About Lennard
German
Native or bilingual
English
Fluent
Experience
- Ein MedienunternehmenData Architect, Data Engineer, DevOps EngineerPRESS AND MEDIASeptember 2021 - Today (4 years and 11 months)Berlin, GermanyFor a media company, I set up Snowplow for event tracking. The data infrastructure runs on AWS and uses EC2, Kinesis, and S3, among others. The data is permanently stored in a data lake in Palantir Foundry, which is also used for data modeling and reporting.In addition to designing and implementing the tracking infrastructure, including load tests, I also created the datasets required for reporting and, together with the Product Owner, defined a roadmap for future development towards near-realtime streaming. We are currently in the process of implementing it.
- Ein Medien-UnternehmenData CoachPRESS AND MEDIAJanuary 2020 - May 2020 (5 months)Berlin, GermanyAt a media company in Berlin, I coached the Business Intelligence team and, together with them, implemented measures that allow all colleagues to access and utilize data in their respective areas.
- Ein Software-UnternehmenSenior Data EngineerSOCIAL NETWORKSNovember 2019 - May 2020 (7 months)Hamburg, GermanyFor a software company in Hamburg, I implemented a data warehouse in Snowflake that integrates data from Software as a Service tools and APIs. The raw data is modeled and aggregated using dbt and provided as company-wide KPIs in dashboards in Metabase and AWS QuickSight. The project includes a continuous integration pipeline that tests data quality and fails builds upon unexpected KPI deviations.
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Education
- Diplom-WirtschaftsinformatikerTechnische Universität Braunschweig2014
Certifications
- AWS Certified Data Analytics – SpecialtyBerlin2020