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DJ

Dorra JRIJI

PhD in Computer Science & Management · ERP Consultant · Operations Research Specialist

Tunis, Tunisia

@dorra_jriji

LinkedIn

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English Language Studies at University of Tunis El Manar · Graduated 2022

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About

PhD-trained professional in Computer Science and Management with expertise in operations research, ERP consulting, business process analysis, and supply chain analytics. Experienced in ERP implementation, academic teaching, logistics optimization, and decision support systems, with strong analytical and problem-solving skills.

Experience

  • Co-Manager
    Freelance
    Aug 2023 – Dec 2025

    Managed daily operations, customer orders, purchasing and supplier coordination. Monitored prices, product availability and inventory needs. Analyzed sales and purchasing data to support operational decisions. Developed a management application for inventory, orders and reporting.

  • ERP Consultant
    EP Technology Engineering · Tunis
    Apr 2022 – Mar 2023

    Implemented and configured Sage ERP solutions based on client business requirements and operational needs. Analyzed business processes, provided functional support, and resolved system and user-related issues. Delivered user training sessions and prepared technical documentation, guidelines, and operational procedures.

  • Teaching (Information Systems)
    IHET – Institut des Hautes Études de Tunis
    Sep 2019 – Jun 2020

    Taught Information Security and Database Development Environment (C#, SQL Server). Designed course materials, practical sessions, evaluations, and supervised student academic projects.

  • Research Internship
    Laboratory of Computer Engineering and Automation of Artois (LGI2A) · Béthune, France
    May 2019 – Aug 2019

    Optimization of CO2 emissions in a multi-depot vehicle routing problem with time windows. Development and implementation of a mathematical model and a metaheuristic approach.

  • Part-Time Teaching
    ESSEC – Higher School of Economic and Commercial Sciences of Tunis · Tunis, Tunisia
    Sep 2018 – Jun 2019

    Taught Information Security and Database Development courses.

  • Part-Time Teaching
    Higher institute of management of Tunis (ISG) · Tunis, Tunisia
    Sep 2017 – Jun 2018

    Taught Event-Driven Programming and Decision Theory.

  • Marketing Project Manager
    SIGMA Conseil · Ariana, Tunisia
    May 2016 – Oct 2016

    Assisted in managing marketing studies and client projects, including market research, data analysis, and reporting activities. Participated in project coordination, preparation of presentations, and customer satisfaction and marketing analysis assignments.

  • Operations Research Engineer
    Oman Oil Company & Sultan Qaboos University · Muscat, Oman
    Jan 2015 – Aug 2015

    Modeling and solving a multi-compartment periodic vehicle routing problem for petroleum products distribution. Development and implementation of a mathematical model and a metaheuristic Genetic Algorithm.

  • Final Year Internship
    Tunisie Telecom
    Feb 2012 – May 2012

    Designed and developed a price comparison web application named CompaShop. Implemented backend functionalities and database integration for product comparison features. Collaborated on application modeling and software architecture design.

  • Summer Internship
    Sagemcom · Tunis
    Jul 2011 – 2011

    Completed practical training in software development and database management. Worked on introductory projects involving database systems and desktop application development. Strengthened technical skills in programming and data management concepts.

Education

  • English Language Studies
    Institut Bourguiba des Langues Vivantes (IBLV)
    Awarded by University of Tunis El Manar
    English · Oct 2026 – 2026
  • PhD in Computer Science and Management
    Higher institute of management of Tunis (ISG)
    Computer Science and Management · Mar 2017 – Jan 2022
  • Master’s Degree in Information Systems and Decision Modeling (Research Track)
    Higher institute of management of Tunis (ISG)
    Information Systems and Decision Modeling · 2013 – 2015
  • Bachelor’s Degree in Management Information Systems
    Higher institute of management of Tunis (ISG)
    Management Information Systems · 2009 – 2012
  • High School Diploma (Baccalaureate)
    Economics and Management · Jun 2009

Skills

2 to 5 years 2 to 5 years Several years of experience.
Database Development
1 to 2 years 1 to 2 years A year or two of steady use.
Statistical Modeling
6 to 12 months 6 to 12 months Most of a year behind them.
Project Coordination
<3 months <3 months Just getting started - under three months. This is also what shows when a level has not been set.
C Java Scrum Cplex Python VB.NET Routing HTML&CSS Unit Testing Software Design Integration Testing Supply Chain Optimization Enterprise resource planning (ERP) systems

Tools / apps / platforms

2 to 5 years 2 to 5 years Several years of experience.
Microsoft SQL Server
3 to 6 months 3 to 6 months A few months of practice with it.
MySQL

Languages

Native / Bilingual Native / Bilingual Their first language, or as strong as one.
Arabic Speak
Fluent Fluent Comfortable using it for work.
French Speak English Speak

⚽ Extracurricular activities

  • Organizing Committee Member, ALECSO Conference

    Member of the organizing committee for a conference in Tunis, including event coordination and related support.

  • Organizing Committee Member, Human Resources Management Conference

    Member of the organizing committee for a conference in Tunis, with responsibilities in event coordination, communication, web development, and project organization.

📚 Publications

  • A Memetic Algorithm for the Tourist Trip Design with Clustered POIs · 2020
  • A Novel Decision Support System for Tourists Green Trip Design Optimization with Climatic Changes Options · 2018
  • An Improved Ant Colony Optimization for Green Multi-Depot Vehicle Routing Problem with Time Windows · 2017
  • A Bi-Criteria Ant Colony Optimization for Minimizing Fuel Consumption and Cost of the Traveling Salesman Problem with Time Windows · 2017
  • A DSS Based on Hybrid Ant Colony Optimization Algorithm for the TSP · 2017

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