Mid-Level Android Developer | Contract | On-site - Penha de França - SP

🚀 Opportunity | Mid-Level Android Developer

Seven is looking for a Mid-Level Android Developer to work on the development, maintenance, and evolution of mobile applications, with a focus on quality, performance, scalability, and an excellent user experience.

If you enjoy building robust solutions, have a critical eye for code, and want to work in a collaborative environment that is constantly evolving, this opportunity is for you!

We are looking for a professional with a strong foundation in Android architecture, practical expertise in development using Kotlin and/or Java, and the ability to work in a collaborative environment, contributing to engineering best practices, code organization, and product sustainability.

Knowledge of .NET backend and PostgreSQL and/or SQL Server databases will be considered a plus, broadening your role in API integration and understanding the application ecosystem.

💼 Responsibilities

• Develop and maintain native Android applications
• Evolve existing features and implement new requirements
• Participate in technical analysis, bug fixing, and continuous improvement of the app
• Ensure code quality, performance, and application stability
• Work with REST API consumption and integrations with backend services
• Apply best practices for architecture and mobile development patterns
• Participate in technical discussions, refinements, and implementation decisions
• Collaborate with product, backend, and quality teams to deliver consistent solutions

🧠 Requirements

• Minimum of 3 years of experience in Android development
• Strong experience with Kotlin and knowledge of Java
• Knowledge of Android app architecture and structure
• Familiarity with patterns such as:
  • MVVM
  • MVI
  • MVP
• Best practices in Clean Code
• Experience with:
  • Coroutines
  • Threads
  • Flows
• Knowledge of local persistence:
  • SQLite
  • Room
• Experience with Android native resources, such as:
  • CameraX
  • Component lifecycle
  • Activities
  • Fragement
  • Views
  • XML Layout
  • Jetpack Compose
• Experience with API integration and libraries such as:
  • Retrofit
  • OkHttp
• Knowledge of dependency injection, such as:
  • Koin
  • Dagger/Hilt
• Good understanding of the Android system architecture and operation

⭐ Desirable Knowledge

• Basic knowledge or experience with .NET backend
• Knowledge of PostgreSQL and/or SQL Server databases
• Experience with integrations between mobile and corporate backend
• Familiarity with code versioning and delivery best practices
• Ability to work in environments with systems already in production and continuous evolution

🎯 Expected Profile

• Analytical and organized profile
• Strong problem-solving skills
• Sense of responsibility for deadlines and delivery quality
• Ability to work well in a team
• Proactive and collaborative attitude
• Interest in technical growth and contributing to product improvements