Senior Data Engineer

Job title: Senior Data Engineer

Job type: Permanent

Salary: Competitive, based on experience

Role Location: Onsite in Paris, France

The Company An innovative technology company operating in a fast-paced, data-driven environment. The business is focused on building scalable technology and reliable data infrastructure to support a growing range of products and services.

Role And Responsibilities

• Design, build, and maintain scalable data pipelines and processing systems.
• Improve the 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.
• Work closely with engineering teams to deliver and improve data capabilities.
• Contribute to the development of the company's wider data engineering practices.

Job Requirements

• Several years of experience designing, developing, and supporting production-grade data pipelines.
• Strong hands-on ability with Python and SQL, with additional experience in Scala or a comparable programming language.
• Practical experience using Apache Spark, including PySpark and Spark SQL, for large-scale data processing.
• Experience working with stream-processing technologies, including Spark Streaming or equivalent systems.
• Familiarity with Parquet and modern table/storage technologies such as Apache Iceberg.
• Solid understanding of the differences and trade-offs between batch and streaming architectures.
• Demonstrable experience improving query performance and data-processing efficiency.
• Understanding of distributed data processing engines and their underlying architecture/internals.
• Experience working with data lakes, large-scale storage platforms, table formats, and derived/curated datasets.
• Strong understanding of data quality, reliability, monitoring, and operational best practices.

Nice to have:

• Exposure to Apache Flink or another comparable stream-processing framework.
• Experience supporting machine-learning data workflows, including training or inference pipelines.
• Familiarity with areas such as recommendation systems, ranking, embeddings, or entity matching/resolution.
• Experience working with privacy-sensitive datasets or systems involving data retention, deletion, export, or regulatory requirements.

Benefits

• Competitive salary package + equity for all employees, regardless of level.
• Comprehensive healthcare coverage.
• Enhanced parental leave provisions.
• Generous annual holiday allowance.
• Company-wide shutdown periods during the year.
• Modern Paris office with a collaborative working environment.

Accessibility Statement We make an active choice to be inclusive towards everyone every day. Please let us know if you require any accessibility adjustments through the application or interview process.

Our Commitment To Diversity, Equity, And Inclusion We are committed to creating an inclusive workplace where everyone has an equitable opportunity to build a successful career, regardless of their background or circumstances. We believe diverse perspectives strengthen our teams and contribute to a better future for everyone.

Check out our DE&I page here