Senior Android Engineer — Build Scalable Apps with Kotlin

Sii Poland; Rzeszów; On-site; PLN 190,000 - 260,000; Full time

Benefits offered by this job

Great Place to Work

Profit sharing

Medical care

Centre of internal trainings

Open and accessible management team

Regular integration events and trips

MySii app

Contracts with the biggest brands

Job summary

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

You will contribute to software architecture, ensure scalable, user-centric products, and help implement automated testing and CI/CD pipelines throughout the lifecycle.

Qualifications

• 6+ years of commercial Android development experience.
• Kotlin proficiency and Android SDK expertise required.
• Experience with Jetpack Compose and modern UI.
• Strong 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 focusing on performance and stability.
• Refactor and optimize existing codebase and architecture.
• Build and maintain automated CI/CD pipelines for development, testing, and release.
• Deliver high-quality, testable code and participate in technical decision-making.
• Participate in code reviews and promote engineering standards and quality.
• Create and maintain technical documentation for development and operations.

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

CI/CD

Automated testing

English

Polish

Android Studio

Tools

Android Studio

Job description

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

You will contribute to software architecture, ensure scalable, user-centric products, and help implement automated testing and CI/CD pipelines throughout the lifecycle.