Freelancer profile translated to English.
Back to original languageAbout Tristan
With a solid background in HR and the public sector, I will assist you in all your data analysis missions, with the aim of transforming your data into strategic decision-making tools. My approach is based on a thorough mastery of data manipulation, analysis, and visualization tools, tailored to your specific needs.
What I Offer:
Data Collection, Extraction, and Transformation: I structure and clean your data to ensure its reliability and usability.
Analysis and Insight Discovery: I highlight hidden trends and identify strategic opportunities through in-depth data exploration.
Dashboard Creation and Automation: I design interactive and automated dashboards, enabling real-time monitoring and informed decision-making.
My Key Technical Skills:
Data Manipulation in Python: Thanks to my mastery of leading libraries like Pandas, NumPy, and scikit-learn, I can efficiently manipulate, clean, and transform data, ensuring reliable and actionable results.
SQL:I design and optimize complex SQL queries, ensuring that necessary data is quickly accessible, even in large and heterogeneous databases (in-depth knowledge of BigQuery).
Data Visualization Tools:
- Tableau Software: Creation of impactful and interactive visualizations to bring your data to life.
- Power BI: Development of robust and dynamic dashboards, perfect for monitoring strategic indicators.
- Looker Studio: Utilization of this tool for interactive reports and collaborative insight sharing.
Feel free to contact me to discuss your projects and discover how I can contribute to their success.
Sincerely,
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 50km)
Experience
- FlexiaAMOA Project ManagerFebruary 2021 - July 2024 (3 years and 6 months)Paris, FranceFor Orange, as part of the construction of the group's new HR decision-making IT system:
- Identification of data to be migrated into the program in collaboration with HR Data Owners.
- Assistance with data documentation (Data Steward).
- Assistance with building data products.
For DGFIP (Directorate General of Public Finance), as part of the overhaul of the state's movable asset management tool:- Support in writing functional and technical specifications.
- Writing of use cases/management rules for the application.
- Acceptance testing of the developed application.
- Support for the deployment of updates & change management assistance.
- MI-GSO | PCUBEDProject Engineer / PlanningJuly 2019 - May 2020 (10 months)Renault, Cléon, FranceConsultant on assignment at RenaultPlanning management for a diesel engine assembly project (300,000 engines/year; 30 employees; Budget = €2M/year):
- Budget and deadline management using MS Project and Planisware.
- Identification of risks/malfunctions on the line.
- Management of co-activities and identification of technical risks.
- Centre Hospitalier Intercomunal du Pays des Hautes FalaisesIT ManagerFebruary 2019 - July 2019 (5 months)Fécamp, FranceIT Manager for a hospital center and management of a team of 5 people.
- Steering of the establishment's business projects.
- IT equipment management.
- Team organization and management (5 people).
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Education
- Data Analyst Diploma - Professional Title Level 6 registered with the RNCP, Big DataLe Wagon2024Diplôme Data Analyst - Titre professionnel de niveau 6 inscrit au RNCP, Big Data
- Engineering Degree, Master's LevelEcole Nationale Supérieure en Génie des Systèmes et de l'Innovation (ENSGSI)2016Diplôme d'ingénieur, Bac+5