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Mahmoud Trigui-Data Scientist

Mahmoud Trigui - Data Scientist - profile avatar
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Sfax, Tunisia

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Experience

Feb 2024 - Dec 2024
Sfax, Tunisia

Data Scientist

Sofrecom Tunisia (Orange Group)

Position Summary
Data Scientist at Sofrecom Tunisia (Orange Group)
Industries
Telecommunication
Business Areas
Business Intelligence
Operations
  • Developed 12-month and 52-week forecasting system for multiple independent time series to support budget, resource, and staffing planning
  • Built a semi-automated forecasting framework in Python using MLforecast library
  • Designed a three-step optimization process: optimal lag selection, feature variable identification, and model and hyperparameter tuning
  • Implemented comprehensive feature engineering including date-based variables and seasonality/trend/periodicity components
  • Applied target transformation functions and developed an ensemble modeling approach for result smoothing
  • Created automated pipelines for handling multiple independent series at different granularities
  • Presented forecast results via interactive dashboards and facilitated data-driven decision making through PowerBI and LookerStudio
  • Developed an automated PDF audit information extraction system using GPT-4, with multi-page PDF processing, image conversion, Pydantic data validation, and JSON output generation
  • Built an FTTH access orders forecast solution with R's feasts and fable, achieving ~5% RMSE and migrating to production on Dataiku
  • Converted Python scripts to production-grade Dataiku workflows, designed efficient Analytics Base Table creation, and validated MLForecast effectiveness
Feb 2022 - Dec 2022
Sfax, Tunisia

Part-time Statistics Lecturer

International School of Business

Position Summary
Part-time Statistics Lecturer at International School of Business
Industries
Education
Business Areas
Research and Development
Mar 2021 - Feb 2023
Spain

Data Scientist

Kiota Intelligence

Position Summary
Data Scientist at Kiota Intelligence
Industries
Banking and Finance
Business Areas
Business Intelligence
  • Built predictive models in R for startup survival, Series A funding probability estimation, pre-valuation, and investor-startup matching
  • Developed an interactive Shiny dashboard with dynamic filtering, multidimensional outlier detection, and temporal clustering analysis
  • Designed CSS-styled RMarkdown reports and implemented an automated email distribution system
  • Developed a statistical testing framework for funding rounds and an interactive filtering system for investor matching
Aug 2019 - Jan 2021

Machine Learning Competitor

ZINDI platform for Data Science

Position Summary
Machine Learning Competitor at ZINDI platform for Data Science
Industries
Information Technology
Business Areas
Business Intelligence
Research and Development
  • Participated in multiple competitions using R, achieving top rankings: 4th in global COVID-19 spread prediction, 11th percentile in Uber Movement SANRAL, 6th in AI Hackathon Tunisia, and top percentiles in Basic Needs Basic Rights Kenya, Sendy Logistics, Financial Inclusion in Africa, IEEE Big Data Cup, Uber Nairobi Ambulance Perambulation, Wazihub Soil Moisture Prediction, Female-Headed Households in South Africa, Akeed Restaurant Recommendation, UNICEF Flood Prediction, South African COVID-19 Vulnerability Map, and Sea Turtle Rescue
Nov 2018 - Jan 2020

Data Scientist

Freelance

Position Summary
Data Scientist at Freelance
Industries
Information Technology
Media and Entertainment
Business Areas
Business Intelligence
Product Development
Research and Development
  • Designed comprehensive machine learning curriculum and hands-on labs, including Python notebooks covering supervised and unsupervised algorithms and model optimization techniques
  • Developed a scalable NLP classification system with automated category prediction pipeline and future data classification framework
  • Built IoT sensor analytics solutions with high-precision weight prediction models and error reduction algorithms
  • Created a social media analytics platform with Facebook API integration, sentiment analysis, and actionable strategic insights
Jan 2018 - Mar 2020
Tunis, Tunisia

Data Scientist

Tunisia Telecom Group

Position Summary
Data Scientist at Tunisia Telecom Group
Industries
Telecommunication
Business Areas
Business Intelligence
Marketing
  • Constructed Analytics Base Table from multiple data sources and implemented robust data quality checks
  • Performed advanced feature engineering, statistical testing, and correlation analysis
  • Developed K-means clustering model for behavioral segmentation and created detailed segment profiles
  • Designed automated classification system for new customer assignment and delivered actionable customer insights
  • Developed and validated multi-SIM user detection hypotheses, engineered customer scoring algorithms, and built detailed user profiles using SAS Guide and Miner
  • Identified family communities and extended family networks through behavioral patterns and collaborated with SAS, KPMG, and Business&Decision experts on churn, cross-sell, and community link analysis models
Jun 2016 - Dec 2017
Tunis, Tunisia

Data Analyst

Tunisia Telecom Group

Position Summary
Data Analyst at Tunisia Telecom Group
Industries
Telecommunication
Business Areas
Business Intelligence
Marketing
Sales
  • Developed SQL ad-hoc requests and dashboards for customer value management performance, network quality KPIs, data service penetration, customer segmentation profiles, and sales analytics
  • Implemented VBA automation for PowerPoint reporting and established data quality verification protocols
  • Designed targeted marketing campaigns, Try & Buy offer frameworks, and generated data-driven product recommendations
Jun 2015 - Dec 2015
Toulouse, France

Research Statistician

LAAS-CNRS

Position Summary
Research Statistician at LAAS-CNRS
Industries
Government and Administration
Business Areas
Information Technology
Product Development
Research and Development
  • Developed a behavioral pattern recognition model for homeowner identification and a real-time intrusion detection algorithm
  • Implemented an automated alarm management system and designed a real-time data processing pipeline
  • Built statistical learning models for behavior analysis and an automated decision-making system
  • Authored research book "Automatic Management of a Home Property Security System" published by European University Editions
  • Won IBM Watson Services competition, led AI labs, and trained participants in Watson Services

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Banking and Finance, Information Technology, Education, Media and Entertainment, and Government and Administration.

