Expert Android Engineer

Custom Field 1: Mobile Development Custom Field 3: Mobile Development Country/Region: PL Date: Aug 11, 2026 Location: Working place: Hybrid Working Location: Łódź, Warszawa, Poznań, Kraków, Wrocław Type of contract: Employment contract Salary range: 18900 - 28900 PLN gross What will you do? You will be part of innovative projects for one of the largest mobile banking applications in Poland. In this role, you will design and develop modern Android solutions, integrate mobile applications with backend systems, and contribute to building secure, scalable and high-quality software used by millions of users. Your tasks Develop and maintain Android applications using Kotlin and Java Design and implement new mobile features Integrate applications with backend services Write unit and integration tests Ensure high code quality, security and performance Participate in CI/CD processes and application releases Collaborate with cross-functional teams in an agile environment Your skills At least 3 years of commercial experience in Android development with Kotlin Strong knowledge of Android SDK, Android Studio, AndroidX and Material Components Experience with MVVM, Clean Architecture and multi-module applications Good knowledge of RxJava3 and Kotlin Coroutines Experience with LiveData, Flow and StateFlow Experience with REST/SOAP integrations using Retrofit and OkHttp Knowledge of Firebase, Room, WorkManager and Android Architecture Components Experience with unit and integration testing using JUnit, Mockito, MockK or PowerMock Knowledge of Gradle, dependency management and dependency injection frameworks such as Hilt, Dagger2 or Koin Experience with CI/CD tools such as Jenkins or GitLab Knowledge of application security, secure data storage and performance optimization Fluent Polish Nice to have Experience in banking or financial services projects Experience with advanced Gradle configurations Knowledge of mobile accessibility standards We offer Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warsaw, Wroclaw (2 office days per week) Working in a highly experienced and dedicated team Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.) Online training and certifications Access to e-learning platform Work From Anywhere (up to 140 days/year abroad) Social events We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER . We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings. Why Choose GFT? A culture of top performance Deep tech IT engineering & consulting 1200 skilled & top-class experts 77% of the team are regular/senior Products that contribute to a sustainable world Competitive salary and benefits Ambitious projects, trainings and tools you need to flourish Google Cloud Partner of the Year - for going above and beyond for customers Not Ready To Apply? Stay connected! Enter your e-mail and we will keep you informed about upcoming events and opportunities that match your interests. Register for Job Alerts