Jean-Bruno - Data Analyst PYTHON

Ref : 200815V001
Photo de Jean-Bruno, Data Analyst PYTHON
Compétences
Expériences professionnelles
  • Data scientist, Workplace from Facebook (contractor)

    (UK, London)
    Jan 2020 - aujourd'hui

    ● Performed in-depth analysis on workplace monetisation & engagement utilizing SQL (Hive/Presto)
    ● Multivariate Time series & modelling on pricing changes (Python & Prophet library)
    ● Supported the design and the analysis of A/B test experiments.
    ● Insights & reporting with Tableau for monetisation team.

  • Associate, Internal Audit, Data analyst

    Goldman Sachs (UK, London)
    Jan 2019 - Jan 2020

    Leveraged python, regex and NLP to generate data quality checks in order to automate manual audit testing.
    ● Authored data pipelines to extract and reconcile financial risk data with python and SAP Sybase IQ (T-SQL).
    Saved 900 hours of auditors work.
    ● Regular presentation machine learning working group within technology audit team.
    ● Developed a web application to automate and support audit regulatory reporting (front end development using
    javascript, angular, Restful API requests and dash).
    ● Promoted from analyst to associate 8 months after joining the company.

  • Product Analyst (contractor), Esquared (UK, London)
    Jan 2018 - Jan 2019

    Developed ETL process using python and MS SQL Server,
    ● Created multiple reporting dashboards and visualisation using POWER BI.
    ● Build a fraud detection analytics algorithm using python. Decreased the creation of fake accounts by 23%.

  • Senior product analyst

    Mendeley - Elsevier (UK, London)
    Jan 2018 - Jan 2019

    Developed predictive machine learning models (logistic regression, random forest, ...) to analyse user behaviour
    and to prioritize new features to implement.
    ● Defined customer segments using clustering algorithms to optimize user journey.
    ● Run several A/B testing experiments (web pages, marketing campaigns). Resulted in an increase of 3% in
    monthly acquisitions.
    ● Performed in-depth analysis on general business performance utilizing Redshift (PostgreSQL), AWS, python,
    Adobe Analytics and Tableau.

  • Data analyst

    Slide (UK, Bristol)
    Jan 2017 - Jan 2018

    Built a PostgreSQL database & automated the reporting process with python & Qlik Sense.
    ● Defined KPIs and tracked service quality
    ● Analysed geospatial data (GIS) with Python and QGIS
    ● AB testing (Marketing campaigns).
    ● Applied different machine learning with python to:
    ○ Analyse and improve the customer retention (random forest, decision tree, logistic regression)
    resulting in a 10 % increase of bookings conversion rate.
    ○ Reshape the service design (K-means, DBscan) resulting in a 15 % increase of sales.

  • Consultant, Deloitte

    Tax Technology (Belgium, Brussels)
    Jan 2015 - Jan 2017

    Tax eAudit - Extraction of transactional data (AP, AR, GL accounts, vendor master data,..) in SAP using
    DART and in Oracle (writing PL/SQL queries). SAP FI/CO bootcamp.
    ● Master data completeness and quality check using IDEA and ACL & Reconciliation to official fillings.
    ● Tax software development and implementation - Extracting transactions and VAT tables from client
    systems (Oracle / SAP). Review of tax codes mapping within SAP. & VAT return automation.
    ● Data management: SharePoint design, data retention policy, data migration

Études et formations
  • Cambridge Spark Data Science part-time boot camp

    2018
  • Post graduate in big data & analytics

    University of Leuven (KUL)
    2016
  • Master in management (in Dutch

    University of Leuven (KUL)
    2014
  • Bachelor & Master of laws

    University of Louvain (UCL)
    2009
Autres compétences
Tools & skills

Presto, Hive, MySQL, PL/SQL, T-SQL, Tableau, Python (Pandas, Numpy, Matplotlib, Sklearn,…), Spotfire,
Selenium, BeautifulSoup, Regex, NLTK, Spacy, Machine Learning, Jupyter, AWS, Jira, Agile methodology,
A/B testing, Web analytics, Advanced Excel, Adobe Analytics, Redshift, Power BI, Qlick Sense, ...

Languages
French: mother tongue – English: fluent – Dutch: listening and reading working proficiency. Average
speaking skills.

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