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NEXTON

Builds digital projects for large French firms

Data Engineer

Data EngineeringConfirmed live in the last 24 hours
Full-timeÎle-de-France, FranceNo salary listedIn-person

About the Job

Requirements

  • At least 3 years of experience in a similar data engineering position.
  • Strong command of Python and its data ecosystem for large-scale processing.
  • Practical, confirmed experience with Polars and/or Dask, with the ability to assess their performance.
  • Strong command of tabular data and standard formats including Parquet, CSV, and JSON.
  • Experience with productionized environments, including containers such as Docker, orchestrators, Git, and CI/CD practices.
  • Rigor, technical curiosity, collaboration, and knowledge-sharing skills.

Responsibilities

  • Design, develop, and maintain robust, high-performance data pipelines in Python.
  • Process large data volumes using Polars and Dask, selecting the most appropriate solution for each use case.
  • Implement advanced data transformation rules, including aggregation, generalization, and removal or modification of fields.
  • Help identify directly or indirectly identifying data in collaboration with security and compliance experts.
  • Develop and industrialize automated checks to ensure data-flow quality, consistency, completeness, and regression prevention.
  • Measure processing performance and optimize compute and storage resource consumption.
  • Ensure full traceability of processing, code versions, and generated datasets.
  • Document transformation logic, check results, and technical limitations rigorously.
  • Participate in code reviews, automated testing strategy, and continuous integration and delivery practices.
  • Collaborate daily with business, data, data protection officer, cybersecurity, and compliance teams.

Desired Qualifications

  • Sensitivity to or prior experience with GDPR, data anonymization or pseudonymization, access minimization, and regulatory compliance.

About the Company

NEXTON

Builds digital projects for large French firms

NEXTON plans and builds digital projects for large French companies and online businesses, combining digital strategy with software development and marketing. Its teams cover product management, user-experience design, agile delivery and data work, and build websites, mobile applications and customer communications. Clients pay for specialist consultants assigned to their teams or for projects delivered by NEXTON's own agency. The agency combines designers, developers and marketing specialists to handle projects from planning and interface design through development and delivery. Founded in Paris in 2011, NEXTON is headquartered there at 5-7 rue Saint-Fiacre and operates across France.

Company size
Not listed
Company stage
Not listed
Total funding
Not listed
Headquarters
Paris, France
Founded
2011

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