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Principal Software Engineer - Data Lakes

Fivetran· Engineering Department
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Hybrid (Germany (Remote))full-timePosted 4mo ago

About the role

Principal Software Engineer to contribute to the technical architecture, design and development of Fivetran’s Managed Data Lake product offering. Remote position based out of Germany, working with senior engineering teams to build scalable, high-performance data lake systems and contribute to open-source projects.

Responsibilities

  • Partner closely with product teams to understand requirements and design cutting-edge new capabilities that go directly into customer’s hands.
  • Design, develop, implement, and operate highly reliable large-scale data lake systems in cooperation with a dedicated data lake engineering team.
  • Contribute to open-source projects such as DuckDB and Polaris.
  • Embrace Fivetran innovations with open-source standards and toolsets.
  • Analyze fault-tolerance and high availability issues, performance and scale challenges, and solve them.
  • Ensure operational excellence of the services and meet the commitments to our customers regarding security, reliability, availability, and performance.
  • Set technical directions and influence cross-functional teams.

Qualifications

  • 6+ years of hands-on or research experience with high-performance relational data management systems.
  • Deep understanding of infrastructure & software optimizations and performance engineering to drive significant performance, latency, and availability improvements.
  • 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 breaking the status quo by seeking innovative solutions.
  • Excellent team player who is consistent in making everyone around you better.

Skills

Required:JavaC++PostgreSQL / Relational databasesPublic cloudColumnar storage formats

Benefits

  • 100% employer-paid medical insurance
  • Generous paid time away from work, including paid vacation or flexible/unlimited vacation depending on role and country, plus paid sick time, inclusive parental leave, paid holidays, a year-end Global Week of Rest, and volunteer days off.
  • RSU stock grants
  • Professional development and training opportunities
  • Company virtual happy hours, free food, and fun team-building activities
  • Monthly cell phone stipend
  • Access to an innovative mental health support platform with personalized care and resources for employees and dependents.
Last updated Sep 23, 2026. Interested? Apply on the company site.
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About Fivetran

Moving data. Powering innovation.

Effortlessly centralize all the data you need so your team can deliver better insights, faster.

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