Fivetran

Principal Software Engineer - Data Lakes

Germany

Principal

REMOTE

Fivetran is hiring a Principal Software Engineer to help design and build their Managed Data Lake product from a remote location in Germany. You will work on large-scale, high-performance data lake systems using Java and C++, contribute to open-source projects like DuckDB and Polaris, and collaborate with product and engineering teams to shape technical direction. This role is ideal for engineers with deep experience in relational data management systems, columnar storage formats, and public cloud infrastructure.

Java

C++

High-performance relational data management systems

Columnar storage formats

AWS

Azure

GCP

Performance engineering

Fault-tolerance and high availability design

Large-scale distributed systems

Open-source contribution

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