Gabriel CHEHADE

Senior Data Scientist | Machine Learning

Salary / Daily rate

Paris, France

Freelance, open to permanent contract

Can come onsite

Skills

Pythonpandasscikit-learnAWSDeep LearningGitGitLabTensorFlowMySQLAmazon EC2DockerGitHubData AnalysisMachine Learning

Languages

French (Native)English (Fluent)

About me

Intro

Data Scientist and ML Engineer with PhD and 7+ years of experience specializing in energy forecasting and cloud infrastructure. Successfully led AI-driven projects reducing energy consumption and deployed ML models as REST APIs while managing cross-functional teams. Offering expert mentorship and technical implementation in Python, AWS, time series analysis, and deep learning to drive data-powered business solutions.

Links

Work experience

Machine Learning Mentor

Freelance

Feb 2023 - Present

3 years 9 months

Remote, OR 97458, USA

Guide and empower aspiring Machine Learning practitioners via personalized mentorship : • Assist students in understanding core concepts, frameworks, and methodologies in Machine Learning • Guide mentees through hands-on projects and real-world problem-solving exercises • Help mentees debug and optimize their models to improve performance and scalability

Data Scientist

SII Group

Feb 2023 - Oct 2024

1 year 9 months

78140 Vélizy-Villacoublay, France

𝗟𝗲𝗱 𝗔𝗜-𝗱𝗿𝗶𝘃𝗲𝗻 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗶𝗻 𝗘𝗻𝗲𝗿𝗴𝘆 𝗰𝗼𝗻𝘀𝘂𝗺𝗽𝘁𝗶𝗼𝗻 𝗳𝗼𝗿𝗲𝗰𝗮𝘀𝘁𝗶𝗻𝗴 𝘂𝘀𝗶𝗻𝗴 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 : • Conducted extensive data analysis and preprocessing on energy meter and sensor data. • Developed Machine Learning and Deep Learning models to forecast the energy demand. • Deployed Machine Learning models as REST APIs for seamless integration with third-party applications. • Managed a cross-functional team of Data Analysts, Scientists & Developers. 𝗔𝗪𝗦 𝗰𝗹𝗼𝘂𝗱 𝗮𝗱𝗺𝗶𝗻𝗶𝘀𝘁𝗿𝗮𝘁𝗶𝗼𝗻 : • Setup of the R&D department's AWS infrastructure, implementing organizational units and IAM Identity Center. • Established security protocols through SCPs and Permission sets to ensure scalable access management. • Created comprehensive technical documentation to support organizational knowledge sharing.

Université Paris-Saclay

Oct 2018 - Jan 2022

3 years 4 months

91400 Orsay, France

Doctoral Researcher | Data Analyst

Oct 2018 - Jan 2022

3 years 4 months

91400 Orsay, France

𝐒𝐭𝐮𝐝𝐲 𝐨𝐟 𝐨𝐩𝐭𝐢𝐜𝐚𝐥 𝐩𝐫𝐨𝐩𝐞𝐫𝐭𝐢𝐞𝐬 𝐨𝐟 𝟐𝐃 𝐡𝐲𝐛𝐫𝐢𝐝 𝐩𝐞𝐫𝐨𝐯𝐬𝐤𝐢𝐭𝐞𝐬 : • Literature review on the physical properties of 2D hybrid perovskites. • Setup of an optical experiment to measure photoluminescence and reflectivity on a microscopic scale. • Synthesis and characterization of hybrid perovskite crystals. • Analysis and modelling of experimental data using Python. • Creation of clear and concise visualizations to communicate results at conferences. • Contribution to the publication of 3 scientific articles in peer-reviewed journals. • Publication and defense of a thesis demonstrating the non-linear dynamics of recombination processes, the threshold of exciton-exciton annihilation and the role of exciton-phonon coupling in 2D hybrid perovskites.

Assistant Lecturer

Sep 2019 - Jul 2021

1 year 11 months

91400 Orsay, France

Supervision of laboratory sessions in Optics and Electronics. • Topics addressed during Electronics sessions : resistance, generators, diodes, RC, RL and RLC circuits. • Topics addressed during Optics sessions : geometric optics, refractometer, spectrometer, dispersion. • Assisting students in conducting experiments and understanding results. • Grading lab reports.

Research Intern

Université Paris-Saclay

Mar 2018 - Jul 2018

5 months

91400 Orsay, France

• Literature review on the physical properties of 2D hybrid perovskites. • Measurement of the PL and time-resolved PL signal from 2D perovskite crystals. • Analysis of experimental data using Python, Jupyter, Matplotlib, Numpy and Pandas. • Writing of the master’s thesis in English using LaTeX.


Education

OpenClassrooms

Level 7 State-registered Diploma

2022 - 2023

11 months

Université Paris-Saclay

PhD

2018 - 2021

3 years 3 months

Paris-Sud University (Paris XI)

Magister

2016 - 2018

2 years 1 month

Université Paris-Saclay

MSc of Physics

2016 - 2018

2 years 1 month

Paris-Sud University (Paris XI)

Bachelor's degree

2015 - 2016

9 months


Licenses & certifications

Data Scientist

Issued: Feb 2023

Certified by OpenClassrooms

Portfolio

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