Working Student Mobile Developer (f/m/d)

About the role

We are looking for a motivated working student to join our Anti‑Fraud team as a mobile developer. You will help build and improve our iOS and Android SDKs that run on millions of devices, protecting advertisers and publishers from fraudulent activity.

Key responsibilities

• Develop and maintain mobile SDK components for iOS and Android platforms.
• Investigate and mitigate ways users might bypass fraud‑prevention mechanisms.
• Collaborate with backend, QA, and other mobile engineers to define architecture and best practices.
• Participate in code reviews, testing, and continuous integration pipelines.
• Contribute to documentation and knowledge sharing within the team.

Required profile

• Currently enrolled in Computer Science or a related degree program.
• Hands‑on experience with Swift or Java/Kotlin for mobile development.
• Strong interest in security, adversarial thinking, and anti‑fraud technologies.
• Ability to work collaboratively in a fast‑paced, cross‑functional environment.

Required skills

• Swift
• Java
• Kotlin
• iOS development
• Android development

What we offer

• Opportunity to impact a platform used by over 770 million users.
• Fast‑moving environment with frequent releases and real‑time feedback.
• International, diverse team from 40+ countries.
• Flexible start date and focus on personal projects over cover letters.