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Mobile Developer & UI/UX Product Designer (m/w/d)

Jobsthatfit đŸ‡©đŸ‡Ș Berlin, Germany

Hybrid Full-time

Drive the development of native iOS and Android apps while actively shaping the UI/UX and overall product strategy. Collaborate with founders to translate user needs into intuitive digital features and maintain a high-quality technical architecture.

Responsibilities

  • Develop and extend the Value app for iOS and/or Android using modern native technologies
  • Write clean, maintainable and well‑tested code and evolve the technical architecture
  • Collaborate with REST APIs and integrate new product features
  • Conceptualize, design and implement user‑centered features and flows
  • Create prototypes, UI concepts and translate them into functional app screens
  • Contribute to the overall product vision from idea through UX concept, design and implementation
  • Work closely with founders, engineers and other team members in product development
  • Explore new technologies and propose solutions for complex challenges
  • Apply AI tools for development, refactoring, debugging, testing and prototyping while understanding the underlying code

Requirements

  • Experience developing native iOS apps with Swift and SwiftUI
  • Experience developing native Android apps with Kotlin and Jetpack Compose
  • Good sense for UI, UX and intuitive user flows
  • Familiarity with Agile development, Clean Code, MVVM and Dependency Injection
  • Experience with automated UI and unit testing and quality assurance
  • Experience working with REST APIs
  • Ability to use AI‑based development tools and critically evaluate generated code
  • Motivation to take ownership, propose ideas and influence product direction

Benefits

  • 50 % Development, 50 % UI/UX & Product – a hybrid role that leverages both technical and creative strengths
  • Full autonomy to shape the product and its future
  • Top‑of‑the‑line equipment (MacBook Pro + dual monitors)
  • Flexible hybrid model: 2–3 days per week in the Berlin office, the rest remote
  • Workation option: 1–2 months abroad after successful onboarding
  • High‑motivation team where ideas are heard and implemented
  • Opportunity to have a visible impact on customers and the product

Key Skills

Swift SwiftUI Kotlin Jetpack Compose iOS development Android development REST APIs MVVM Dependency Injection Clean Code Agile methodology UI/UX design Prototyping Figma Automated UI testing Unit testing Quality assurance AI‑assisted development tools Cross‑functional collaboration Problem solving Communication Design thinking User‑centered design Product ownership

About Jobsthatfit

Value is a Berlin‑based startup building an app that promotes appreciation, sustainability and health in workplaces.

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