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سيف الدين مهندس, Full Stack Developer — Freelance

سيف الدين مهندس

Full Stack Developer — Freelance·Self-Employed

Algeria

Master's degree, systems informatique

Work experience

Total years of experience: 7 years, 5 months

Full Stack Developer — Freelance

January 2019 - Present

Self-Employed

Skikda, Algeria •Remote

January 2019 - Present

Designed and developed multiple production-ready
web platforms and SaaS products independently:

- DentiDZ — Multi-tenant SaaS platform for dental
clinics across Algeria (React, FastAPI, PostgreSQL)
- AI-powered surgical triage system
- Educational center management platform

Stack: React, Next.js, TypeScript, Node.js,
FastAPI, Flutter, Docker, PostgreSQL
Company industry:
IT Services

Enseignant vacataire

January 2025 - January 2026

Université du 20 Août 1955,

Skikda, Algeria

January 2025 - January 2026

Dispense de cours et de travaux dirigés en informatique.
Company industry:
General Engineering Consultancy

Stage pratique

June 2025 - July 2025

SONATRACH,

Skikda, Algeria

June 2025 - July 2025

Découverte de larchitecture des systèmes dinformation et de linfrastructure
réseau de lentreprise.
Visite de la salle des serveurs et compréhension de son fonctionnement et de sa
gestion.
Initiation au câblage réseau (RJ45) et à linterconnexion des équipements.
Observation de la gestion des bases de données et de leur exploitation dans le
traitement informatique.
Analyse des équipements, des systèmes de sécurité et des solutions de
sauvegarde utilisés.
Company industry:
Oil & Gas

Stage pratique

January 2021 - January 2022

Entreprise du Port de Skikda

Skikda, Algeria

January 2021 - January 2022

Observation de larchitecture des réseaux et des systèmes dinformation utilisés
au sein de lentreprise.
Mise en pratique des compétences de base en informatique dans un
environnement professionnel réel.
Participation aux activités de maintenance et de support technique (matériel et
logiciel).
Découverte de la gestion des bases de données et des systèmes informationnels
internes.
Company industry:
Cyber & Network Security

Education

Université du 20 Août 1955

January 2025

January 2025

Master's degree, systems informatique

Algeria

Université 20 Aout 1955 skikda

June 2023

June 2023

Bachelor's degree, هندسة نظم المعلومات و البرمجيات

Algeria

Lycée Souames Salah

January 2018

January 2018

High school or equivalent, sience

Algeria

Skills

CASCADING STYLE SHEETS CSS
Intermediate
CASCADING STYLE SHEETS CSS
Intermediate
DATA ANALYSIS
Intermediate
DATA ANALYSIS
Intermediate
FIREBASE
Intermediate
FIREBASE
Intermediate
FLUTTER SOFTWARE
Intermediate
FLUTTER SOFTWARE
Intermediate
HTML SCRIPTING
Intermediate
HTML SCRIPTING
Intermediate
LINUX
Intermediate
LINUX
Intermediate
MICROSOFT WINDOWS
Intermediate
MICROSOFT WINDOWS
Intermediate
MYSQL
Intermediate
MYSQL
Intermediate
PHP SCRIPTING LANGUAGE
Intermediate
PHP SCRIPTING LANGUAGE
Intermediate
PYTHON PROGRAMMING LANGUAGE
Intermediate
PYTHON PROGRAMMING LANGUAGE
Intermediate

Social profiles

Personal Website
Personal Website
cseifeddine.tech

Training and Certifications

Certifications
Licence en ingénierie des systèmes d'information et des logiciels

Hobbies and interests

Open Source Development & Cybersecurity

Built DentiDZ — a production SaaS platform serving dental clinics across Algeria. Earned CompTIA Security+ and eJPTv1 certifications. Developed multiple full-stack web and mobile applications independently.