Android Developer

Quick Facts

• Location: Hybrid work model — 1–2 days per week from the Warsaw office

• Salary: 120–137 PLN net/h (B2B)

Description

Design, develop, and maintain Android mobile applications, building and enhancing solutions with Kotlin Multiplatform (KMP) shared components. Implement business features for digital channels and mobile banking applications, integrating with backend services, payment systems, and external APIs. Contribute to architecture, quality, security, testing, and code reviews while collaborating with cross-functional teams.

Responsibilities

• Design, develop, and maintain Android mobile applications

• Build and enhance solutions with Kotlin Multiplatform (KMP)

• Implement new business features for digital channels and mobile banking

• Contribute to application architecture design following best practices

• Integrate mobile apps with backend services, payment systems, and external APIs

• Ensure performance, security, stability, and overall solution quality

• Develop unit and automated tests; participate in code reviews

• Collaborate with analysts, architects, testers, backend teams, and business stakeholders

• Support technical problem-solving and architectural decisions

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 (Clean Architecture, SOLID, MVI)

• Experience building user interfaces with Jetpack Compose

• Practical experience with Coroutines and/or RxJava

• Hands-on experience with 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 with code reviews and distributed development teams

• Understanding of mobile application security best practices

Benefits

• MultiSport Plus

• Group insurance

• Medicover Premium