Senior Mobile Engineer (iOS and Android)

Who we are

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!

Your tasks – this is what awaits you in detail

• You’ll work across diverse platforms and technologies, adapting flexibly to the needs of each project and contributing to high-quality mobile experiences.
• Together with your experienced cross-functional team, you’ll tackle complex challenges and continuously improve existing features in close collaboration with backend and frontend engineers.
• You take ownership of the entire feature lifecycle – from concept and design to implementation, testing, release, and monitoring in the Apple App Store and Google Play Store.
• As part of the Kaufland e-commerce module within our successful retail app, you’ll align with peers on best practices while enhancing development workflows and application architecture.
• Collaborating closely with product managers and designers, you’ll help shape data-driven, hypothesis-based product experiences that create real value for our users.
• With your expertise, you’ll help scale and strengthen the mobile engineering team, fostering a culture of learning, quality, and collaboration.
• You also bring fresh ideas, innovative solutions, and new technologies to continuously advance our mobile application lifecycle.
  
  

Your profile – this is what we expect from you

• You have solid experience in core mobile development languages such as Swift and Kotlin, combined with a strong understanding of modern mobile engineering practices.
• A deep understanding of S.O.L.I.D. and D.R.Y. principles, which you apply thoughtfully in your everyday work.
• Hands-on experience with architecture patterns like MVVM, MVP, and VIPER, and the ability to select the right approach for each project.
• Experience building and maintaining projects in a modular architecture setup.
• Comfortable working with and debugging large, complex codebases, ensuring stability and scalability.
• You have DevOps mindset, taking shared responsibility for operating, monitoring, and maintaining high-quality software.
• Driven to improve processes continuously and focused on long-term, sustainable solutions.
• Strong grasp of TDD/BDD principles and a commitment to building clean, well-tested, and maintainable code.
• Customer-focused mindset — delivering results quickly while making sound, forward-looking technical decisions.
• Experienced in agile development environments (e.g., Scrum, Kanban) and passionate about effective collaboration.
• Motivated to grow personally and professionally, while also supporting your team in becoming better every day.
• Passionate about technology and curious about emerging e-commerce trends and developments.
• Excellent communication skills, openness to our company culture and values, and enthusiasm for working in an international, English-speaking team.
  
  

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 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!
  
  

Check out our Principles & our blog 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.