DISC
DISC Personality Assessment Platform
Full-stack DISC assessment platform with Admin and Candidate dashboards. Scalable API-driven architecture, automated reporting workflows, and role-based authentication.
Senior Full-Stack Engineer
Hi, I'm Youssef Belhadj
Full-stack engineer with 4+ years building scalable web applications and AI-powered systems. JavaScript & TypeScript across Node.js, Next.js, React — from architecture to deployment.
4+
Years Full-Stack
AI
LLM Integration
70%
Faster Deployments
Youssef Belhadj
Senior Full-Stack Engineer
About Me
Get to know me better
Who I Am
Senior full-stack engineer with 3+ years designing and building scalable production systems and AI-powered applications. Technical Lead at Campusna, delivering end-to-end systems from architecture through deployment.
What I Do
I build with JavaScript, TypeScript, Node.js, Next.js, and React. AI/LLM integrations, REST APIs, SQL databases, and containerized deployments with Docker and CI/CD.
My Approach
Modular, scalable architectures and automated workflows. Reduced deployment time by 70% through Docker and GitHub Actions. Proven ability to design robust backend systems and deliver reliable production software.
Tech Stack
JavaScript / TypeScript
Node.js / Next.js / React
MySQL / PostgreSQL
AI / LLM Integration
GCP / AWS / Docker / CI/CD
Django / Express / REST APIs
My Resume
Senior Full-Stack Engineer · Backend-Focused · Distributed Systems · AI Applications
Backend
Full-Stack
AI
Cloud
Summary
Backend-focused full-stack engineer with 3+ years of experience designing and building scalable production systems and AI-powered applications using JavaScript, TypeScript, and Python.
Experienced delivering end-to-end systems including backend services, APIs, frontend applications, relational databases, and cloud infrastructure. Strong background in Node.js and Django backend development with SQL databases and containerized deployments.
Proven experience designing modular architectures, scalable APIs, and data-driven systems supporting production workloads. Core strengths include backend architecture, scalable service design, system performance optimization, and production reliability.
Technical Skills
Languages
JavaScript, TypeScript, Python
Backend
Node.js, Express.js, Django, REST APIs, JWT, OAuth
Frontend
React.js, Next.js, API Integration, Responsive UI
Databases
MySQL, PostgreSQL, SQL Schema Design, Query Optimization
Cloud
GCP (Compute Engine, Cloud Run), AWS (EC2, S3, ECR, Lambda)
DevOps
Docker, CI/CD, GitHub Actions, Containerized Deployments
Architecture
System Design, Scalable Backend, API Architecture, Distributed Systems
AI Development
AI-powered applications, LLM Integration, OpenAI API, Automation
Professional Experience
Senior Full-Stack Engineer / Technical Lead
Jan 2022 – PresentCampusna — Tunis, Tunisia
- Designed and implemented scalable backend services using Node.js and Django supporting production platforms
- Developed end-to-end applications using JavaScript and TypeScript across Next.js and Node.js environments
- Designed modular backend architectures enabling flexible product evolution
- Built secure authentication and user data integration systems using JWT and OAuth
- Designed relational database schemas using MySQL and PostgreSQL
- Optimized backend performance and database queries improving response times by up to 40%
- Developed REST APIs supporting multi-system integrations
- Implemented containerized deployments using Docker and automated CI/CD pipelines reducing deployment time by 70%
- Deployed cloud services using Google Cloud Platform and AWS environments
- Led development projects from architecture through deployment
- Implemented AI-powered application features including LLM integrations
IT Systems Support / IT Infrastructure
Feb 2018 – Feb 2020CSFMT — Hammam-Lif, Tunisia
- Managed IT systems and infrastructure
- Automated backups and monitoring scripts improving reliability
- Provided technical support and network troubleshooting
- Maintained hardware and software deployments
Selected Projects
DISC Personality Assessment Platform
Full-stack DISC assessment platform with separate Admin and Candidate dashboards. Scalable API-driven architecture, backend services (Node.js/Express), MySQL schemas, automated reporting workflows, role-based authentication.
Node.js · Next.js · MySQL · AWSMedical Points Platform
Production system integrating banks, clinics, and clients for medical transaction processing. Backend services for financial-style transactions, verification APIs, transaction traceability, scalable database architecture.
Node.js · MySQL · Flutter · AWS LambdaMTN Corporate Platform
Refactored backend architecture for corporate API platform. Optimized backend queries reducing API response times by 40%, scalable REST APIs, Docker-based deployments.
Django · Docker · AWS EC2Education
Full-Stack Software Engineering
Holberton School
Advanced Technician Degree in Information Technology
CSFMT
My Projects
Showcasing my recent work
MTN
MTN Corporate Platform
Refactored backend architecture for a corporate API platform. Reduced average API response time by 40% through database optimization and caching.
Medical
Medical Points Platform
Production system integrating banks, clinics, and clients for medical transaction processing. Backend services for financial-style transactions, verification APIs, and transaction traceability.
Get In Touch
Let's work together