Romain Dessaint
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Romain Dessaint Email & Phone Number

Data Analytics Engineer at Lenstra
Location: Greater Paris Metropolitan Region, France 9 work roles 6 schools
1 work email found @caceis.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

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Current company
Role
Data Analytics Engineer
Location
Greater Paris Metropolitan Region, France
Company size

Who is Romain Dessaint? Overview

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Quick answer

Romain Dessaint is listed as Data Analytics Engineer at Lenstra, a with 2 employees, based in Greater Paris Metropolitan Region, France. AeroLeads shows a work email signal at caceis.com and a matched LinkedIn profile for Romain Dessaint.

Romain Dessaint previously worked as Data Analyst - Engineer at Servier and Data Scientist at Servier. Romain Dessaint holds Master Spécialisé Big Data - Analytics Avancées Pour La Décision, Data Science Et Data Engineering from Université De Technologie De Troyes.

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Email format at Lenstra

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{first}.{last}@caceis.com
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Profile bio

About Romain Dessaint

As an analytics engineer with a background in data science, I've been able to experience different data roles in different sectors such as banking, healthcare and luxury goods.

Current workplace

Romain Dessaint's current company

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Lenstra
Lenstra
Data Analytics Engineer
Website
Employees
2
AeroLeads page
9 roles

Romain Dessaint work experience

A career timeline built from the work history available for this profile.

Data Analytics Engineer

Current

Ville De Paris, Île-De-France, France

[Consulting mission via Lenstra] - Luxury Goods Sector✔ Development of data tools to support activities and processes within the house sales/retail domain.✔ Technical framing of business needs, including definition of data requirements and data modeling.✔ Close relationship with business data users in the sales domain and other areas. ✔ SQL development of dbt models, cost and performance optimization.✔ Management of model orchestration, run monitoring and handling of errors and failures.✔ Implementation of generic and unit tests, quality assurance of the data provided to the business.

Jan 2024 - Present

Data Analytics Engineer

Ville De Paris, Île-De-France, France

[Consulting mission via Lenstra] - Luxury Goods Sector✔ Technical framing of business needs, including definition of data requirements and data modeling.✔ SQL development of dbt models, cost and performance optimization.✔ Management of model orchestration, run monitoring and handling of errors and failures.✔ Implementation of generic and unit tests, quality assurance of the data provided to the business.✔ Evolution of data products for data governance teams.✔ Building of a data product to monitor the data platform analytics (permissions, logs, billing).✔ Building of a data product to monitor legacy decommissioning.✔ Migration of existing data products from legacy data sources to the data platform.

Nov 2023 - Jan 2024

Data Analyst - Engineer

Suresnes, Île-De-France, France

Building of a dashboard to calculate the CO2 emissions of Servier's worldwide transport operations.✔ Basic data collection, processing and ingestion.✔ Data modelization thought data maturity levels with DBT.✔ Python development of several tools (geocoding, distance calculation).✔ Putting Python applications into production with GCP Cloud Run.✔ Orchestrating the full data processing pipeline with GCP Workflows.✔ Terraform development.✔ PowerBi reporting.Various tasks:✔ Ingestion of source tables in GCP BigQuery.✔ SQL development of new data models/products for business activities.✔ PowerBi reporting, advanced visualizations, dynamic metrics.✔ Python development of Streamlit dashboards

Oct 2022 - Sep 2023

Data Scientist

Suresnes, Île-De-France, France

Building a proof of concept around demand prediction for servier products using machine learning.✔ Data mining✔ Sales and demand data mining✔ Production of descriptive statistics✔ Ingestion of source data into GCP BigQuery✔ Python development of a flexible ML exploration pipeline (preprocessing, feature engineering, training, evaluation, logging)✔ Data cleansing✔ Data preprocessing✔ Feature engineering✔ Training and optimization of several machine learning models. (Arima/SArima, VertexAI AutoML and BigQuery ML models, Random Forest, XGBoost, Darts models)✔ Evaluation of different competing models (MAE, MAPE, WAPE)✔ Logging experiments results into GCP VertexAI Experiments✔ Visualization of results and interpretability of models✔ StreamLit reporting

