Senior Android Engineer: Scalable High-Perf Apps

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

Benefits offered by this job

Medical care

Centre of internal trainings

Profit sharing

Open and accessible management

Job summary

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

The role offers opportunities to work on mobile solutions used by millions of users, with emphasis on reliability, scalability, and user-centric design.

Qualifications

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

Responsibilities

• Design, develop, and maintain advanced Android applications with focus on performance and stability.
• Refactor and optimize existing solutions; improve architecture.
• Build and maintain automated CI/CD pipelines for development and release.
• Deliver high-quality, testable, maintainable code and contribute to technical decisions.
• Participate in code reviews and promote engineering standards.
• Create and maintain technical documentation for development and ops.

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

Testing & CI/CD

English & Polish

Job description

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

The role offers opportunities to work on mobile solutions used by millions of users, with emphasis on reliability, scalability, and user-centric design.