Freelancer profile translated to English.
Back to original languageAbout Maxence
I design, develop, and industrialize data platforms on Google Cloud Platform, with a strong emphasis on reliability, performance, and cost control.
🧩 Areas of Intervention
- Design and implementation of data platforms on GCP (BigQuery, Dataflow, GCS)
- Building batch and streaming data pipelines
- Data orchestration and transformation (Airflow, dbt, Dataform)
- Infrastructure as Code with Terraform (reproducible and scalable environments)
- Implementation of CI/CD for data workflows
- Monitoring, alerting, and observability of pipelines
- Cost and performance optimization of data architectures
🤖 Automation & AI
- Data classification and structuring within pipelines
- Automated enrichment and processing of datasets
- Integration of AI / LLM APIs for data extraction or transformation
- Automation of high-volume data tasks
⚙️ Technical Stack
GCP (BigQuery, Dataflow, GCS, IAM, Pub/Sub, Datastream)
Airflow, dbt, Dataform
Terraform, CI/CD (GitHub Actions, GitLab CI)
Python, SQL, Bash
Git (GitHub / GitLab)
BI: Looker, Power BI
🎯 Approach
I address production-oriented data challenges:
- Reducing pipeline complexity
- Improving data system reliability
- Optimizing cloud costs
- Enhancing maintainability and scalability
My experience in demanding environments (retail, media) has allowed me to develop strong autonomy and the ability to deliver robust production solutions.
French
Native or bilingual
English
Fluent
Can work on-site
Lille (up to 50km), Paris (up to 10km)
Experience
- Groupe Le Monde - Direction TechniqueData EngineerPRESS AND MEDIAMay 2024 - Today (2 years and 1 month)Paris, FranceWithin the Le Monde Group, I work as a freelance Data Engineer on the entire data infrastructure for 6 publications: Le Monde, L'Obs, Télérama, Courrier International, Huffpost, and Le Temps.🔧 Participating in the migration and design of the new event collection system🗄️ Creating the user database and architecture🤖 Developing article recommendation algorithms📈 Creating the new version of the Evergreen classification algorithm🏷️ Classifying articles using LLM based on user needs and emotion criteria☁️ Optimizing BigQuery query costs and performance🔁 Designing and maintaining batch and streaming pipelines (Dataflow, Pub/Sub)🏗️ Migrating the entire data infrastructure to Infrastructure as Code (Terraform) - from 0 to 100%⚙️ Integrating CI/CD for data workflows (GitHub Actions / GitLab CI)
- Auchan RetailConsultant Data EngineerCONSULTING AND AUDITSSeptember 2023 - Today (2 years and 9 months)Villeneuve-d'Ascq, FranceAs an intervener in a hybrid BUILD/RUN role, I made significant contributions at Auchan Retail International. This included maintaining, modifying, and creating DAGs on Airflow, as well as managing BigQuery tables. My role was not limited to technical aspects; I also played an active part in the team's decisions. Furthermore, I was responsible for communications with the Auchan Ukraine team.Key Contributions:- Maintenance, modification, and creation of DAGs on Airflow- Management of BigQuery tables to optimize data flows- Active participation in the team's strategic decisions- Responsibility for communications with the Auchan Ukraine team
- Capgemini Technology Services - FranceData EngineerCONSULTING AND AUDITSMarch 2022 - July 2023 (1 year and 5 months)Lille, FranceAs an assistant to the project manager at SNCF, I acted as a Data Analyst, identifying malfunctions and opportunities for optimization in ticket management. For the Ministry of Agriculture, I contributed to maintaining the data infrastructure and created a portal, simplifying access to crucial data.Key Contributions:- In-depth investigation as a Data Analyst at SNCF, highlighting optimization opportunities.- Efficient maintenance of the data infrastructure for the Ministry of Agriculture.- Design of a portal facilitating the ministry's access to essential data.
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Education
- Software Architect and Application Developer specializing in AI & Big Data (Master)Epitech2023Après avoir terminé ma licence, j'ai décidé de me spécialiser dans la Big Data et l'Intelligence Artificielle pour parfaire mes connaissances dans le domaine et permettre une synergie avec les enjeux du web.
- Application Designer (Bachelor's Degree)Epitech Lille2021Après avoir fait deux années dans le cursus classique Epitech, j'ai rejoint le cursus MSC et ait obtenu mon diplôme avec un GPA de 3.45.
Certifications
- C++ Development Tutorial Series - The Complete Coding GuideUdemy2022