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Exemple de missions de Mehdi, freelance ELASTICSEARCH habitant les Hauts-de-Seine (92)

QWANT, France (March 2015 to Present)
- Data Scientist - Machine learning manager: management of Engineer and Data Scientist teams, Algorithms conception and development.
- Head of Innovation: planning the evolution of products (methods, algorithms, data, etc.).
- B2B Director: validation of B2B projects, define the resource needed, manage project implementation and delivery.

- Projects manager:
o Web and social network notoriety, Orange.
▪ Definition of the global architecture,
▪ Development of Machine Learning algorithms (clustering)
▪ Development of web API
▪ Technologies: MongoDB, JEE, Maven, Elasticsearch, Kibana. Python, Scikit-learn,

o B2C music web application “HP Lounge on Microsoft Store”, Universal Music (Paris).
▪ Definition of the global architecture,
▪ Manage Development team
▪ Technical & functional manager
▪ Technologies: MongoDB, JEE, Maven, Elasticsearch, Nginx

o Search engine on videos, TF1.
▪ Design and development of data indexing and analyzing algorithms
▪ Development of web API
▪ Technologies: Python, Elasticsearch

o Lyrics Sentiment analysis, Universal Music (Los Angeles)
▪ Design and development of data indexing and analyzing algorithms
▪ Integration of sentiment ontology
▪ Development of web API
▪ Technologies: Elasticsearch, JEE, Spark, Maven

o Search Engine on personal cloud.
▪ Technical expertise
▪ Development of POC of Search Engine executed on client side
▪ Technologies: Go Lang, CouchDB, Bleve.

o Big Data and Search engine exhibition, Cité des sciences et de l’industrie.
- Member of Conference Program Committee: evaluation of scientific papers.

ANR (Agence Nationale de la Recherche), France (Mars 2014 to Mars 2015)
- External expert Evaluation of Research and Development projects proposed by French companies and universities

TRIMANE, France (September 2013 to March 2015)
- R&D Engineer: manage the research activities, European Project Owner (H2020). Propose a Data Science vision of the Business Intelligence projects.

- Information Retrieval Project Owner:
o Evaluate Information Retrieval market,
o Identify the more adapted product to the customer context,
o Manage the process of Information Retrieval (data sources, index structure, ranking algorithm, front-end impact).

- Advisory and Expertise on Hadoop & Big Data technologies

- Big Data and BI trainer: Hadoop-Yarn and Machine learning algorithms Trainer, ETL Trainer.

CNRS/ETIS, France (October 2009 to September 2013)
- Researcher in Multimedia Indexing and Data Integration team.
- Manager of the Information Retrieval team.
- Speaker in several international conferences (e.g. DEXA’11 France, BDA’11 Morocco, ICIP’13 Australia, etc.),

ENSEA, France (September 2012 to August 2013)
- Professor in computer science (e.g. Object Oriented Programming-JAVA, Multimedia Databases, etc.) - Supervisor of graduation internships for Engineers.

Association of PhD students of Cergy-Pontoise University, France (September 2012 to August 2013)
- President: manage association activities and budget
- Organization of Scientific Conference to promote PhD students’ work

University of Cergy-Pontoise, France (September 2009 to August 2012)
- Professor in Computer Science Department
- Member of the decision-making committee in the Computer Science Department
- Supervisor of several graduation internships for students in master degree and bachelor degree

CNAM, Tunisia (February 2008 to June 2008)
- Designer & developer of electronic exchange system between health professionals and Tunisian Health Care Services.

Papers
- Algorithmes, formes diachroniques, Archétypes et méta-design, « Sciences du Design » Journal. November 2016.

- Exact and Approximate Generic Multi-criteria Top-k Query Processing, Transactions on Large-Scale Data- and Knowledge-Centered Systems (TLDKS). February 2015.

- Generic top-k query processing with breadth-first strategies, International Conference on Database and Expert Systems Applications (DEXA), Prague 2013.

- Multi-criteria Search Algorithm: An efficient approximate K-NN algorithm for image retrieval, IEEE-International Conference on Image Processing (ICIP), Melbourne 2013.

- Dynamic Multi-Probe LSH: an I/O Efficient Index Structure for Approximate Nearest Neighbor Search, International Conference on Database and Expert Systems Applications (DEXA), Prague 2013.

- A general top-k algorithm for web data sources, International Conference on Database and Expert Systems Applications (DEXA), Toulouse 2011.

- Breadth-First strategies for top-k algorithms over web data sources, 27th Advanced Database Conference (BDA), Rabat 2011.

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