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nejib1/README.md

Hey, I'm Nejib BEN AHMED 👋

Lead Data Engineer · Full Stack · AI

Turning raw data into powerful engines. 15+ years building data infrastructure that actually scales.


🧠 What I Do

I design and build robust data systems — from large-scale ETL/ELT pipelines and intelligent web scrapers to AI-powered applications in production. My work sits at the intersection of data engineering, full-stack development, and applied AI.

  • 📦 Architecting ETL/ELT pipelines at scale
  • 🕷️ Web scraping & intelligent data collection
  • 📊 Enterprise-grade reporting systems used by millions
  • 🤖 Fine-tuning LLMs and building AI-powered products
  • 🌐 Full-stack development with PHP, Python & modern tooling

🚀 Selected Projects

Project Description Stack
Offres-Travail.com 🏆 Largest job listings aggregator in France by volume Big Data, Search, Automation
Free-LLM.com World directory of 40+ free LLM API providers Directory, Community
SummarizeAPI.com AI text summarization REST API, multilingual NLP, LLM, API
PDF-Summarize.com Free AI-powered PDF summarizer, 15+ languages NLP, Document Analysis
TheBookee.net ElasticSearch PDF engine with AI-generated summaries OCR, ML, Search
Similars.net Semantic clustering engine indexing 14M+ websites Big Data, NLP
Rankeez.com Real-time SEO analytics with predictive ML on 32M+ sites Predictive ML, Big Data
Lizarder.com Deep learning translation engine, 40+ languages, 50M+ translations Deep Learning, NLP
TrADuck.com High-accuracy AI translation for 35+ languages AI, NLP
XeConvert.com Currency converter with predictive analytics, 170+ currencies FinTech, Real-time
Cables-Solaires.com 🏆 E-commerce for solar battery cables E-commerce
L-Actualite.com AI-curated French news with trend detection IA, Big Data, NLP
Langs.education Adaptive AI language learning platform EdTech, NLP
StatMemory.com Full web analytics: traffic, SEO, WHOIS, hosting Data Mining, Analytics

🛠️ Tech Stack

Data & Pipelines Web Scraping SAS Databricks Apache Spark Elasticsearch Airflow Pandas Anaplan

Artificial Intelligence TensorFlow PyTorch Transformers LangChain Hugging Face OpenAI API

Databases PostgreSQL MongoDB Redis ClickHouse Pinecone Weaviate

Cloud & DevOps AWS GCP Docker Kubernetes Terraform GitHub Actions Axway

Languages Python PHP SQL JavaScript


📈 By the Numbers

15+   years of experience
22+   active projects
10M+  users reached
50+   technologies mastered
170+  currencies tracked in real-time
50M+  translations processed
32M+  websites analyzed daily
14M+  sites indexed in semantic search

💬 Let's Talk

I'm open to data engineering missions, AI consulting, full-stack contracts, and strategic collaborations.


"Data is the raw material. Architecture is the craft. Impact is the goal."

Popular repositories Loading

  1. Free-LLM Free-LLM Public

    Free LLM APIs : 45+ providers with permanent free tiers, trial credits & no credit card required. Includes GPT-4o, Gemini, Claude, Llama, DeepSeek, Mistral & more. Updated weekly. free-llm llm-api …

    Python 8

  2. HomeAssistant2ESP HomeAssistant2ESP Public

    Envoyer des données depuis HomeAssistant vers une ESP+écran Oled

    C++ 2

  3. php-aws-blocker php-aws-blocker Public

    A simple php script to block all AWS IP ranges using iptables.

    PHP 2

  4. php-time-ago php-time-ago Public

    Forked from jimmiw/php-time-ago

    Simple module, that displays the date in a "time ago" format.

    PHP 1

  5. PHPAntiCrawler PHPAntiCrawler Public

    This is a simple way to block anyone from crawling your Website.

    PHP 1

  6. Apool-MMPOS-AutoUpdate Apool-MMPOS-AutoUpdate Public

    MMPOS Apool Miner Auto-Update Script

    Shell 1