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Sii Sp. z o.o.

Senior Android Developer (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Senior
Białystok
Lublin
Gdańsk
Wrocław
+9
Expires Oct 7, 2026
11 days ago

In short

Senior Android Developer role at Sii Sp. z o.o. in Białystok. Responsibilities include designing/developing Android apps, optimizing code, managing CI/CD, and code reviews. Requires 6+ years experience, Kotlin, Android SDK, Jetpack Compose, Coroutines, and testing/CI/CD.

Keywords

Android Development Kotlin Android SDK Jetpack Compose Coroutines CI/CD Automated Testing

AI-written summary based on the listing content.

Technologies we use

About the project

Your 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

Our requirements

  • 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

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People

This is how we work on a project

Published 2026-09-07
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