Freelancer profile translated to English.

Description

Full Stack JavaScript Developer with over 6 years of experience, I assist my clients in the design and development of modern, high-performance, and secure web applications.

Specialized in the MERN stack (MongoDB, Express, React, Node.js), I work on the entire technical value chain:

• backend and frontend architecture

• creation of robust REST APIs

• integration of responsive interfaces

• performance and security optimization

I have contributed to several strategic projects (SEO, site builders, marketing platforms, and CRM), notably at Digital Prod, where I worked in an Agile/Scrum environment with stacks like Symfony, Angular, PostgreSQL, and Zend.

Languages

French
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Digital Prod
Full Stack JavaScript Developer
December 2018 - July 2025 (6 years and 7 months)
Tunis, Tunisia
Participation in several strategic web projects, as a full-stack developer, with a strong responsibility for the architecture, performance, and security of applications. Agile/Scrum environment.

Main achievements:

SEO Platform – Rankboost
Stack: Express.js, React.js, MongoDB, Tailwind CSS

Development of secure backend APIs (authentication, validation, middlewares)

Integration of responsive user interfaces in React

Implementation of CRON tasks to automate business processes

Site Builder – Yellowsmith
Stack: Express.js, React.js, MongoDB, Bootstrap

Full-stack development of customizable modules

Optimization of front-end and backend performance

Application of good code and security practices

Marketing Platform – Bboard
Stack: Angular 5, Zend Framework, SQL

Redesign and optimization of existing code

Addition of new front-end features in Angular

Correction of critical bugs to improve platform stability

CRM (Customer Relationship Management) Solution
Stack: Symfony 6, PostgreSQL, JavaScript

Design and development of front and back modules

Integration of REST APIs and complete management of CRUD operations

Skills developed:
Node.js, Express, React.js, Angular, MongoDB, PostgreSQL, REST API, security, optimization, continuous integration, Agile project management.
Node.js Developer React.js JavaScript, HTML5, CSS3, PHP, MySQL Front-End Development Debug
Globalnet
Technical Advisor – Globalnet (Internet Service Provider)
TELECOMMUNICATIONS
June 2018 - November 2018 (5 months)
Tunis, Tunisia
• Identification of needs and proposal of adapted solutions to guarantee customer satisfaction
Complex Problem Solving Customer Service

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Applied License in Web and Multimedia Development
ISET
Licence appliquée en Développement Web et Multimédia
Bachelor of Science
de l'Informatique Lycée Ibn Sina
Baccalauréat en Sciences

Khaireddine Guermzi

Full Stack JavaScript Developer

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