Role Overview

We are looking for an experienced Senior Mobile Developer with strong expertise in native iOS (Swift) and/or Android (Kotlin) development. You will be responsible for building, enhancing, and maintaining high-quality mobile applications, particularly within a banking/cards domain.

This role requires working in a Scrum/DevOps environment, owning features end-to-end, and ensuring performance, security, and scalability of mobile applications.

Key Responsibilities

• Design, develop, and maintain native mobile applications for:
• iOS (Swift)
• Android (Kotlin)
• Enhance and refactor legacy mobile applications
• Ensure performance, stability, and accessibility of applications
• Collaborate with cross-functional teams to refine requirements and deliver features
• Take end-to-end ownership of features in an Agile/Scrum setup
• Apply best practices in mobile architecture and UI development
• Ensure security and compliance, especially in banking/card-related features
• Contribute to code quality, reviews, and knowledge sharing

Must-Have Skills

• Strong experience in:
• iOS development (Swift) and/or Android (Kotlin)
• Solid understanding of:
• Mobile architectures (MVVM, MVP, etc.)
• UI frameworks and best practices
• Experience in:
• Refactoring legacy codebases
• Performance optimization
• Secure mobile development
• Hands-on experience working in:
• Agile / Scrum / DevOps environments
• Ability to work independently and own features end-to-end

Nice to Have

• Experience in banking / financial services / card domain
• Knowledge of mobile security and compliance standards
• Familiarity with DevOps practices
• Basic understanding of Dutch language