Senior DevOps Engineer (all genders) | Data Platform
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Remote oder Köln / Darmstadt / Düsseldorf / Berlin
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Senior DevOps Engineer (all genders) | Data Platform at Real Digital
📍 Remote oder Köln / Darmstadt / Düsseldorf / Berlin
AnstellungsdetailsPermanent Contract, Full- or Part-Time, Remote or Cologne / Düsseldorf / Darmstadt / Berlin
InfoWho we areWe are the tech powerhouse behind Kaufland’s international online marketplaces and a company within the Schwarz Group. Driven by a start-up mentality and working on an equal footing within flat hierarchies, we develop the best marketplace solutions for our customers, sellers and partners. #FromEuropeForEurope
Day by day, our Tech & Product Team of about 400 experts pursues the goal of creating the best possible customer shopping experience for our online marketplace. Through innovative technical developments, they not only create an outstanding shopping experience but also lay the foundation for an optimal selling experience for our sellers. Learn more about our division, areas, and cross-functional teams here!
AufgabenYour tasks – this is what awaits you in detail
ProfilYour profile – this is what we expect from you
- You run and own our self-hosted Apache Kafka backbone and Schema Registry end-to-end, managing ACLs, client quotas, certificates, upgrades, and disaster recovery
- You operate our Debezium-based change data capture pipelines, overseeing connectors, snapshots, offsets, replica lag, and BigQuery sink loaders
- You run our workloads on Kubernetes, including Navarch - our self-built workflow orchestrator executing ~7,500 SQL and Python tasks daily - owning resource management, autoscaling, and debugging
- You automate and own access management and infrastructure as code across our self-hosted GitLab CI/CD pipelines, replacing manual tickets with code-driven policies
- You own observability and infra costs - Datadog across Kafka and sink loaders, Slack-native alerting, and maintaining an honest view of K8s, Kafka retention, and log volume expenses
- You carry your share of triage, one week in three - handling ingestion and access requests, schema alerts, and supporting analysts, while helping automate this layer via AI-assisted review
- You act as a senior sparring partner alongside two senior data engineers (reporting to the Head of Data & Analytics) - driving design reviews and multi-quarter initiatives, with room to grow into BigQuery architecture over time: access frameworks, partitioning and slot strategy, the pipelines and models on top
- Optional: You take part in our 24/7 on-call rotation
- You have several years of experience operating production infrastructure you were personally responsible for, including on-call rotation. You have run systems that broke, can explain what went wrong and how you permanently fixed it, and can detail a specific trade-off you navigated backed by concrete numbers
- You have deep hands-on expertise in Apache Kafka broker operations, including cluster sizing, partition rebalancing, replication, ISR behavior, and version upgrades
- You have operated cross-system data replication in production - ideally Debezium on Kafka Connect, or database replication via binlog, GTID, WAL, or agent-based pipelines
- You demonstrate strong production experience with Kubernetes, master resource management and autoscaling, and possess sharp debugging reflexes for complex failure modes
- You manage infrastructure and access as code across multiple environments (ideally Terraform and Ansible; Pulumi, Helm or serious configuration management also counts) following a strict least-privilege IAM approach across multiple environments, ideally with GCP experience or transferable AWS/Azure knowledge
- You use production-grade Python and SQL as practical tools, applying a cost-conscious mindset to query performance, scanning volume, and data pruning
- You thrive in a low-process, Kanban-driven environment where seniors self-organize, rotate weekly triage duties without micro-management, and prefer automating recurring requests over manually repeating them
- Optional: You bring skills or interest in object-oriented design, data modeling/dbt, BigQuery architecture, orchestration frameworks (Airflow, Dagster), stream processing (Beam, Flink, Spark), or internal automation (n8n, AI triage bots).
- You are fluent in English (C1 level) and enjoy working in an international team environment
What we offer
Check out our Principles & our blog for even more insights into our company culture!
BewerbenDiversity at Kaufland e-commerceWe welcome applications from everyone, regardless of skin colour, sexual orientation, gender identity, age, disability, ethnic origin, religion and ideology. We are signatories to the Charta der Vielfalt (German Diversity Charter) – because we know that extraordinary things can only be achieved with diversity. Read more here! When applying, you can optionally include your pronouns in your resume.
Why are you the perfect fit for this position?
Don't bother with cover letters - we're interested in facts and figures! Feel free to share your Github profile with us in your application.
As we have very international teams, we would highly appreciate it to receive your CV or profile link in English.
We are looking forward to your application!
Kaufland e-commerce Services GmbH & Co. KG
Postal address:
Habsburgerring 2
50674 Köln
AnsprechpartnerYour contact person: Kristina HeymannFind more English Speaking Jobs in Germany on Arbeitnow
Required Skills / Keywords: Data Engineering
Application Process: Click "Apply for this Job" to be directed to the employer's official application page.
- 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
- This is who we are: Our dynamic culture combines flat hierarchies, a start-up mentality, an international team of over 65 nationalities, and the strength of the Schwarz Group to provide you an agile and secure working environment.
- We are team players: From day one, you will connect not only with your team but also with others through our digital onboarding journey, the buddy program, and regular team and company events, all-hands meetings, powerful mornings, and much more!
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