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Offer summary
(Summary generated by AI based on the full job description)
The project involves long-term product development in logistics and digital services focused on mobile solutions for millions of users. Core stack includes Kotlin, Android SDK, Jetpack Compose and Coroutines, with experience in CI/CD and automated testing. Responsibilities include designing and developing mobile apps, refactoring and performance optimization, building and maintaining CI/CD pipelines, participating in code reviews, creating technical documentation and influencing architectural decisions. Offered benefits include private healthcare, benefits platform, car discounts and investment in employee growth.
from: 3 November 2026
to: 3 December 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:remote • hybrid • full office
Białystok, Centrum
Requirements
Expected technologies
Android
Kotlin
Android SDK
Jetpack Compose
Coroutines
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
- Current residence in Poland
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
About the project
Join a long-term product development initiative in the logistics and digital services sector, focused on creating mobile solutions that support millions of everyday users. As a Senior Android Developer, you will play a key role in designing, building, and improving high-performance mobile applications, working closely with cross-functional teams in an agile environment. This position offers the opportunity to influence technical decisions, contribute to software architecture, and help deliver reliable, scalable, and user-centric products.
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
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior Android Developer - Logistics & Digital Services (f/m/x)
I apply to:
Sii Sp. z o.o.
Białystok, Centrum
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