Android Developer (Kotlin Multiplatform)

Quick Facts

• Role: Android Developer (Kotlin Multiplatform)

• Work model: Hybrid (1x per week in Warsaw office)

• Pay: 1200–1400 PLN net/day (depending on experience and skills)

Description

You will design and develop mobile applications using Kotlin and Kotlin Multiplatform, building user interfaces with Jetpack Compose and Compose Multiplatform. The role includes implementing MVI/MVVM solutions, using coroutines and Flow for async/data streams, integrating with backend services via Ktor/Retrofit, and maintaining unit-tested code.

Responsibilities

• Design and develop applications with Kotlin and Kotlin Multiplatform

• Build UI using Jetpack Compose and Compose Multiplatform

• Implement architecture patterns MVI/MVVM

• Use coroutines and Flow to handle asynchronous operations and data streams

• Integrate the app with backend services using Ktor and/or Retrofit

• Create and maintain unit tests with JUnit and MockK

• Manage dependencies using Koin and/or Hilt

• Work daily with Gradle and Git

• Use AI-assisted development tools (GitHub Copilot, Claude, Cursor)

Requirements

• Very good knowledge of Kotlin (including coroutines and Flow)

• Practical experience with Kotlin Multiplatform (KMP) and Compose Multiplatform

• Very good knowledge of Jetpack Compose

• Experience with MVI and/or MVVM architecture

• Knowledge of Koin and/or Hilt

• Experience with Ktor and/or Retrofit

• Experience writing unit tests with JUnit and MockK

• Fluent working with Gradle and Git

• Ability to use AI programming tools (GitHub Copilot, Claude, Cursor)

Benefits

• Long-term collaboration

• Technical training, certifications, and skills development

• Mentoring Competence Center community (conferences, knowledge sharing)

• Clear career path

• Benefits package: Multisport, private medical care, life insurance

• Friendly work atmosphere with integration events and team-building meetings