Principal Software Engineer – Data Lakes

Fivetran

full-time

Posted on: 9/8/2025

Origin: • 🇩🇪 Germany

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Lead

AWSAzureGoogle Cloud PlatformGrafanaGRPCJavaKubernetesPostgres

About the role

Contribute to the technical architecture, design, and development of Fivetran’s Managed Data Lake product offering
Partner closely with product teams to understand requirements and design new capabilities that go directly into customers’ hands
Design, develop, implement, and operate highly reliable large-scale data lake systems with a dedicated engineering team
Contribute to open-source projects such as DuckDB and Polaris
Analyze fault-tolerance, high availability, performance, and scale challenges and implement solutions
Ensure operational excellence, meeting commitments on security, reliability, availability, and performance
Set technical directions and influence cross-functional teams

5+ years of hands-on or research experience with high-performance relational data management systems
Deep understanding of infrastructure & software optimizations and performance engineering
Proven track record of leading and delivering large and complicated projects
Strong development skills in Java and C++
Solid experience with public clouds (AWS, Azure, GCP)
Demonstrated knowledge of columnar storage formats
Growth mindset and excitement about seeking innovative solutions
Excellent team player with ability to make everyone around you better
Familiarity with Postgres, Temporal, gRPC
Experience with Kubernetes, Grafana
Knowledge of data lake/table formats: Iceberg, Polaris, Delta Lake, Parquet, DuckDB