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Data engineer • berlin

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Senior Data Platform Engineer

CirconomitBerlin, BE, DE
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Hi, I'm Erik, CTO at Circonomit.We build the decision platform industrial companies use to plan their production.Three problems on my table right now:.Users need to explore millions of records with... Mehr anzeigen

Senior Data Engineer

WhyBrilliant GmbHGermany, Berlin, DE

Also searchable as: Senior Analytics Engineer · Senior Data Platform Engineer · Senior Cloud Data Engineer · Senior Data Warehouse Engineer.Original title: Senior Data Engineer.WhyBrilliant is sour... Mehr anzeigen

Data Engineer (f/m/d)

Climate AnalyticsBerlin, Berlin, DE

The team is engaged in various projects on climate change mitigation, in particular on energy system transformation, the 1.C global warming limit and the evaluation of national climate action.This ... Mehr anzeigen

Data Engineer (m/f/d)

AvomindBerlin, BE, DE
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You design, build, and optimize scalable data pipelines and architectures that form the foundation for analytics and AI solutions.You ensure that data from various sources is efficiently integ... Mehr anzeigen

Data Engineer (m/w/d)

ambelin GmbHBerlin, Berlin, DE

DIESE AUFGABEN WARTEN AUF DICH.Du möchtest nicht einfach mit bestehenden Datenstrukturen arbeiten, sondern eine moderne Datenplattform von Grund auf mitgestalten? Du hast Lust, deine technische Exp... Mehr anzeigen

Data Engineer (m/w/d)

ANGEHEUERT GmbH PersonalberatungBerlin, Germany
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Du möchtest nicht nur Daten verarbeiten, sondern eine moderne Datenplattform entwickeln, die Analysen, Reporting und datengetriebene Entscheidungen im gesamten Unternehmen ermöglicht?.Dann könnte d... Mehr anzeigen

Data Analyst Marketing (m/w/d)

Lidl Stiftung & Co KGBerlin, DE

Ganzheitliche Betreuung der Datenpipeline für das Online Performance Marketing.Aktive Weiterentwicklung der Cloud-Datenarchitektur.Beratung der Stakeholder bei der Planung, Durchführung und Auswert... Mehr anzeigen

 • Gesponsert

Data Engineer

All Your BIBerlin, BE, DE

Maybe you call yourself a Data Engineer or a Data Specialist or a BI Developer or a Data Architect or an Azure Developer, or maybe you just call yourself Alex? This vacancy is part of our Delivery ... Mehr anzeigen

Senior Data Engineer

Hack The BoxBerlin, BE, DE
Homeoffice
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Welcome! Super excited you dropped by 🥳.Let's redefine cyber security expertise standards and connect business - community through highly engaging hacking experiences.Find out more insights about ... Mehr anzeigen

Data Engineer (m/w/d)

Controlware GmbHBerlin, DE

EUR Umsatz und 1000 Mitarbeitern sind wir nicht nur einer der führenden unabhängigen IT-Dienstleister und Managed Service Provider in der DACH Region.Wir sind auch innovativ, fair und nachhaltig.Wi... Mehr anzeigen

Data Engineer (m/w/d)

Basalt-Actien-GesellschaftBerlin, DE

Du willst mit uns an den Baustoffen der Zukunft arbeiten? Dann komm ins Team der Basalt AG! Wir schaffenMobilität, um Menschen zu verbinden – und das jeden Tag.Mit insgesamt 350 Standorten in Deuts... Mehr anzeigen

Data Engineer / DevOps Engineer (all genders)

Quanto Solutions GmbHBerlin, de

Sehr gutes Gehalt und ein attraktives Bonusmodell.Flexible Arbeitszeiten, Homeoffice-Option, 31 Tage Urlaub.Mobilitätsangebot (Bahn, Bike, Auto).Moderne IT-Ausstattung, Laptop/Handy auch zur privat... Mehr anzeigen

 • Gesponsert

Data Center Facility Engineer

Huawei EuropeBerlin, Berlin, Germany

Huawei is a leading global provider of information and communications technology (ICT) infrastructure and smart devices.With integrated solutions across four key domains – telecom networks, IT, sma... Mehr anzeigen

Process Engineer (Data, Safety & Controls)

Level NineBerlin, Germany
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Europe’s chemical industry faces an existential crisis resulting from a deep dependence on volatile fossil feedstocks, regulatory pressures, and cut-throat competition from China and the Middle Eas... Mehr anzeigen

