Senior Android Engineer - Scalable Apps, Kotlin, CI/CD

Sii Poland; Bydgoszcz; On-site; PLN 140,000 - 200,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Open and accessible management team

Medical care

MySii app

Regular integration events and trips

Modern offices

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 mobile apps for millions of users, collaborating with cross-functional teams in an agile environment.

You will influence technical decisions, contribute to software architecture, and help deliver scalable, user-centric products while advancing best practices and robust testing in a dynamic office environment in

Qualifications

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

Responsibilities

• Design, build, and maintain advanced Android applications
• Refactor and optimize existing solutions for performance and stability
• Create and maintain automated CI/CD pipelines
• Deliver high-quality, testable, maintainable code and contribute to architecture
• Participate in code reviews and promote engineering standards
• Create and maintain technical documentation

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

Automated testing / CI_Cd

Polish language

English language

Tools

Android Studio

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 mobile apps for millions of users, collaborating with cross-functional teams in an agile environment.

You will influence technical decisions, contribute to software architecture, and help deliver scalable, user-centric products while advancing best practices and robust testing in a dynamic office environment in