptTypeScriptPythonSQLPHPJava

Frontend

React.jsNext.jsRedux.jsZustandReact Query

Backend

Node.js / Express.jsFastifyFastAPIPrisma

AI / LLM

RAG PipelinesAI AgentsLangChainChromaDBSentence TransformersPrompt EngineeringLLM APIs (Groq, HuggingFace)

Databases

PostgreSQLMySQLMariaDBFirebase

Infra / Tools

DockerGit / GitHubVercelRenderHuggingFace Spaces

03 · Experience

Where I've Worked

Founder & CEO

2025 — Present

H3M Softwares

  • Built H3M POS, a ~46,000 LOC multi-warehouse POS and back-office platform
  • Shipped Ali's Store, a bilingual (EN/AR) e-commerce platform
  • Own full-stack architecture, security, and release engineering end-to-end

Software Developer Intern

Apr — Jun 2026

Helpha · Texas, US (Remote)

  • Shipped 4 production features on Next.js, PostgreSQL, and Node.js
  • Fixed 3 bugs and resolved 3 database performance bottlenecks
  • Recognized as top-performing intern

Freelance Web Developer

Jul 2024 — Present

Self-Employed

  • Delivered 3+ custom web applications for clients
  • Cut manual-process time by ~30% through automation

04 · Projects

Things I've Built

View All Projects

H3M POS

Full POS + back-office platform: checkout, multi-warehouse inventory, purchasing, shifts, and analytics.

Concurrency-safe checkout, Ed25519 machine-bound licensing, bilingual EN/AR RTL support, 32-permission RBAC. ~46,000 LOC with ~160 automated tests.

Next.jsNode/ExpressPrismaPostgreSQLElectron

Ali's Store

Bilingual e-commerce storefront and admin dashboard.

JWT auth with rotating refresh tokens, COD checkout with email-OTP verification, and typo-tolerant catalog search via pg_trgm.

Next.jsExpressPrismaPostgreSQL

Document Assistant API

RAG-powered document-intelligence API, live in production.

Per-user isolated vector collections, deployed on HuggingFace Spaces and Vercel.

PythonFastAPIChromaDBSentence TransformersGroq

Smoke Dash

RBAC admin platform with full audit trails.

Role-based access control system with complete audit logging across every action.

Next.jsFastifyPostgreSQLPrisma

Agentic RAG — Football Intelligence

Autonomous tool-calling agent for football data queries.

Achieved 87% answer correctness and a 93% reduction in hallucinations.

PythonFastAPIChromaDBGroq

Boss Burger

Customer ordering site with a real-time admin dashboard.

Live order tracking and management for a food-service business.

React.jsElectron.jsFirebase

05 · Contact

Let's build something.

Open to new opportunities, freelance work, and interesting problems. Reach out and let's talk.

mohammadsafieddine789@gmail.com

© 2026 Mohammad Safieddine

Built with Next.js & Tailwind CSS