Senior Frontend Engineer

Permanent Contract, Full- or Part-Time, Remote or Cologne / Darmstadt / Düsseldorf / Berlin

We operate the international online marketplaces 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 here!

• As a Senior Frontend Engineer (all genders) in our team, you proactively develop the Kaufland Marketplace and internal services further
• You connect us to the rapidly growing customer base. Collaborating closely with our UX/UI experts, you will design and implement solutions that deliver an exceptional shopping experience.
• You continuouslyoptimizeandmaintainexisting frontend applicationsregardingperformance, speed, usability, minimizing load times and maximizing interactivity
• Youproactivelycontributeyourownsuggestions,solutions, andtechnologiestothedevelopmentprocess
• Youworkonhighlyscalableand performant SSR Vue 3frontendsservingpageswithhightraffic
• Based on your well‑founded experience and skills, you are committed to continuously improving your colleagues’ know‑how, methodology, and quality, and you lead by example

• You have relevant experience of 6+ years as a Frontend or Full-Stack Engineer and are used to solving different engineering problems with the tools and frameworks that make sense both for the problem domain and the engineering organization
• You have profound knowledge of our frontend tech stack, which is predominantly Type Script and Vue.js, or you are experienced and accomplished with other common frameworks
• Familiarity with backend application development either in Node.js, PHP or other languages is a must
• You are knowledgeable about testing, debugging, monitoring, and deployment techniques for web applications
• You have experience with building responsive web applications and using different API paradigms
• Ideally, you have experience running efficient experiments and validating ideas using A/B Tests in high‑iteration cycles
• You work proactively, take responsibility, and challenge processes
• You have excellent communication skills, are fluent in English (C1) and enjoy working in an international environment
• You have in‑depth knowledge of software development methods and principles that translate into writing code that is easy to understand and maintain
• You are committed to learning and adapting to new technologies quickly, besides training opportunities provided by the company
• You have the drive to continuously develop both yourself and your team further to become a little bit better every day
• You know how and when to document technical specifications and decisions that affect your team or other teams in your area
• You have solid understanding of infrastructure concepts

• 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…