Senior Data Engineer

GLS/NXTBerlin, Germany
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GLS/NXT to ensure the reliability and integrity of our growing data infrastructure and analytics platform.In this role, you will work at the intersection of data engineering, product, and operation... Mehr anzeigen

Data Engineer (m/f/d)

Sandbox InteractiveBerlin, Germany

Sandbox Interactive is the ambitious game development studio behind the award-winning game Albion Online.The game is the first true cross-platform MMO, and is playable on Windows, Mac, Linux, iOS a... Mehr anzeigen

Data Science Manager

LieferandoPrenzlauer Berg, Berlin, Germany

We’re a leading global online delivery platform, and our vision is to empower everyday convenience.Whether it’s a Friday-night feast, a post-gym poke bowl, or grabbing some groceries, our tech plat... Mehr anzeigen

 • Gesponsert

Data Engineer

1GLOBALBerlin, BE, DE
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GLOBAL is a technology-driven global mobile communications provider helping enterprises and consumer brands deliver seamless connectivity worldwide.Powered by a best-in-class telecom platform, prop... Mehr anzeigen

Data Scientist / Data Engineer (m/w/d) Rating

S Rating und Risikosysteme GmbHBerlin

Die Sparkassen Rating und Risikosysteme (SR) ist der zentrale Dienstleister für Verfahren des Risiko­manage­ments in der Sparkassen-Finanzgruppe.Wir unterstützen die Institute mit... Mehr anzeigen

Data Engineer (m/f/d)

MOTOR AiBerlin, Germany
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Driving the transition to autonomous mobility: Our mission is to spearhead the deployment of Level 4 autonomous systems in Germany and beyond.By combining cutting-edge AI with the expertise of our ... Mehr anzeigen

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Senior Data Platform Engineer

Senior Data Platform Engineer

CirconomitBerlin, BE, DE
Vor 19 Tagen
Anstellungsart
  • Quick Apply
Stellenbeschreibung

Hi, I'm Erik, CTO at Circonomit. We build the decision platform industrial companies use to plan their production. Three problems on my table right now:

  • Users need to explore millions of records without the UI slowing down, even while an optimization model runs over the same underlying data.
  • The UI and the solver need that data in different shapes and on different timescales. Our data models and query paths have to serve both.
  • Customer data arrives through ERP exports, Excel files, and CSVs. It has to become one consistent, queryable model, with each tenant's data reliably isolated.

I need someone to take the data platform and own it end to end: decide what it needs, build it, keep it running.

Our models decide what gets produced when, on which machine, and at what stock level. Every one of them runs on the data you would own.

We came out of RWTH research, raised €2.8M with Vorwerk Ventures, and have customers running on our models today. Small team, Cologne office.

Requirements

  • 5+ years working on production backend or data-intensive systems.
  • Recent, substantial hands-on experience writing and operating production software.
  • Strong Python skills. TypeScript experience is a plus.
  • Production PostgreSQL experience: multi-tenancy, migrations, and performance optimization.
  • Deep SQL knowledge and experience with analytical data processing, such as columnar formats or embedded query engines. We use Parquet, Arrow, and DuckDB.
  • Experience building, extending, and maintaining ETL pipelines across heterogeneous sources, including ERP exports, Excel, and CSV.
  • Experience setting up and maintaining CI/CD pipelines for reliable production deployments.
  • The ability to make technical decisions independently and explain the trade-offs.
  • German at C1 level or above, and fluent English. Team communication is in German; code and documentation are in English.
  • The right to work in Germany. We do not offer visa sponsorship.

You should enjoy turning ambiguous customer needs into clear technical priorities, rather than waiting for fully specified tasks. Priorities can change as we learn from customers; you'll work directly with me to make scope and trade-offs explicit.

Benefits

  • Ownership. The whole data platform: ingestion, storage, query paths, and deployments.
  • Architectural influence. You'll own the evolution of our data platform: what to keep, what to improve, and where to introduce new approaches. You'll make those trade-offs directly with me.
  • Real-world impact. Customers plan their production on our models today.
  • Direct collaboration. Small team, no org chart between you and the founders. Weekly feedback, both ways.
  • Compensation. Competitive salary plus a VSOP package reflecting your contribution and development in the role.
  • Hybrid work. We work from our Cologne office, with one to two home-office days per week. You don't need to live in Cologne, but you do need to be able to work from the office on the remaining days.
  • Your setup and everyday extras. Hardware of your choice · AI tooling budget · sports membership · Deutschland-Ticket.

Process: A 20-minute call, a technical conversation, a three-hour challenge with a 45-minute walkthrough, then a conversation with the team. Two to three weeks overall, with feedback within days.