Android Developer - Hybrid Barcelona

• Design, build, and maintain advanced Android applications using Kotlin (and / or Java).
• Collaborate with product managers, designers, and backend engineers to deliver seamless, user-centered features.
• Participate in architectural discussions, contributing to technical decisions and long-term platform evolution.
• Ensure the quality, performance, and security of mobile applications through automated testing and best practices.
• Conduct code reviews and share knowledge to maintain high engineering standards.
• Mentor and support junior engineers, helping them grow their technical and collaborative skills.
• Stay up to date with Android ecosystem updates, tools, and industry trends, and bring fresh ideas into the team.

• Demonstrated professional experience (5+ years) developing Android applications, with Kotlin as the primary language.
• Sound understanding of Android SDK, Android Jetpack components, and mobile architecture patterns (e.g., MVVM, MVI, Clean Architecture), with a deep proficiency in the modern Kotlin stack, including Kotlin Coroutines and Flow for asynchronous operations, Ktor for networking, SQLDelight for local persistence, and Kotlin for dependency injection.
• Experience with RESTful APIs, GraphQL, or gRPC to connect Android apps with backend services.
• Proven ability in debugging, troubleshooting, and optimizing mobile performance.
• Familiarity with CI / CD tools and mobile release processes (Google Play, testing frameworks).
• Clear communication skills and ability to collaborate effectively within a diverse engineering team.

Nice-to-have

• AI Tooling Proficiency : Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.
• Experience with iOS development or cross-platform frameworks (e.g., Flutter, React).
• Native, Kotlin Multiplatform.
• Exposure to Agile methodologies such as Scrum, with an understanding of iterative and collaborative development practices.
• Hands-on experience with modern UI development approaches such as Jetpack Compose.

Wizeline, a global AI-native technology solutions provider, develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact.