freiberufler Ingenieur Data Scientist Consultant auf freelance.de

Ingenieur Data Scientist Consultant

offline
  • 85€/Stunde
  • 92130 Issy-Les-Moulineaux paris
  • Europa
  • fr  |  ar  |  en
  • 20.10.2020

Kurzvorstellung

Ich bin tätig im bereich der Data Science. Ich biete meine Dienste als Ingenieur dessen Kreativität und Autonomie von grossem Vorteil sind. Ich meistere 4 Sprachen : Eng, De, Fr und Arabisch.

Qualifikationen

  • Apache Spark
  • Big Data
  • Data Mining
  • Linux (Kernel)
  • Microsoft SQL Server Integration Services (SSIS)
  • Projektmanagement (IT)
  • Python
  • Scikit-learn
  • Tableau
  • Text Mining

Projekt‐ & Berufserfahrung

Data Scientist
Enedis, Lyon
2/2020 – 9/2020 (8 Monate)
IT & Entwicklung
Tätigkeitszeitraum

2/2020 – 9/2020

Tätigkeitsbeschreibung

· Ensured an overall check on the previous architecture.
· Proposed a generic, based on microservices architecture.
· System‘s failure predictions
· Building a robust pipeline for training and online predictions.
· Implement 3 Microservices on a Docker basis.
· Implemented Gitlab-CI (CI/CD) for four repositories.

Eingesetzte Qualifikationen

Data Science, Pandas DataFrame, Docker, Python, Kubernetes

Data Scientist
RatePAY, Berlin
4/2019 – 9/2019 (6 Monate)
RISK MANAGEMENT
Tätigkeitszeitraum

4/2019 – 9/2019

Tätigkeitsbeschreibung

* Model Training and Evaluation ( Implementation of the bootstraping Evaluation concept ).
* POC realization for a new customer service ( Return Volume Prediction ).
* Redesign of the offline ( training pipeline ) process.
* Implementation of a data validation package for data quality check.
* Python automation scripts and casual unit and integration tests.

Eingesetzte Qualifikationen

Data Science, Maschinelles Lernen, Docker, Python

Data Scientist (Festanstellung)
Kundenname anonymisiert, Paris
4/2018 – 3/2019 (1 Jahr)
Dienstleistungsbranche
Tätigkeitszeitraum

4/2018 – 3/2019

Tätigkeitsbeschreibung

• Setting up an architecture specific to the predictive models.
• Preparing the execution environment for Python algorithms.
• Operating a NoSQL database (MongoDB)
• Analyzing data flow through the PERIOSYSTEM application.
• Cleaning the data from the PERIOSYSTEM application.
• Setting up a dimensionality (PCA) reduction algorithm.
• Creating segments that describes the rendezvous’ likelihood in dental clinics.
• Setting up models that predict the likelihood of rendezvous’ attendances.
• Evaluating the built models through different criteria.
• Deployed the models following the FLASK micro-framework.
• Created patch algorithms (JSON file Correction)
• Ensured the portability and maintainability of the solution.
• Ensured the adaptation of the solution to the possible changes during the development process of the PERIOSYSTEM application.
• Performed performance tests for deployed models.

Eingesetzte Qualifikationen

Tableau, MongoDB, Pandas DataFrame, Scikit-learn, Linux (Kernel), SCRUM, Python

Data Scientist (Festanstellung)
Kundenname anonymisiert, Tunis
12/2017 – 3/2018 (4 Monate)
Großhandel
Tätigkeitszeitraum

12/2017 – 3/2018

Tätigkeitsbeschreibung

• analyzed the Japanese online sales market.
• Studied the techniques of setting up the prices.
• Studied the psychology of the buyers and the influence of the descriptive texts of the products.
• Set up a textual data excavation system (Python NLTK)
• Detected influent factors on the pricing techniques.
• Put in place a predictive regressive model.
• Optimized scripts in terms of hardware and complexity.

Eingesetzte Qualifikationen

Microsoft Power BI, Natural Language Processing (NLP), Text Mining, Python

Data Scientist (Festanstellung)
Kundenname anonymisiert, Tunis
7/2014 – 11/2017 (3 Jahre, 5 Monate)
IT und Machine Learning
Tätigkeitszeitraum

7/2014 – 11/2017

Tätigkeitsbeschreibung

• Conducted an in-depth study of customer behavior at the various multinational banks.
• Prepared the data through an Extract Transform Load Process.
• Ensured data visualization to come up with important insights.
• Set up anomaly detection algorithms.
• Set up supervised methods (Random Forest, Naive Bayes)
• Set up non-supervised methods (Kmeans, DbScan, CAH...)
• Set up a common profile for fraudulent transactions.
• Put into production an API developed in Python 2.7 and FLASK.
• Ensured the maintenance of my model within the production environment.
• Ensured the continuous evaluation of my predictive models.

Eingesetzte Qualifikationen

Apache Hadoop, Microsoft SQL Server Integration Services (SSIS), Pandas DataFrame, Scikit-learn, SCRUM, Python

Data Scientist (Festanstellung)
Kundenname anonymisiert, Tunis
7/2014 – 7/2015 (1 Jahr, 1 Monat)
IT und Machine Learning
Tätigkeitszeitraum

7/2014 – 7/2015

Tätigkeitsbeschreibung

• Set up a STORM topology operating in real time.
• Ensured the transport of a continuous stream of data (Apache Kafka).
• Prepared data operating under the network layer of the OSI model.
• Set up an automatic "Parsing" data system.
• Studied the influence of environmental factors on the predictive modeling process.
• Prepared a predictive classification model.
• Set up anomaly and novelty detection algorithms.
• Tested the model in performance as well as in complexity.
• Set up a Python scripts operating in real time.
• Ensured an interconnection between the different nodes of the architecture.
• Optimized Python scripts to ensure a high performance.
• Ensured the logging as well as real-time visualization of prediction results.
• Ensured the detection of SQL injections, DOS/DDOS attacks, XSS attacks...

Eingesetzte Qualifikationen

Apache Hadoop, Big Data, Cyber Security, SCRUM, PL/SQL, Python

Zertifikate

DSH für Ausländer / C1
2010

Ausbildung

Computer Science Und Data Science
Ingenieur
2015
Tunesien

Über mich

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Weitere Kenntnisse

python 2.7 - 3.x, Scikit-Learn, Pandas, numpy, Pystorm, Strom, Pyspark, Spark, Kafka, Rsyslog, MongoDB, Hbase, SQL/NoSQL, Microsoft BI Tools, Tableau, Flask / Falcon, Rest/SOAP, SCRUM, CRISP DM, Linux servers,

Persönliche Daten

Sprache
  • Französisch (Muttersprache)
  • Englisch (Fließend)
  • Deutsch (Fließend)
  • Arabisch (Muttersprache)
Reisebereitschaft
Europa
Arbeitserlaubnis
  • Europäische Union
Profilaufrufe
2264
Alter
33
Berufserfahrung
10 Jahre und 1 Monat (seit 02/2014)
Projektleitung
1 Jahr

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