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Senior Android Developer

Warszawa, mazowieckie🌐 Remote💼 Full-time🗓 2026-05-15 → 2026-08-04

Core

Designing, building, and maintaining high-performance, reusable, and reliable Kotlin code for diverse IoT projects.

Role type

Senior Android Developer (freelance)

Builds

IoT applications

Domain

Internet of Things (IoT)

Deliverable

production ML models | product features

Required skills

Kotlin, Jetpack Compose, Unit Testing, Android libraries (Koin, Hilt), Bluetooth Low Energy communication

Preferred skills

MVP architecture, Design patterns, Functional reactive programming, Google Play, Android Auto, Flutter, Agile/Scrum

Technologies

Android, Kotlin, Jetpack Compose, JUnit, Mockito, Robolectric, Koin, Hilt

Responsibilities

Designing and building high-performance Kotlin code, Reviewing pull requests, Identifying and fixing bugs, Writing unit tests, Participating in requirement discussions

Seniority

Senior, hands-on IC

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