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Nicolas Rey

Data Analysis & Machine Learning

Works remotely from Paris

  • 48.858705
  • 2.342865
  • Suggested rate €500 / day
  • Experience 2-7 years
Propose a project The project will begin once you accept Nicolas's quote.

This freelancer has confirmed full-time availability in the past 7 days.

Propose a project The project will begin once you accept Nicolas's quote.

Location and workplace preferences

Paris, France
Remote only
Primarily works remotely


Project length
  • ≤ 1 week
  • ≤ 1 month
  • Between 1-3 months


Freelancer code of conduct signed
Read the Malt code of conduct

Verified email


  • French

    Native or bilingual


Skills (9)

Nicolas in a few words

Data scientist depuis plus de 5 ans, mes competences ne sont ainsi pas uniquement liées a la data science. En effet, au cours de mon parcours professionel, j'ai pu travailler sur les sujets suivants:

- Modèles prédictifs (Econometrie, Machine Learning et Deep Learning)
- Parsing automatique de document
- Natural Language Processing
- Reconnaissance d'image
- Blockchain analysis with Web3
- Developpement de dashboard pour une visualisation simplifiee de donnees (Dash + Plotly)
- Developpement d'App en Python

Technologies et frameworks principalement utilisés :
- Blockchain Analysis : Web3
- Data science et machine learning : Python / Pytorch / Tensorflow / Scikit-learn / Numpy / Scipy / Pandas / Plotly
- Outils et frameworks web : Flask
- Scrapping : Python, Requests, Selenium, BeautifulSoup

J'ai également une équipe de 2 data scientists à mes côtés pour vous aider au mieux sur les sujets de grande envergure.



Data Scientist

December 2021 - February 2022 (2 months)

Engineered and backtested investment strategies Built trading bots on CEXs Retrieved historical data from CEXs and DEXs


Data Scientist

Paris, France

March 2018 - October 2021 (3 years and 7 months)

Quantitative Management Associates (QMA)

Machine Learning Summer Intern

Newark, NJ, USA

July 2017 - September 2017 (2 months)

• Programmed Recurrent Neural Network using LSTM cells with Tensorflow in Python
• Created chaotic time series to compare the RNN model accuracy with an ARIMA model one
• Applied the RNN, ARIMA and naive models to financial data and analyzed the best performing one based on several criteria

Mandarine Gestion


Île-de-France, France

July 2016 - September 2016 (2 months)

• Analyzed the performance of the 2.5 billion Euros fund
• Developed tools to monitor competitors' portfolios performances with Morningstar
• Drafted market analyses and portfolio managers' strategies for investors

Amilton Asset Management

Portfolio Manager Assistant

Île-de-France, France

September 2015 - December 2015 (3 months)

• Managed funds with 100 million Euros of assets
• Updated tools to monitor portfolios' performances
• Developed a Markowitz portfolio in VBA


Dealer Assistant

Paris, France

January 2014 - June 2014 (5 months)

• Traded an average of 7 billion Euros daily in the money market
• Wrote daily morning reports to portfolio managers
• Calculated discounted cash flows

Natixis - BPCE

Billing Junior Assistant

Île-de-France, France

July 2013 - December 2013 (5 months)

• Settle invoices of counterparties' portfolios
• Execute payments related to these invoices
• Liaise with traders and counterparties

French Prime minister Office

Finance & Accounting junior assistant

Paris, France

July 2012 - December 2012 (5 months)

• Analyzed operational cost accounts and balance sheets
• Monitored the cost control and assessed the 2013's budget