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
 

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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.
Warszawa, Mazowieckie
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