Senior Android Engineer

120 - 150 PLN/ godz./ godz.B2BB2B (netto)

SeniorHybryda·WarszawaInne·B2B

#476480·Dodano wczoraj·0

Źródło: justjoin.it

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Tech Stack / Keywords

Android Kotlin Jetpack Compose JUnitEspressoCompose TestingClean ArchitectureCI/CDRetrofitRoom

Podsumowanie oferty

Build and maintain the architecture of a production-grade Android application for a project with the company’s partner. Develop native Android applications using Kotlin and Jetpack Compose, and contribute across the software development lifecycle.

Wymagania

At least 5 years of professional experience in native Android development, including applications released through Google Play.
At least 4 years of hands-on experience with Kotlin and Jetpack Compose and/or the Android View system.
At least 3 years of experience in Android testing using JUnit, Espresso, and Compose Testing.
Strong proficiency in Kotlin, including Coroutines, Flow, sealed classes, and extension functions.
Practical production experience with Jetpack Compose and the Android View system.
Solid understanding of architectural approaches such as Clean Architecture, MVVM, and/or MVI, including modular application design and separation of concerns.
Hands-on experience with Hilt or Dagger 2, including dependency injection, component lifecycles, and scope management.
Experience working with Room, EncryptedSharedPreferences, and Android Keystore.
Knowledge of Retrofit and OkHttp, including certificate pinning and structured error-handling mechanisms.
Experience analyzing and improving Android application performance using Android Profiler and Perfetto.
Familiarity with Gradle-based CI/CD pipelines, including automated application signing and delivery.
Ability to understand and work with Java code, particularly in legacy applications and third-party SDK integrations.
Experience implementing feature flags and structured event tracking within mobile applications.
Very good English and Polish.

Obowiązki

Design, develop, and maintain the architecture of a production-grade Android application, including its layers, modular components, and Gradle build structure.
Build and enhance native Android applications using Kotlin, Jetpack Compose, and the Android View system.
Implement asynchronous operations and state management with Kotlin Coroutines and Flow.
Develop data persistence and security mechanisms using Room, EncryptedSharedPreferences, and Android Keystore.
Participate in the software development lifecycle, including PRD preparation, technical specifications, testing, feature-flag-based deployments, and structured event tracking.
Create and maintain automated unit and UI tests using JUnit, Espresso, and Compose Testing.
Monitor, analyze, and optimize application performance using Android Profiler and Perfetto, particularly CPU utilization, memory management, and UI responsiveness.
Identify and resolve crashes and ANRs using tools such as Crashlytics, and minimize regression risks.
Develop and improve CI/CD processes using Gradle, GitHub Actions, or comparable automation solutions.
Implement and maintain integrations between native Android functionality and web-based experiences, including WebView, Custom Tabs, App Links, and Deep Linking.
Work with Engineering and Product Managers to define requirements, manage the team backlog, and propose Android-specific solutions.
Collaborate with backend development teams on API contracts, authentication mechanisms, and event schemas.
Support production incident resolution and contribute to root cause analysis and post-incident reviews when necessary.

Benefity

Private medical care.
Sports card.
Training courses.
Opportunity to attend conferences, including as a speaker, and support with publishing in recognized magazines and online.

Opieka zdrowotna

Karta sportowa

Inne informacje

Recruitment process: a remote initial interview, a remote technical talk, and a decision about working together.

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