Lead Python Data Engineer – Freelance | Full Remote

Responsibilities

• Design, develop, and maintain robust Data pipelines in Python.
• Manipulate and transform data volumes with Pandas and NumPy.
• Develop clean, modular, reusable, and testable Python code.
• Ensure the performance, quality, and reliability of processes.
• Define technical choices and contribute to architecture decisions.
• Perform code reviews and support the team's Data Engineers.
• Optimize existing pipelines and automate processes.

Project details

France & Europe

100% Remote

Start Date: ASAP

Long-term assignment – until November 2027

Project Context

We are looking for a Lead Python Data Engineer to work on a major Data & Analytics project.

The need is primarily for an expert in Python applied to Data Engineering, capable of developing complex pipelines and providing real technical leadership.

This is a very hands-on role, with a strong involvement in development.

Mandatory Technical Skills

Complementary Skills Appreciated

• Advanced / Expert Python
• Pandas & NumPy
• Advanced DataFrame Manipulation
• Data Pipeline Design and Development
• SQL
• Data Ingestion & Data Transformation
• Data Quality & Data Validation
• Performance Optimization and Scalability
• Unit Testing and Integration Testing
• Clean Code and Software Engineering Best Practices
• Git & CI/CD
• Databricks
• Microsoft Azure
• PySpark / Apache Spark
• Azure Data Factory
• Azure Data Lake
• Delta Lake
• dbt
• Azure DevOps
• Start: flexible
• Remote: remote
• Location: FR
• Languages: French