Freelancer profile translated to English.
Back to original languageAbout Jonathan
Looking for a Data Engineer?
You are in the right place.
I am a Data Engineer with over 8 years of experience.
I specialize in data processing with 𝐏𝐲𝐭𝐡𝐨𝐧 , 𝐒𝐐𝐋 and 𝐒𝐩𝐚𝐫𝐤.
I have expertise in the cloud with 𝐌𝐢𝐜𝐫𝐨𝐬𝐨𝐟𝐭 𝐀𝐳𝐮𝐫𝐞 and 𝐆𝐨𝐨𝐠𝐥𝐞 𝐂𝐥𝐨𝐮𝐝 𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 (𝐆𝐂𝐏).
I have collaborated with companies such as:
- 𝐋𝐚 𝐑𝐞𝐝𝐨𝐮𝐭𝐞 (clothing and ready-to-wear distribution),
- 𝐊𝐢𝐚𝐛𝐢 (clothing and ready-to-wear distribution)
- The 𝐂𝐢𝐫𝐪𝐮𝐞 𝐝𝐮 𝐒𝐨𝐥𝐞𝐢𝐥 (shows and entertainment).
I can assist you with:
- Defining and assessing needs
- Designing, modeling, and migrating your data/cloud platform
- Implementing and industrializing data processing pipelines (ETL)
- Automating Data Ops: Python, git, CI/CD
- Data collection and exploration
- Developing large-scale distributed data processing applications using Spark Python
- Contributing to CI/CD improvement.
I also have knowledge of: Apache Airflow, Databricks, Azure Data Factory, Docker..
Do you have a project?
𝐂𝐎𝐍𝐓𝐀𝐂𝐓 𝐌𝐄 !
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km), Lille (up to 50km), Strasbourg (up to 50km), Lyon (up to 50km), Bordeaux (up to 50km)
Experience
- Plus que proPrincipal Data EngineerDecember 2024 - Today (1 year and 6 months)Obernai, FranceResponsible for the architecture, development, and maintenance of the company's complete data infrastructure.Autonomous lead for all data engineering initiatives, from design to production, ensuring the interface between business needs and technical solutions. Guiding the Data strategy in line with the business vision.• Design and implementation of the company's complete data warehouse architecture, starting from a minimal base.• Development of a custom Data API allowing business applications to effectively leverage produced data.• Creation of a strategic proprietary database for customer prospecting, directly contributing to business development.• Implementation of technical standards, best practices, and data quality assurance procedures.• Semi-autonomous management of the data project portfolio, defining priorities and tracking deliverables with stakeholders.• Continuous optimization of Azure cloud infrastructure costs related to data.• Leading recruitment to build and develop the data team.Technical Skills:• Data Architecture: data warehouse design and implementation, dimensional modeling• API Development: creating programmatic interfaces for data access• ETL/ELT: design and development of data pipelines• Cloud: Microsoft Azure, Azure Databricks• Databases: SQL, optimized schema design• Development: Python, SQL (add other languages if relevant)• Data Integration: synchronization between application systems and data warehouse• Project Management: priority setting, estimation, reporting
- LECASUDData EngineerLOGISTICS AND SUPPLY CHAINJune 2024 - September 2024 (3 months)Le Luc, FranceLa Lecasud is a purchasing and supply center for E. Leclerc.The center serves over 100 points of sale across 11 departments in the South-East of France and Corsica.Context:ALICE is a large-scale project for the LECLERC movement aiming to modernize all commercial management software.GAEL is a project to modernize and evolve the LECLERC movement's logistics management system.Team:5 people- A Data Manager- 4 Data EngineersMy Responsibilities:● Analysis and understanding of business needs (accounting, logistics, commercial...)● SQL query development● Python data processing development● Dashboard development on BiBoard● Validation with client teams● Production deployment● DocumentationTechnical Environment:SQL (PostgreSQL, Progress) - Python - Git - BiBoard (DataViz / ETL Tools)
- Le Groupe Cirque du SoleilData EngineerENTERTAINMENT AND LEISURESeptember 2022 - May 2023 (8 months)Montreal, QC, CanadaThe Cirque du Soleil group is a pillar of artistic entertainment worldwide with over 20 international shows and more than 5000 employees.Context:After the Covid19 pandemic, Cirque du Soleil launched two projects:- Data exploitation and the resulting business value- System modernization.Team:8 people- One Manager- 3 Data Engineers- 3 Data Analysts- 1 Data ArchitectAchievements:● Performance improvements on GCP, resulting in a 15% reduction in processing costs● ETL development on Google Cloud● Migration of SSIS processes to Azure Data Factory● Data processing development with Databricks● Deployment and production with Azure DevOpsTechnical Environment:Python, SQL, SSIS, Azure Data Factory, Azure Databricks,Azure Devops, Google Cloud (BigQuery, Cloud Storage, Dataflow)
Reviews
Recommendations
AV
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Degree in Computer Science and Industrial Engineering, Computer ScienceCentrale Lille2020Diplôme d'Ingénieur Informatique et Industriel, Informatique
Certifications
- Google Cloud Professional Data EngineerGoogle2020
- Astronomer Apache Airflow FundamentalsAstronomer2021