Telecommunication
Banking and Finance
Information Technology
Education
Media and Entertainment
Government and Administration
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Business Intelligence, Marketing, Research and Development, Product Development, Sales, and Operations.

Business Intelligence
Marketing
Research and Development
Product Development
Sales
Operations
Profile match chart

Summary

Data Scientist with 9+ years of experience specializing in structured data analytics/machine learning, time series forecasting, and NLP solutions. With expertise in both R and Python ecosystems. I am particularly passionate about feature engineering and its crucial role in machine learning effectiveness.

Consistently expanding expertise through competitive programming and continuous learning from leading educational platforms. Combines technical proficiency with strong analytical thinking to deliver impactful data-driven solutions.

Skills

  • Machine Learning
  • Sql
  • Time Series Forecasting
  • Structured Tabular Data Analysis & Machine Learning Solutions
  • Time Series Forecasting
  • Clustering Algorithms
  • Advanced Feature Engineering
  • Nlp & Llm Implementations

Languages

Arabic
Native
English
Advanced
French
Intermediate

Education

Oct 2011 - Jun 2015

ESSAI, Higher School of Statistics and Data Analysis

Engineering degree, Statistics and Data Analysis · Statistics and Data Analysis · Tunis, Tunisia

Oct 2008 - Jun 2011

IPEIS, Preparatory Institute for Engineering Studies

Mathematics-Physics · Sfax, Tunisia

15 November High School

Computer Sciences

Certifications & licenses

Advanced R Programming

Coursera

Creating Features For Time Series Data

Coursera

Practical Time Series Analysis

Coursera

Data Analyst In R Path

DataQuest

Forecasting Product Demand In R

DataCamp Courses

Statistical Learning (Using R)

Stanford Online

Time Series With R Track (6 Courses)

DataCamp Courses

Applied Data Science With R - Level 2

IBM Badges

Machine Learning By Andrew Ng

Stanford Online

Predictive Modeling And Text Mining

SAS Badges

Exploratory Data Analysis

SAS Badges

Data Analyst Track

Udacity

Build Your Own Chatbot - Level 1

IBM Badges

Node-Red: Basics To Bots

IBM Badges

Sas Programming 1: Essentials

SAS Badges

Data Science Orientation

Coursera

Introduction To Anova, Regression And Logistic Regression

SAS Badges

Mining Massive Datasets (Big-Data Algorithms)

Stanford Online

Analyzing And Visualizing Data With Excel

edX

Inferential And Predictive Statistics For Business

Coursera

Text Mining And Analytics

Coursera

Cluster Analysis In Data Mining

Coursera

SQL

Stanford Online

Data Science: Data To Insights

MIT Professional X

Managing Big Data With Mysql And Teradata

Coursera

Querying With Transact-Sql

edX

Statistics With R: Correlation And Linear Regression

DataCamp Courses

Introduction To Python For Data Science

edX

Statistics

Experience

Total positions 8
Experience in Telecommunication 4.5 y
Avg length 1 y 4 m
Longest experience 2 y 2 m

Global Experience

Countries worked in 3 (Tunisia, Spain, France)
Primary country Tunisia

Expertise

Recent roles Data Scientist, Part-time Statistics Lecturer, Machine Learning Competitor
Main industries Telecommunication, Banking and Finance, Information Technology
Main business areas Business Intelligence, Marketing, Research and Development

Qualifications

Highest degree Master
Certifications earned 28

Profile

Created
Last Update

Frequently asked questions

Have questions? Find more information here.

Mahmoud is based in Sfax, Tunisia and prefers 100% remote projects.
Mahmoud speaks the following languages: Arabic (Native), English (Advanced), French (Intermediate).
Mahmoud has at least 8 years of experience. During this time, Mahmoud has worked in at least 5 different roles and for 7 different companies. The average length of individual experience is 1 year. Note that Mahmoud may not have shared all experience and actually has more experience.
Based on recent experience, Mahmoud would be well-suited for roles such as: Data Scientist, Part-time Statistics Lecturer, Machine Learning Competitor.
Mahmoud's most recent position is Data Scientist at Sofrecom Tunisia (Orange Group).
In recent years, Mahmoud has worked for Sofrecom Tunisia (Orange Group), International School of Business, and Kiota Intelligence.
Mahmoud is most experienced in industries like Telecommunication, Information Technology, and Banking and Finance. Mahmoud also has some experience in Media and Entertainment, Education, and Government and Administration.
Mahmoud is most experienced in business areas like Business Intelligence, Marketing, and Research and Development. Mahmoud also has some experience in Product Development, Sales, and Operations.
Mahmoud has recently worked in industries like Banking and Finance, Telecommunication, and Education.
Mahmoud has recently worked in business areas like Business Intelligence, Operations, and Research and Development.
Mahmoud holds a Master in Statistics and Data Analysis from ESSAI, Higher School of Statistics and Data Analysis and a Bachelor in Mathematics-Physics from IPEIS, Preparatory Institute for Engineering Studies.
Mahmoud has 28 certificates. Among them, these include: Advanced R Programming, Creating Features For Time Series Data, and Practical Time Series Analysis.
Mahmoud is immediately available part-time for suitable projects.
Mahmoud's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Mahmoud, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
600
400
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Market avg: 520-680 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.