Software Engineer II - Mobile

About the Company

Stone is a technology and financial services company focused on the customer. We are the largest independent payment methods company in Brazil, aiming to transform the payment industry and serve Brazilian entrepreneurs.

Responsibilities

• Execute tasks with well-defined scopes, receiving support from senior engineers for complex problems
• Maintain autonomy in daily tasks while seeking alignment for technical decisions
• Collaborate continuously with direct teams and partner teams
• Assist in integrating KMP modules to native platforms (Android, iOS, and React Native)
• Build interfaces using Compose Multiplatform
• Apply established mobile architecture patterns and development best practices
• Participate in technical discussions, team rituals, and code reviews

Requirements

• Previous experience (internship or practical projects) in mobile software development (Android or iOS)
• Knowledge of mobile architecture patterns (MVVM)
• Practical knowledge of data structures (lists, mappers, hashmaps)
• Understanding of unit testing and testable code
• Basic knowledge of REST API integration, network communication, and local data persistence
• Strong desire to learn and good communication skills

Preferred Qualifications

• Familiarity with Kotlin Multiplatform (KMP) or Compose Multiplatform (CMP)
• Knowledge of Kotlin (Coroutines, Flow) or Swift with interest in transitioning to Kotlin
• Experience integrating native/KMP modules into React Native applications
• Interest in Server-Driven UI architectures
• Familiarity with Agile methodologies (Scrum/Kanban)