Senior Android Engineer: Kotlin, Jetpack Compose, CI/CD

Sii Poland; Kraków; On-site; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Medical care

Profit sharing

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Job summary

Sii Poland in Kraków is seeking a Senior Android Developer to design, build, and improve high-performance Android applications. You will collaborate with cross-functional teams in an agile environment to influence technical decisions and contribute to software architecture.

You’ll work on mobile solutions for millions of users, focusing on performance, scalability, and reliability, while advancing automated testing and CI/CD practices within an international context.

Qualifications

• Minimum 6 years of commercial Android development experience.
• Strong Kotlin skills and practical Android SDK experience.
• Experience with Jetpack Compose and asynchronous programming (Coroutines).
• Experience with automated testing and CI/CD practices.
• Fluent Polish and English communication.

Responsibilities

• Design, develop, and maintain advanced Android applications focused on performance and stability.
• Refactor and optimize existing solutions; drive architectural improvements.
• Build and maintain automated CI/CD pipelines for efficient development, testing, and release.
• Deliver high-quality, testable, maintainable code and participate in technical decision-making.
• Contribute to code reviews, engineering standards, and software quality.
• Create and maintain technical documentation for development and operations.

Skills

Kotlin

Android development

Jetpack Compose

Coroutines

CI/CD practices

Automated testing

English & Polish communication

Tools

Android Studio

Job description

Sii Poland in Kraków is seeking a Senior Android Developer to design, build, and improve high-performance Android applications. You will collaborate with cross-functional teams in an agile environment to influence technical decisions and contribute to software architecture.

You’ll work on mobile solutions for millions of users, focusing on performance, scalability, and reliability, while advancing automated testing and CI/CD practices within an international context.