Sep 2021 - Sep 2022

Développeur Web/Test Manager

Issy-Les-Moulineaux, Île-De-France, France

CACEIS est une filiale de Crédit Agricole SA spécialisée dans la fourniture de services financiers aux investisseurs institutionnels.Apprenti au sein des équipes 3D (Digital, Data & Dissémination).- Développement Web Front : Angular- Développement Back : Java- Base de données : Oracle, SQL- Développement des tests automatisés

Sep 2020 - Aug 2021

Hôte De Caisse

Montesson

Contrat étudiant en tant qu'hôte de caisse et roller à Carrefour Montesson dans les Yvelines.

Apr 2017 - Jul 2020

Développeur Sql/C++

Osny

Thales Training & Simulation est une « business unit » de Thales qui fournit des systèmes de formation et d’entraînement, civils et militaires. Elle est située à à Osny dans le Val d'Oise.Membre de l'équipe Data, j'ai pu développer un nouveau système d'affichage des routes pour les simulateurs d'entraînement au pilotage destinés aux futurs pilotes d'hélicoptères et de chars de l'armée française.- Base de données géographique - PostGIS, PostGRES - Développement SQL- Développement C++

Apr 2019 - Jul 2019

Assistant Étudiant Chercheur

Laboratoire Etis

Ensea/Université De Cergy-Pontoise

ETIS, laboratoire des Equipes Traitement de l'Information et Systèmes, est une équipe de recherche commune à l'ENSEA et à l'Université de Cergy-Pontoise, reconnue par le CNRS.- Découverte des fondements et des théorèmes de la théorie des jeux.- Développement d'une application Java permettant la visualisation dynamique de différents phénomènes mathématiques et probabilistes de la persuasion bayésienne.- Théorie du jeu et de l'information - Probabilités bayésiennes - Bayesian persuasion

May 2017 - Jun 2017
Team & coworkers

Colleagues at Lenstra

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6 education records

Romain Dessaint education

Master 1 (M1), Information Technology

Exchange semester abroad at the Faculty of Information Technology of Jyväskylä.

Master Informatique Et Ingénierie Des Systèmes Complexes (Iisc), Computer Engineering

Spécialité Systèmes Intelligents Distribués (SID)

Baccalauréat Scientifique, Mention Bien

Lycée Evariste Galois
FAQ

Frequently asked questions about Romain Dessaint

Quick answers generated from the profile data available on this page.

What company does Romain Dessaint work for?

Romain Dessaint works for Lenstra.

What is Romain Dessaint's role at Lenstra?

Romain Dessaint is listed as Data Analytics Engineer at Lenstra.

What is Romain Dessaint's email address?

AeroLeads has found 1 work email signal at @caceis.com for Romain Dessaint at Lenstra.

Where is Romain Dessaint based?

Romain Dessaint is based in Greater Paris Metropolitan Region, France while working with Lenstra.

What companies has Romain Dessaint worked for?

Romain Dessaint has worked for Lenstra, Servier, Egs Portage Salarial, Caceis, and Carrefour.

Who are Romain Dessaint's colleagues at Lenstra?

Romain Dessaint's colleagues at Lenstra include Frédéric Thomas, Aicha Kone, Kenzo-Hugo Hillion, Wadii A., and Juan David Fernandez.

How can I contact Romain Dessaint?

You can use AeroLeads to view verified contact signals for Romain Dessaint at Lenstra, including work email, phone, and LinkedIn data when available.

What schools did Romain Dessaint attend?

Romain Dessaint holds Master Spécialisé Big Data - Analytics Avancées Pour La Décision, Data Science Et Data Engineering from Université De Technologie De Troyes.

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