Senior iOS Developer - Adtech

Job Description

About your tasks:

• Drive modularization and continuously evolve a scalable iOS architecture. 
• Define, implement, and refine technical standards and architectural guidelines. 
• Build reusable mobile components for Retail Media experiences, including Sponsored Products, Sponsored Brands, product recommendations, banners.
• Improve CI/CD reliability, build performance, and release processes. 
• Strengthen testing strategy and establish strong quality foundations across teams. 
• Improve app stability, performance, and overall technical health. 
• Review and guide critical architectural decisions across multiple teams. 
• Reduce technical debt strategically while enabling product teams through platform improvements. 
• Implement feature flags, experimentation, and A/B testing to validate new customer experiences.

Qualifications

About you:

• You have strong expertise in Swift and experience working on large-scale production apps. 
• Experience building cross platform application in KMP and Android experience is additional add-on.
• You bring deep understanding of modular architecture and scalable app structures. 
• You have hands-on experience with Clean Architecture, MVVM, or similar patterns. 
• You understand modern concurrency concepts and memory management in iOS. 
• You have solid experience with unit testing and improving test coverage. 
• You have worked with CI/CD pipelines and understand release processes. 
• You collaborate effectively across teams and bring strong debugging and performance optimization skills. 
• Experience working in Retail Media, AdTech, MarTech large-scale e-commerce platforms.

Additional Information

About your benefits:

In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:

• Sports: Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.

• Mental Health: Get quick and professional help from psychologists of Likeminded if you feel overwhelmed in private or professional life. Anonymous and free of charge. 

• Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.

• Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.

• Personal development: Grow! We support and encourage your individual development through various in- and external trainings.

• And many more :)

Compensation Grade: Grade 14