Comet

Contractor job Data Engineer Senior H/F

Ile-de-France

Comet

Job position

Contractor
15/02/2026
60 days
510-620 €
5 to 10 years experience
Hybrid
Ile-de-France, France
Published on 05/02/2026

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Vous rejoindrez un projet stratégique de plateforme unifiée d’intégration et de traitement des données, centralisant plus de 20 sources de données hétérogènes pour répondre aux besoins analytiques des équipes produit et décisionnel. La solution est développée selon les principes d’un lakehouse avec architecture en médaillon (Bronze, Silver, Gold).

Environnement technique :

  • Azure Data Factory

  • Azure Databricks

  • Spark Scala & SQL

  • Azure DevOps (Git)

  • Datadog (monitoring)

Missions principales :
  • Concevoir et développer des pipelines d’ingestion de données via Azure Data Factory

  • Développer et optimiser des flux de transformation de données en Scala sur Databricks

  • Maintenir et créer de nouveaux indicateurs de qualité de données

  • Garantir la qualité du code et le respect des normes de développement

  • Implémenter des tests unitaires et assurer la fiabilité des solutions

  • Maintenir les dashboards de monitoring sur Datadog

  • Participer au refactoring du code existant pour améliorer performance et maintenabilité (Spark Declarative Pipeline et DBT)

Candidate profile

  • Expérience : Senior Data Engineer (+8 ans)

  • Compétences techniques obligatoires :

    • Databricks – Expert

    • Spark Scala – Expert

    • Azure Data Factory – Confirmé

    • Spark SQL – Confirmé

  • Compétences complémentaires :

    • Azure Data Lake, Azure DevOps, Git

    • Modélisation de données décisionnelles (atout)

    • Bonnes pratiques DevOps

  • Savoir-être : Rigoureux, force de proposition, communicant, capable de travailler en équipe

Paris, France
20 - 99 employees
Start-up
Comet, the agile talent ecosystem. We match our pool of over 50000 motivated and available, qualified and active tech freelancers, with company missions. Our goal is to satisfy both sides: relevant and prompt skills for companies, security and inspiring projects for freelancers. Comet’s freelance talent community comes highly motivated, because they choose the projects on which they work. We screen and evaluate the best tech and data talents to build an elite community. Powered by AI in order to intelligently detect, qualify and match a contingent workforce with corporate projects, to enhance and simplify user experience. With clients such as L’Oréal, Les Mousquetaires, Allianz, Pernod Ricard, Total -a client base that makes up 35% of the CAC40, we're the agile workforce for the digital age. To confront today's digitally-disrupted global marketplace and cater to the hyper-connected consumer of tomorrow, true agility is required. Technology alone is not enough, it is through the human that real transformation can be sustained. The technology is available and the consumer is ready. Comet provides the missing part: the people. We are 50+ in the team today, and are looking for amazing talents to join us! Our headquarters is in the hearts of Paris, Lyon, Lille and Nantes.

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Data Engineer Senior H/F

Comet

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