Senior Mobile Developer (Kotlin Multiplatform)

Quick Facts

• Role: Senior Mobile Developer (Kotlin Multiplatform)

• Work model: Team meets once per week; possible locations: Warsaw, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin, Szczecin. Engagement can be hybrid or fully remote depending on the arrangement.

Description

You’ll join a team developing a modern mobile application used by hundreds of thousands of users. Your mission is to build and evolve shared business logic for Android and iOS using Kotlin Multiplatform (KMP) in a mature agile environment with a strong focus on code quality, architecture, and automation.

Responsibilities

• Develop shared business logic for Android and iOS using Kotlin Multiplatform (KMP)

• Work in a quality-driven agile setup with an emphasis on architecture and automation

Requirements

• Minimum 3 years of experience as a Mobile (Android/iOS) Developer

• Very good Kotlin knowledge and practical experience with Kotlin Multiplatform (KMP)

• Experience designing application architecture (Clean Architecture, SOLID, MVVM/MVI)

• Knowledge of asynchronous programming (Coroutines, RxJava)

• Experience with dependency injection (Koin/Dagger)

• Experience with network communication (Ktor/OkHttp)

• Testing experience (unit, integration, BDD) using JUnit and Mockk

• Git knowledge and experience working in CI/CD environments

• Communicative English

Benefits

• Long-term project engagement in an IT company operating for 20+ years

• Access to the latest technologies and engineering standards

• Flexible engagement model: hybrid or fully remote

• Knowledge-sharing and growth ecosystem (internal trainings, topic guilds, cloud training/certifications)

• Online English/German lessons and group language classes

• Multisport and private medical care on preferential terms