Firas Bellakhel

Data Scientist | AI and NLP

Salaire / Taux journalier

Tunis, Tunisie

Freelance, ouvert au CDI

Peut venir sur site

Expertises

Test & QAData ScienceData Analysis

Langues

AnglaisArabeFrançais

À propos

Introduction

Data Scientist with 3+ years of experience in AI, NLP, and fraud detection systems. Developed advanced models using YOLOv8/Detectron2 for car damage detection and created sentiment analysis solutions for e-commerce optimization. Specialized in data visualization, API integration, and stakeholder communication to deliver actionable insights.

Liens

Expérience de travail

QA Tester (ISTQB Certification Prep)

Go My Code

avr. 2025 - juin 2025

3 mois

Soliman, Tunisie

Applied Black-box testing techniques such as Boundary Value Analysis and Equivalence Partitioning Designed manual test cases based on test scenarios and requirement specifications Reported bugs and documented anomalies using Jira in simulated app environments

Team lead

Téléperformance

déc. 2024 - févr. 2025

3 mois

Soliman, Tunisie

Led daily team operations to ensure alignment with KPIs focused on customer satisfaction, retention, and service quality Monitored and analyzed team performance metrics to identify improvement areas and implemented corrective actions Coached and developed team members to enhance skills, boost engagement, and foster a customer-centric mindset Conducted regular performance reviews and provided actionable feedback to drive productivity and professional growth Managed resource scheduling to optimize coverage and consistently meet or exceed Service Level Agreements (SLAs)

Senior Customer Service Advisor

Teleperformance

mars 2020 - déc. 2024

4 ans 10 mois

Soliman, Tunisie

•Provided customer service and handled complaints, demonstrating strong communication skills • Managed appointments efficiently, showcasing organizational skills and attention to detail • Worked collaboratively with team members to improve service quality • Assist new employees and help them adapt during the onboarding period

Data Scientist Intern

Unfrauded

avr. 2023 - déc. 2023

9 mois

Conducted comprehensive data collection and preprocessing • Utilized advanced detection algorithms, including YOLOv8, YOLOv5, and Detectron2 • Developed and implemented AI models for car damage and fraud detection • Presented findings and models to stakeholders, demonstrating excellent communication skills

Data Analyst Intern

Baity.tn

juil. 2022 - oct. 2022

4 mois

• Extracted data from Facebook’s marketing API • Created dashboards with Google Data Studio to visualize key performance indicators • Measured Facebook Ads KPIs • Collected and cleaned data to ensure accuracy and reliability • Developed an NLP model for predicting and analyzing customer comments as positive, negative, or neutral to improve the sales strategy for products.

Financial Services Intern

SFBT COCA COLA TUNISIA

juil. 2014 - oct. 2014

4 mois

• Issued bank checks and prepared financial statements • Processed payroll, demonstrating accuracy and attention to detail • Gained experience in financial operations and documentation


Formation

GOMYCODE

ISTQB

2025 - 2025

3 mois

TEK-UP University of Digital Sciences

Master’s Degree in Computer Science

2020 - 2023

3 ans 2 mois

Faculté des Sciences Mathématiques, Physiques et Naturelles de Tunis

Bachelor's degree

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