Senior Android Engineer – FinTech Platform (Kotlin/Jetpack)

Peoplemore; Kraków; Hybrid; PLN 165,000 - 234,000; Full time

Benefits offered by this job

Hybrid working model

Private medical care

Sports card

Training courses

International projects

Job summary

People More seeks a Senior Android Engineer for a FinTech platform. You will design, build, and maintain production-grade Android apps using Kotlin, Jetpack Compose, and modern architecture across Android View systems.

Collaborate with engineering and product teams, ensure quality through tests and CI/CD, and contribute to performance optimization and security across hybrid work locations in Kraków/Warsaw. Strong English and Polish required.

Qualifications

• 5+ years of professional native Android development with Google Play releases.
• 4+ years with Kotlin and Jetpack Compose and/or Android View system.
• 3+ years of Android testing with JUnit, Espresso, and Compose Testing.
• Strong Kotlin skills including Coroutines, Flow, sealed classes, and extensions.
• Experience with Clean Architecture, MVVM or MVI and modular design.
• Hands-on with dependency injection (Hilt or Dagger 2).
• Experience with Room, EncryptedSharedPreferences and Android Keystore.
• Knowledge of Retrofit and OkHttp with certificate pinning and structured error handling.
• Experience with Android Profiler and Perfetto for performance tuning.
• Familiar with Gradle-based CI/CD pipelines and automated signing.
• Ability to read Java in legacy apps and integrate third-party SDKs.
• Experience implementing feature flags and structured event tracking.
• Very good English and Polish.

Responsibilities

• Design, develop, and maintain production-grade Android architecture with modular components.
• Build native Android apps using Kotlin, Jetpack Compose, and the Android View system.
• Implement async operations and state management with Coroutines and Flow.
• Develop data persistence with Room, EncryptedSharedPreferences, and Android Keystore.
• Participate in PRDs, specs, testing, deployments, and event tracking.
• Create unit and UI tests with JUnit, Espresso, and Compose Testing; monitor performance.
• Use Perfetto/Android Profiler to optimize CPU, memory and UI speed.
• Maintain crash/ANR stability with Crashlytics and regression minimization.
• Improve CI/CD processes with Gradle and GitHub Actions.
• Integrate native Android with web experiences via WebView, App Links, and Deep Linking.
• Collaborate with Engineering and Product to define requirements and backlog.

Skills

Android native dev

Kotlin

Jetpack Compose

Android testing

MVVM / Clean Architecture

Hilt / Dagger

Retrofit / OkHttp

Room / EncryptedSharedPreferences / Ke

Android Profiler

CI/CD with Gradle/GitHub Actions

Tools

Gradle

GitHub Actions

Crashlytics

Perfetto

Job description

People More seeks a Senior Android Engineer for a FinTech platform. You will design, build, and maintain production-grade Android apps using Kotlin, Jetpack Compose, and modern architecture across Android View systems.

Collaborate with engineering and product teams, ensure quality through tests and CI/CD, and contribute to performance optimization and security across hybrid work locations in Kraków/Warsaw. Strong English and Polish required.