Senior Android Engineer: High-Impact Mobile Apps & CI/CD

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

Benefits offered by this job

Great Place to Work

Solid financial position

Contracts with biggest brands

Centre of internal trainings

Many experts you can learn from

Open and accessible management team

Profit sharing

Passion Sponsorship program

Regular integration events and trips

Comfortable and well-equipped offices

MySii app

Medical care

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 applications in an agile environment, collaborating with cross-functional teams.

You will lead architectural improvements, contribute to software architecture decisions, and help deliver scalable, user-centric apps while maintaining automated CI/CD pipelines and high code quality.

Qualifications

• At least 6 years of commercial experience in Android application development
• Strong proficiency in Kotlin and hands-on experience with the Android SDK
• Practical experience building modern user interfaces with Jetpack Compose
• Solid knowledge of asynchronous programming and concurrency using Coroutines
• Experience with automated testing, CI/CD practices, and maintaining scalable mobile applications
• Fluent communication skills in both Polish and English, enabling effective collaboration in an international environment

Responsibilities

• Designing, developing, and maintaining advanced Android applications with a focus on performance, stability, and responsiveness
• Enhancing existing solutions through refactoring, code optimization, and continuous architectural improvements
• Building and maintaining automated CI/CD pipelines to streamline development, testing, and release processes
• Delivering high-quality, testable, and maintainable code while contributing to technical decision-making
• Participating in code reviews and promoting engineering standards, best practices, and software quality
• Creating and maintaining technical documentation to support development and operational processes

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

Automated testing

CI/CD practices

Polish/English communication

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 applications in an agile environment, collaborating with cross-functional teams.

You will lead architectural improvements, contribute to software architecture decisions, and help deliver scalable, user-centric apps while maintaining automated CI/CD pipelines and high code quality.