
Julien -heiduk
Senior Data Scientist | Recommender systems
Salary / Daily rate
59134 Fournes-en-Weppes, France
Freelance, open to permanent contract
Remote only
Skills
Languages
Work experience
Senior Data Scientist
ADEO
Aug 2023 - Present
3 years 3 months
Remote
- Cold Start problem - Multi-modal similarity between items - Recommendations personalized - A/B tests - LLM for compatibility between items - GNN apply to recommendation system
Mentor Data Scientist & ML Engineer
OpenClassrooms
Feb 2017 - Jun 2023
6 years 5 months
Remote, OR 97458, USA
I help aspiring Data Scientist & ML Engineer to achieve their goals. The satisfaction rate of the 32 learners who have rated me and whom I have already coached is 4.94/5.
Lead Data Scientist
Jagger & Lewis
Aug 2022 - May 2023
10 months
Lille, France
Time Series Classification & API
Co-Founder - Lead Data Scientist
Labs on Mars
Oct 2019 - May 2022
2 years 8 months
Lille, France
- End-to-end ML-project with Dataiku for Predicitve SEO - Text generation for products description, FAQ, article generation - Integration of Data Sources (From API & scraping) and creation of Datamarts - Data technical referent - Cloud Management (Google Cloud Platform)
Senior Data Scientist
Jagger & Lewis
Aug 2018 - May 2019
10 months
Nord - Pas-De-Calais, France
- Developed an AI system for Dog's Activity Recognition. - Concurrently spearheaded the research and development division to investigate alternative deep learning methods. - Collaborated with a Machine Learning Engineer to handle project-related data. - Executed an end-to-end machine learning project. - Established tools to enhance project management, data visualization, and workflow. - Ensured all implemented tools were open source for transparency and collaboration.
Data Scientist
OVH
Dec 2016 - Jul 2018
1 year 8 months
59100 Roubaix, France
- Implemented a product-based recommender system to enhance CRM development. - Utilized Association Rules, interest scoring, and segmentation techniques in CRM development. - Deployed time series forecasting using RNN to predict call center activity and effectively scale teams. - Contributed to the development of a Speech-to-Text Proof of Concept using the WaveNet algorithm from DeepMind. - Applied NLP algorithms to examine and analyze survey data.
Senior Data Analyst
Sopra Steria
Jan 2015 - Dec 2016
2 years
La Madeleine, France
- Implementation of the Data Management Platform (DMP) - Data Muggling with the platform Cloudera (Hive, Spark...) - Implementation of ML's algorithm -Build Datalake
Data Analyst
Créatis (Groupe Cofidis Participation)
Mar 2012 - May 2014
2 years 3 months
Villeneuve-d'Ascq, France
- Reporting to monitor the activity - Production of KPI to pilot the activity - Setting up the calculation of bonuses for employees
Education
Université d'Artois
Licence, Mathématiques et informatique
2010 - Present
16 years 10 months
University of Lille 1 Sciences and Technology
Master ISN - Ingénieur Statistique et Numérique, Mathématiques et statistiques
2010 - 2012
3 years
Licenses & certifications
Engineering data with Azure Databricks
Issued: May 2023
Microsoft Azure AI Basics: Exploring Visual Tools for Machine Learning
Issued: May 2023
Modernizing Data Lakes and Data Warehouses with Google Cloud
Issued: Jul 2022
Introduction to Recommender Systems: Non-Personalized and Content-Based
Issued: May 2019
TOEIC - 805/990 (B2)
Issued: May 2018
Structuring Machine Learning Projects
Issued: Oct 2017
Neural Networks and Deeplearning
Issued: Oct 2017