Ali Aydi

Full-Stack Engineer & Data Engineering Student

Bridging the gap between scalable software and intelligent data.

See the work · Tour Room 404 in 3D

My philosophy

Quiet focus. Precise action. Consistent progress.

I’m Ali Abdelkader Aydi, from Sfax, Tunisia. My journey is defined by a relentless pursuit of knowledge.

I combine software craftsmanship with data engineering to design, scale and deploy intelligent platforms, from cloud-native backends to modern RAG and ETL pipelines.

What I do

Back End Developer and Architecture

Whether it’s Node.js with Express, Laravel, or even Flask, I excel at crafting efficient and scalable systems with precision. I apply SOLID principles and proven design patterns to ensure industry-best practices in every project.

Front End Developer (Web/Mobile/Desktop)

As a front-end developer, my work isn’t limited to the web. Thanks to my expertise in JavaScript and its ecosystem, I build cross-platform solutions for mobile and desktop using React, Next.js, React Native, and even Electron.js.

SEO Optimizer

I optimize your website to improve search engine rankings, increase organic traffic, and boost overall online visibility. My work covers technical SEO, on-page optimization, site performance tuning, keyword research, structured data, mobile-first optimization, and content strategy—helping your site rank higher and convert better.

Data Engineering

Proficient in SQL and its extensions such as T-SQL, and experienced with ORMs, Python, and DBT. Strong knowledge of data warehousing and big data technologies including Hadoop, Spark, and Airflow. Experienced with cloud platforms like GCP and Azure. I excel at data modeling, building ETL/ELT pipelines, and working with both SQL and NoSQL database systems.

AI Developer

I am an AI developer combining my software engineering skills with ML, NLP, and RAG advanced tech to create practical, intelligent platforms. I build and integrate AI models into real applications and deploy them using Flask for fast, reliable delivery.

Tools I work with

  • React Native
  • Next.js
  • Node.js
  • Docker
  • ETL
  • Spark
  • Hadoop
  • RAG Pipelines
  • GCP
  • Python

Selected work

Things I build, end to end

Web App / Data / SEO

Calculi

A PWA used by 151,000+ Tunisian students: university and Bac grade calculators, target-grade simulations, and the full national orientation guide, extracted from a 203-page PDF into 870+…

Visit live

Web App / Mobile App

Ahjez

Built a cross-platform appointment & business discovery platform (React Native, Next.js) with multilingual support. Designed scalable backend (Node.js, MongoDB, Docker, Cloud Run) cutting…

Visit live

Web App / SEO

Calculi Blog & Invariant

Two publications from one custom CMS: an Arabic RTL blog for Tunisian students and Invariant, an English engineering publication, with a shared render pipeline for mixed-direction text,…

Visit live

My journey & accomplishments

Work experience

Sep 2024 – Apr 2025

Full-Stack & Data Engineer

Ahjez SaaS Platform | Remote (France)

  • Built a cross-platform appointment & business discovery platform (React Native, Next.js) with multilingual support.
  • Designed scalable backend (Node.js, MongoDB, Docker, Cloud Run) cutting hosting costs 99% via autoscaling + caching.
  • Integrated real-time notifications (Socket.IO, Firebase), geospatial APIs (Google Maps, Mapbox), and Cloudinary media storage.
  • Automated CI/CD (GitHub Actions), reducing deployment cycles 90%.
  • Boosted SEO (SSR, structured data, dynamic sitemaps), driving higher client visibility

Feb 2024 – Jul 2024

Software Engineering Intern

Pixel Pro Agency | Sfax, Tunisia

  • Developed a fiscal management system (Laravel, Inertia.js/React, MySQL) with RBAC and audit logging.
  • Automated document workflows + PDF generation; delivered scheduling, dashboards (Big Calendar, Chart.js).
  • Streamlined committee management by developing a system that reduced data access and decision-making time from days to minutes.
  • Deployed an unsupervised learning-based (IsolationForest) anomaly detection system to identify unusual patterns in fiscal transactions.

Education

2024-2026

MSc, Data Engineering & AI

FSEGS

Focused on Data Engineering and AI: covering big data ecosystems (Hadoop, Spark, Hive), advanced SQL (T-SQL, PL/SQL), OLAP, BI, and KPI design.

Trained in machine learning and AI fundamentals, including statistics, probability, regression, classification, deep learning, and NLP, with a strong emphasis on model testing and evaluation.

Also studied data ethics, governance, and marketing fundamentals.

2021-2024

BSc, Business Computing (Top 10%)

FSEGS

Graduated in the Top 10% with a BSc in Business Computing: The program emphasized mathematics, logic gates, and hardware architecture fundamentals.

Strong focus on SQL, object-oriented programming (OOP, SOLID, UML), and algorithmic problem-solving using C—covering trees, stacks, queues, graphs, and complexity theory (P, NP, optimization, dynamic programming).

Also gained a solid understanding of concepts such as Turing machines and memory management.

Certifications

  • CDOSS Managing Big Data in Hadoop Cluster, CDOS, 2025
  • CDOSS Hadoop Cluster Installation and Administration, CDOS, 2025
  • CDOSS Artificial Intelligence and Machine Learning Fundamentals, CDOS, 2025
  • Complete React Developer (w/ Redux, Hooks, GraphQL), Andrei Neagoie, Yihua Zhang, 2025
  • CDOSS Big Data Analytics with Hive Query Language and Beeline, CDOS, 2025
  • Ethical Hacking From Scratch, z Security, 2023
  • SEO Masterclass: Easy Google SEO, Mobile SEO, Wordpress SEO+, Phil Ebiner, Ryan Breitkreutz, Video School, 2023
  • The Web Developer Bootcamp 2022, Colt Steele, 2022

Awards

  • 3rd place for "Eco-token Blockchain" project, MTC Code Fiesta, 2024
  • 2nd place fro "AI for Urban Waste Management" project, MTC Geek Challange v°4, 2022

Take a coffee & chat with me