Senior Data Engineer - Paris Onsite, Data Pipelines & Scale

Signify Technology; Paris; On-site; EUR 90,000 - 120,000; Full time

Benefits offered by this job

Equity for all employees

Healthcare coverage

Parental leave

Generous holidays

Paris office

Job summary

Signify Technology in Paris is seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and processing systems.

You will work across data reliability, quality, and performance improvements, and collaborate with engineering teams to deliver data capabilities and governance. The role emphasizes scalable, production-grade data solutions and modern storage formats.

Qualifications

• Several years of experience designing, developing, and supporting production-grade data pipelines.
• Proficiency in Python and SQL, with exposure to Scala or similar languages.
• Hands-on experience with Apache Spark (PySpark, Spark SQL) for large-scale processing.
• Experience with stream-processing technologies (e.g., Spark Streaming).
• Familiarity with Parquet and modern storage formats like Apache Iceberg.
• Strong understanding of batch vs streaming architectures and data quality practices.
• Proven ability to improve query performance and data processing efficiency.
• Knowledge of distributed data processing engines and data lakes.

Responsibilities

• Design, build, and maintain scalable data pipelines and processing systems.
• Improve reliability, quality, and performance of data across the organisation.
• Develop automated processes to monitor and validate data.
• Create reusable datasets and data solutions for internal teams.
• Optimise data processing workloads for performance, reliability, and cost.
• Collaborate with engineering teams to deliver and improve data capabilities.
• Contribute to the development of the company’s wider data engineering practices.

Skills

Python

SQL

Scala

PySpark

Spark SQL

Spark Streaming

Parquet

Iceberg

Data quality

Distributed systems

Tools

Apache Spark

Apache Iceberg

Spark Streaming

Job description

Signify Technology in Paris is seeking a Senior Data Engineer to design, build, and maintain scalable data pipelines and processing systems.

You will work across data reliability, quality, and performance improvements, and collaborate with engineering teams to deliver data capabilities and governance. The role emphasizes scalable, production-grade data solutions and modern storage formats.