Senior Data Developer: Python, SQL & Spark on Hadoop

Keoni; Paris; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Keoni is seeking a Data Developer with 5+ years of experience in Python, SQL, Shell and Spark to support CLoudera Hadoop-based data platforms. You will develop and maintain data ingestion, populate the Datalake, and provide user support in a high-demand production environment.

You will mentor juniors, review code, and ensure delivery deadlines while improving platform performance and usability. Knowledge of Power BI and SAS is a plus.

Qualifications

• 5+ years of experience with Python, SQL, Shell, and Spark on Cloudera Hadoop.
• Experience in data extraction, data lake feeding, and production support.
• Ability to document, mentor apprentices, and perform code reviews.

Responsibilities

• Evolve data to be integrated and feed the Datalake, adapting to needs.
• Develop SQL extractions and automated Shell scripts for data processing.
• Provide level 2 support and ensure delivery deadlines in a high-demand environment.
• Contribute to platform maintainability, performance, and usability.

Skills

Python

SQL

Shell scripting

Spark

Hadoop Cloudera

Hive

Impala

Git usage

JIRA

Agile methodologies

Communication

Tools

Power BI

SAS

Jupyter

VBA

Job description

Keoni is seeking a Data Developer with 5+ years of experience in Python, SQL, Shell and Spark to support CLoudera Hadoop-based data platforms. You will develop and maintain data ingestion, populate the Datalake, and provide user support in a high-demand production environment.

You will mentor juniors, review code, and ensure delivery deadlines while improving platform performance and usability. Knowledge of Power BI and SAS is a plus.