(Senior) Platform Engineer (all genders) - Database Infrastructure

As part of one of our Platform teams, your goal is to deliver the best possible developer experience to our product teams and guarantee reliable and performant production and development environments Example tasks you could work on:

• You partner with our engineering teams to identify and optimize slow queries
• You consult with different engineering teams to help them choose and implement the most suitable database solutions for their needs
• You manage the lifecycle of our database fleet, streamlining maintenance to minimize downtime and keep our systems secure

• You bring extensive knowledge of MySQL and MongoDB, ideally complemented by experience with PostgreSQL, RabbitMQ, and Redis
• You have a proven track record of optimizing databases at scale, ensuring high performance in demanding environments
• You possess extensive experience in managing infrastructure as code, specifically using Terraform and preferably Ansible
• You understand the workflows and technical challenges software engineers face when interacting with the database stack and enjoy providing tailored solutions for their use cases
• You combine analytical troubleshooting skills with fluency in coding and a deep understanding of high-traffic, high-availability system architecture
• You are a proactive team player who enjoys collaborating across functions, sharing knowledge, and striving for continuous learning
• You embrace AI-driven development and utilize modern AI tools to increase your efficiency so you can focus on problem-solving and high-quality output within a fast-paced environment
• You are fluent in English (C1), possess excellent communication skills, and enjoy working in an international environment

What we offer

• 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 our co-working space 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 subsidise your train season ticket for more mobility
• Employee Discount: You will receive a monthly coupon for
• 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

, the , and regular team and company events, all-hands meetings, , and much more! Check out our & our for even more insights into our company culture! Diversity at Kaufland e-commerce We 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 ! Bewerben 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.

Who we are We operate the international of Kaufland: Several thousand sellers and millions of products make us one of the fastest growing online marketplaces. Ours is a dynamic corporate culture that merges a start-up mentality with the opportunities offered by a large corporation. We combine knowledge and many years of experience in e-commerce with flat hierarchies and a highly motivated team. We love flexibility! You have the freedom to choose whether you want to work remotely (within Germany) or at one of our offices in Cologne, Darmstadt, Düsseldorf, or in our co-working space in Berlin. You decide what works best for you! 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 ! Aufgaben Your tasks - this is what awaits you in detail You will orchestrate and design our data stores and messaging systems, including technologies like MySQL, PostgreSQL, MongoDB, RabbitMQ, and Redis. You optimize these systems to deliver scalable, highly available, maintainable, cross-region solutions, We at Kaufland e-commerce are an independent tech company within Schwarz Digits, responsible for operating and developing Kaufland's international online marketplaces. Our company is comprised of over 850 talents hailing from more than 60 nations. We unite this diversity of perspectives and strengths in interdisciplinary teams to help us find the best solutions for various projects. WHAT SETS US APART We have a dynamic company culture which is marked by flat hierarchies, a strong team spirit and an open culture based on learning and making mistakes. One of the foundational elements of our culture are our Company Principles, which we actively live and which are integrated in various processes from onboarding onward. Flexibility is our greatest success factor, whether in our processes, our everyday work or in our workplace. You can work in any of our offices in Cologne, Darmstadt, Düsseldorf or remotely from anywhere inside of Germany.