The employment agency - Certificate No. 412
Android Developer
Reference Number: 30012
Posted: 21 October 2026
Employment Type: Contract
Apply by: 20 November 2026
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Location: Hybrid work model with 1-2 days per week spent at the client's office in one of the following locations: Warsaw, Łódź, Gdańsk, Wrocław, Poznań, Kraków, Lublin, or Szczecin.
Salary: 120 – 137 PLN net/h (B2B via Experis)
Responsibilities:
• Design, develop, and maintain Android mobile applications.
• Build and enhance solutions based on Kotlin Multiplatform (KMP), including shared components across mobile platforms.
• Implement new business features for digital channels and mobile banking applications.
• Contribute to application architecture design in line with best practices and quality standards.
• Integrate mobile applications with backend services, payment systems, and external APIs.
• Ensure the performance, security, stability, and overall quality of delivered solutions.
• Develop unit and automated tests and actively participate in code reviews.
• Collaborate closely with analysts, architects, testers, backend teams, and business stakeholders.
• Support technical problem-solving and contribute to architectural decisions within ongoing projects.
Requirements:
• Minimum 5 years of experience in Android application development.
• Strong proficiency in Kotlin and the Android platform.
• At least 3 years of hands-on experience with Kotlin Multiplatform (KMP).
• Solid understanding of software architecture and design principles, including Clean Architecture, SOLID, and MVI.
• Experience building user interfaces with Jetpack Compose.
• Practical experience with Coroutines and/or RxJava.
• Hands-on experience with tools and libraries such as Koin, OkHttp, and Git.
• Experience integrating mobile applications with backend services and APIs.
• Ability to write unit and automated tests (e.g., JUnit, MockK).
• Experience conducting code reviews and working within distributed development teams.
• Understanding of mobile application security best practices.
• Strong analytical and problem-solving skills with the ability to work independently.
Nice to Have:
• Experience in the banking, financial services, or payments domain.
• Knowledge of mobile application security and cryptography concepts.
• Experience with Compose Multiplatform and iOS development.
• Familiarity with Google Pay SDK and CI/CD processes.
• Basic knowledge of backend technologies (Java).
• Experience using AI-powered development tools.
Our offer:
• MultiSport Plus
• Group insurance
• Medicover Premium
Salary: 120 – 137 PLN net/h (B2B via Experis)
Responsibilities:
• Design, develop, and maintain Android mobile applications.
• Build and enhance solutions based on Kotlin Multiplatform (KMP), including shared components across mobile platforms.
• Implement new business features for digital channels and mobile banking applications.
• Contribute to application architecture design in line with best practices and quality standards.
• Integrate mobile applications with backend services, payment systems, and external APIs.
• Ensure the performance, security, stability, and overall quality of delivered solutions.
• Develop unit and automated tests and actively participate in code reviews.
• Collaborate closely with analysts, architects, testers, backend teams, and business stakeholders.
• Support technical problem-solving and contribute to architectural decisions within ongoing projects.
Requirements:
• Minimum 5 years of experience in Android application development.
• Strong proficiency in Kotlin and the Android platform.
• At least 3 years of hands-on experience with Kotlin Multiplatform (KMP).
• Solid understanding of software architecture and design principles, including Clean Architecture, SOLID, and MVI.
• Experience building user interfaces with Jetpack Compose.
• Practical experience with Coroutines and/or RxJava.
• Hands-on experience with tools and libraries such as Koin, OkHttp, and Git.
• Experience integrating mobile applications with backend services and APIs.
• Ability to write unit and automated tests (e.g., JUnit, MockK).
• Experience conducting code reviews and working within distributed development teams.
• Understanding of mobile application security best practices.
• Strong analytical and problem-solving skills with the ability to work independently.
Nice to Have:
• Experience in the banking, financial services, or payments domain.
• Knowledge of mobile application security and cryptography concepts.
• Experience with Compose Multiplatform and iOS development.
• Familiarity with Google Pay SDK and CI/CD processes.
• Basic knowledge of backend technologies (Java).
• Experience using AI-powered development tools.
Our offer:
• MultiSport Plus
• Group insurance
• Medicover Premium
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Experis to światowy lider rekrutacji specjalistów i kadry zarządzającej w kluczowych obszarach IT. Z nami znajdziesz konkurencyjne oferty zatrudnienia oraz ciekawe projekty IT skierowane zarówno do ekspertów z wieloletnim doświadczeniem, jak i osób, które dopiero zaczynają swoją przygodę w branży IT.
We offer recruitment of managers and highly qualified consultants with expertise in IT.Experis is part of ManpowerGroup and has been named one of the world's most ethical companies.

