Senior Kotlin Multiplatform Developer

Quick Facts

• Role: Senior Kotlin Multiplatform Developer
• Work model: Flexible hybrid (in-office 4 times per month)
• Location: Warsaw, Kraków, Gdańsk, Lublin, Poznań, Wrocław, Łódź, Szczecin
• Compensation: 1000–1300 PLN net/hour + VAT (B2B)

Description

Join a team developing mobile systems for a leading Polish bank. You will work on the evolution of existing applications and Kotlin Multiplatform-based solutions, focusing on code quality, testing, and features used in the financial sector. The project also uses AI tools that support the software creation process.

Responsibilities

• Develop and improve existing mobile applications and Kotlin Multiplatform solutions
• Maintain high code and test quality
• Implement and evolve features used by customers in financial services
• Use AI-assisted tools to support development processes

Requirements

• Very good knowledge of Kotlin, Coroutines, and Flow
• Experience with Kotlin Multiplatform (KMP) and Compose Multiplatform
• Practical knowledge of Jetpack Compose
• Experience in banking, finance, or insurance projects
• Knowledge of MVI and/or MVVM architectural patterns
• Experience with Koin or Hilt
• Knowledge of Ktor or Retrofit
• Experience testing with JUnit and MockK
• Knowledge of Gradle
• Experience working with Git
• Practical knowledge of AI development tools such as GitHub Copilot, Claude, or Cursor

Benefits

• Work on ambitious, large-scale projects with room to showcase your skills
• Opportunity to work with new technologies and contribute fresh ideas
• Participation in Jit communities and training
• Integration and community events