Senior Android Engineer - Jetpack Compose & High-Perf Apps

Sii Poland; Katowice; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Centre of internal trainings

Open and accessible management team

Job summary

Sii Poland is seeking a Senior Android Developer to join a long‑term product development initiative in logistics and digital services. You will design, build, and improve high‑performance Android apps and collaborate with cross‑functional teams in an agile setting.

Requirements include 6+ years in Android development, Kotlin and Android SDK expertise, Jetpack Compose, and fluent Polish and English. The role emphasizes performance, scalability, testing, and CI/CD practices.

Qualifications

• 6+ years of commercial Android development experience.
• Strong proficiency in Kotlin and Android SDK.
• Experience with modern UI using Jetpack Compose.
• Solid knowledge of asynchronous programming with Coroutines.
• Experience with automated testing and CI/CD practices.
• Fluent Polish and English for international collaboration.

Responsibilities

• Design and build advanced Android applications with a focus on performance and stability.
• Refactor and optimize existing code and architectures.
• Create and maintain automated CI/CD pipelines for development, testing, and release.
• Deliver high-quality, testable code and participate in design decisions.
• Contribute to engineering standards and code reviews.
• Prepare technical documentation to support development and operations.

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

CI/CD

Automated testing

Job description

Sii Poland is seeking a Senior Android Developer to join a long‑term product development initiative in logistics and digital services. You will design, build, and improve high‑performance Android apps and collaborate with cross‑functional teams in an agile setting.

Requirements include 6+ years in Android development, Kotlin and Android SDK expertise, Jetpack Compose, and fluent Polish and English. The role emphasizes performance, scalability, testing, and CI/CD practices.