Christian Hajj
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Christian Hajj Email & Phone Number

BI Developer and Pricing Analyst at Antalis
Location: Greater Paris Metropolitan Region, France 8 work roles 4 schools
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Role
BI Developer and Pricing Analyst
Location
Greater Paris Metropolitan Region, France
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Who is Christian Hajj? Overview

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Christian Hajj is listed as BI Developer and Pricing Analyst at Antalis, a with 2581 employees, based in Greater Paris Metropolitan Region, France. AeroLeads shows a matched LinkedIn profile for Christian Hajj.

Christian Hajj previously worked as Business Intelligence and Pricing Analyst at Antalis and Mathematics Physics Teacher at Acadomia. Christian Hajj holds Master'S Degree, Artificial Intelligence from Ia School.

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Antalis

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Profile bio

About Christian Hajj

Astrophysics enthusiast, who found a new home in data science. I spent years exploring the vastness of the cosmos using data, now I use those learned skills to uncover valuable insights from data.Studying the universe trained me to think critically and analytically while also equipping me with important tools I leveraged in order to create state-of-the-art observations and simulations to answer astrophysical questions.Furthermore, I have 6 years of experience in teaching Physics and Maths, in both English and French, to students of varying ages and levels (grade 5 to 12, undergraduate). This allowed me to develop valuable soft skills such as attention to detail, organization, time management and presentation.Being keen on making a transition into the world of data, I started my journey by earning the Google Data Analytics Professional Certificate, then adding to it the Machine Learning using Python certificate from the University of Michigan.My technical skills: Excel/Spreadsheets - GitHub - Python (Pandas - NumPy - SciPy - Matplotlib - Plotly) - SQL - Tableau - R programming - HTML/CSS - Machine Learning (scikit-learn - TensorFlow - Neural Networks) - MATLAB - C/C++ - Fortran .Self-learning is not only limited to career goals, I also am a self-taught guitarist, a skill quite valuable in my free time. I also seek nature and new adventures frequently.Feel free to connect and contact me through my email: christian_hajj7@hotmail.com

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Antalis
Antalis
BI Developer and Pricing Analyst
boulogne-billancourt, ile-de-france, france
Website
Employees
2581
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8 roles

Christian Hajj work experience

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Bi Developer And Pricing Analyst

Paris, Fr

Business Intelligence And Pricing Analyst

Paris, Île-De-France, France

Mathematics Physics Teacher

Paris, Île-De-France, France

Mar 2022 - Jul 2024

Maths Physics Teacher

Paris, Île-De-France, France

Mar 2022 - Jul 2024

Arabic Instructor

Amsterdam, North Holland, Netherlands

May 2023 - Jun 2024

Simulation Engineer

Apc Laboratory

Paris, Île-De-France, France

The main goal was to create a model that reproduces the attenuation of galactic Gamma-rays caused by the Cosmic Microwave Background (CMB) and the emissions of dust grains. Properties of dust grains like their size and distribution in the galaxy were crucial to creating an accurate model that is in accordance with previous results. In parallel, I also created a 3D interactive model of the galaxy that plots the positions of sources detected by the Large High Altitude Air Shower Observatory (LHAASO) using Python. This model would help us further in understanding and studying the attenuation of these sources depending on their position and distribution in the galaxy.

Mar 2023 - Jun 2023

Model Analyst

Performing chi-squared analysis on a model that simulates the outcome of the photo-multipliers of NectarCAM depending on up to 10 input parameters. The main goal was to investigate the level of dependence of the model on each of the parameters and at the same time finding ways to optimize it to reduce it's divergence from real data extracted from NectarCAM

Apr 2022 - Jul 2022

Research Analyst

Cea

Saclay, Île-De-France, France

NectarCAM is the camera for Middle-Sized-Telescopes of the next generation of Gamma-ray telescopes, the Cherenkov Telescope Array(CTA).I conducted a deep statistical analysis on the waveforms (signals) of NectarCAM after I extracted, cleaned and filtered data from numerous observational testing campaigns.The main goal was to study the behavior of electronic noise depending on various outside conditions and look for defecting photomultipliers or in other words, the ones emitting unusual amount of electronic noise compared to their neighbors. Throughout the study, I dealt with large datasets since the camera consists of around 1800 photomultiplier and it was tested on over a thousand runs of observation and testing in a dark room.Indeed, this study proved useful in discovering certain malfunctioning photomultipliers .

Apr 2021 - Jul 2021
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4 education records

Christian Hajj education

Master'S Degree, Artificial Intelligence

Master'S Degree, Astrophysics

Activities and Societies: Observational astrophysics, Simulation, Image processing, Cosmology, Instrumentation for Astrophysics

FAQ

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What company does Christian Hajj work for?

Christian Hajj works for Antalis.

What is Christian Hajj's role at Antalis?

Christian Hajj is listed as BI Developer and Pricing Analyst at Antalis.

Where is Christian Hajj based?

Christian Hajj is based in Greater Paris Metropolitan Region, France while working with Antalis.

What companies has Christian Hajj worked for?

Christian Hajj has worked for Antalis, Acadomia, Anacours, Imasterarabic, and Apc Laboratory.

Who are Christian Hajj's colleagues at Antalis?

Christian Hajj's colleagues at Antalis include Sean Roberts, Yvan Tiebout, Marie Jacquier, Adam Masny, and Linda Troles.

How can I contact Christian Hajj?

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What schools did Christian Hajj attend?

Christian Hajj holds Master'S Degree, Artificial Intelligence from Ia School.

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