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Senior Data Engineer (m/f/d)
Berlin
Full-time
Permanent employee
80,000 - 110,000 € per year
Show us how you can complement the team.
We look forward to getting to know your motivation and mission!
Name
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Do you live in Berlin?
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Years of Experience
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What is your level of proficiency in German?
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Please share a link to your GitHub, portfolio or a data project you've built.
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How do you decide whether “Siemens AG”, “Siemens Energy AG” and “Siemens Mobility GmbH” belong in one record or three? Which signals do you use, and where has your approach failed before? (max 120 words)
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Describe a time you used an LLM to extract or classify records. How big was your labelled sample, what precision did you reach, and what happened to the records the model couldn’t classify cleanly? (max 120 words)
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A production pipeline you built and owned: sources, daily volume, orchestration, and how you found out when it broke or silently drifted.
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Funding and acquisition signals need correct event dates, not the date we scraped them. How would you design a pipeline that detects these changes and dates them correctly?
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A Postgres query behind our search went from 200 ms to 8 seconds after a data import of 2 million rows. Walk us through how you’d debug and fix it.
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Please provide us with your LinkedIn URL, your earliest starting date and your CV. Submitting other documents is optional.
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