Jean-Bruno - Data Analyst PYTHON
Ref : 200815V001-
NW16RA LONDON (Royaume-Uni)
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Data Analyst, Data Scientist (33 ans)
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Totalement mobile
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Mandataire social de sa structure Freelance (SARL, SAS, EURL, etc)
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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 2020Leveraged 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 2019Developed 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 2018Built 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 2017Tax 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
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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
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.