Senior Data Engineer (all genders)

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Kaufland e-commerce

WebsiteLinkedInAlle Stellen

501 - 1000 Mitarbeiter

Gegründet 2015

🛍️ eCommerce

🏪 Marktplatz

🤝 B2B

eCommerce • Marketplace • B2B

Kaufland e-commerce ist der Technologiearm und die Arbeitgebermarke, die die internationalen Online-Marktplätze von Kaufland unterstützt. Es baut und betreibt die Kaufland-Online-Marktplätze und den Kaufland Global Marketplace (KGM) – eine B2B-All-in-One-Verkäuferlösung – und entwickelt damit verbundene digitale Produkte (zum Beispiel die Kaufland-App und die Kaufland-Karte). Als unabhängiges Technologieunternehmen in Zusammenarbeit mit Kaufland Retail konzentriert sich KEC auf Marktplattform-, Produkt- und Engineering-Teams und beschäftigt über 800 Mitarbeiter an mehreren Standorten in Deutschland und remote, um Millionen von Kunden und Tausende von Händlern in ganz Europa zu bedienen.

Beschreibung

• Design, develop and maintain our streaming and CDC backbone (Apache Kafka, Debezium, Schema Registry, BigQuery Sinks) and our self-built workflow management platform Navarch, running on Kubernetes • Drive architectural initiatives across the platform end-to-end — from idea to production — spanning streaming, orchestration, the warehouse and the observability layer that sits across them • Operate and evolve our BigQuery multi-project setup, shaping access management, partitioning, slot strategy and cost-aware design patterns • Shape how the platform supports domain analysts who ship their own pipelines — clear ownership boundaries, quality safeguards, and less hand-off friction between producers and the platform team • Build and maintain observability across the data platform (Datadog, Slack-native alerting, cost dashboards) and you take care of our CI/CD pipelines on our self-hosted GitLab instance • Manage BigQuery and Kafka cost at platform scale — FinOps in practice • Bring a senior perspective into architectural decisions across the platform — design reviews, merge-request reviews, and multi-quarter initiatives the team runs

🎯 Anforderungen

• Several years of senior-level data-engineering experience, demonstrated by independent ownership of production systems — running on-call, shipping cross-component changes, and influencing architecture without process scaffolding around you • Strong problem-solving skills with a demonstrated ability to troubleshoot complex, cross-component issues (schema evolution, broker lag, query performance, cost anomalies) • Professional experience in software engineering using Python and a working command of SQL on top of cloud data warehouses — partitioning, clustering, query cost, idempotency • Strong experience with object-oriented programming and software design patterns, applied to data engineering applications • Hands-on experience with at least four of the following technologies: Message brokers, ideally Apache Kafka (broker operations, schema registry, KRaft) • Change data capture, ideally Debezium • Orchestration tools (in-house, Airflow, Dagster or similar) • Public Cloud Providers, ideally Google Cloud Platform • Container orchestration, ideally Kubernetes (Helm, operators, KEDA/VPA) • Infrastructure as Code, ideally Terraform and/or Ansible • Data modeling and transformation, ideally dbt or comparable • You can articulate trade-offs in your past decisions — batch vs. stream, build vs. buy, latency vs. cost, isolation vs. coupling — with concrete numbers from your own work • Thrive in a Kanban-style, low-process environment where seniors organise their own work and rotate triage weekly • Fluent in English (C1) and enjoy working in a dynamic, international environment

🏖️ Vorteile

• Create your own work-life balance: You have the flexibility to choose between working remotely (within Germany) or from one of our locations in Cologne, Darmstadt, Düsseldorf, or in Berlin! • Do you want to move to Germany? No problem – we offer you an attractive relocation package to give you a smooth start. • Urban Sports Club and RSG Group Fitness Studios: Get top deals for fitness, swimming, yoga and more • Mental Well-Being: We support you on your well-being journey with special offerings such as Instahelp, the digital platform for online psychological counseling • Vacation & Sabbatical: Enjoy 30 days of vacation per year and the opportunity to take a sabbatical once you have been part of the team for a certain period! • Option for Pluxee restaurant vouchers: Buy Pluxee vouchers through us and benefit from tax-advantaged meal allowances! • ‘Deutschlandticket’: We subsidize your train season ticket for more mobility • Employee Discount: You will receive a monthly coupon for Kaufland.de • Free choice of operating system: MacOS or Ubuntu Linux, it's up to you • Boost your growth: Benefit from our online language learning programs, diverse in-house training, and our automated 360-degree feedback. We cover the costs for relevant conferences, training opportunities, and approved team workshops to strengthen personal interactions