Android Developer (10/851)

INFOLET SP. Z O.O.; Kraków; On-site; PLN 133,920 - 200,880; Full time

Benefits offered by this job

Relocation package

Extended medical care

Multisport Benefit card

Life insurance

Job summary

A leading technology company in Kraków is seeking a Senior Android Developer to oversee the development lifecycle of Android applications. The ideal candidate will have expert-level knowledge of Android development, proficiency in Java and Kotlin, and experience with Android Studio. The position offers a relocation package, comprehensive medical care for you and your family, and opportunities for personal development through internal and external training.

Qualifications

• 5+ years of broad engineering experience, including at least 2 years in a similar senior engineering role.
• Strong experience with Android SDK and related development tools.
• Proficiency in implementing offline storage and data synchronization.

Responsibilities

• Oversee the entire development lifecycle of Android app projects.
• Ensure high quality, performance, responsiveness, and security of Android applications.
• Collaborate proactively within the project team.

Skills

Expert-level knowledge of Android development

Proficiency in Java and Kotlin

Experience with Android Studio and SDK

Strong knowledge of RESTful APIs and JSON

Familiarity with CI/CD practices

Experience with Android security practices

Knowledge of Android architecture patterns

Proficiency in unit and UI testing

Education

BS degree in Computer Science

Tools

Android Studio

Jenkins

Git

Job description

• Oversee the entire development lifecycle of Android app projects, including resource management, design, and lead the development of applications, especially during critical phases.
• Ensure high quality, performance, responsiveness, and security of Android applications as well as identify bottlenecks in processes and development tasks, review code, and fix bugs.
• Maintain code quality, implement automation, organize codebases, and apply upgrades when available.
• Manage both UI and app-layer integration with backend services.
• Collaborate proactively within the project team, leveraging experience to guide the development lifecycle as well as participate hands‑on in planning, estimating, architecting, coding, and development.
• Conduct regular refactoring and continuous improvement of codebases, prioritize software quality throughout the entire development process, communicate technical decisions and information effectively across the global team, and take responsibility for releases and contribute to ongoing support of live apps.
• Consider how software fits into the broader picture and collaborate effectively with others, apply continuous Delivery practices to enhance product quality and delivery, and utilize a range of Agile practices, understanding their purposes and benefits.
• Embrace a DevOps culture, engaging beyond programming in deployment and operations.

Must have

• Proven experience as a senior individual contributor or technical lead in a large‑scale mobile engineering organization with an expert-level knowledge of Android development and the Android ecosystem, as well as proficiency in Java and Kotlin programming languages
• Strong experience with Android Studio, Android SDK, and related development tools, as well as a deep understanding of Android architecture components and Jetpack libraries, and expertise in developing and maintaining large‑scale Android applications.
• Proficiency in RESTful APIs, JSON parsing, and networking in Android; experience with dependency injection frameworks (e.g., Dagger, Hilt); strong knowledge of Android UI design principles, Material Design, and custom view development.; familiarity with reactive programming (e.g., RxJava, Kotlin Coroutines); experience with local data storage solutions (e.g., Room, SQLite); proficiency in unit testing and UI automation testing for Android.
• Knowledge of CI/CD practices and tools (e.g., Jenkins, GitLab CI); familiarity with version control systems, particularly Git.
• Understanding of Android security best practices and implementation, as well as experience with performance optimization and memory management in Android, and knowledge of the Android app publishing process and Google Play Store guidelines.
• Experience with background processing, multi-threading, and asynchronous programming in Android, as well as knowledge of Android's location and mapping capabilities.
• Familiarity with integrating third‑party libraries and APIs; experience with push notifications and Firebase Cloud Messaging; understanding of Android's permissions model and runtime permissions; proficiency in implementing offline storage and data synchronization; experience with Android NDK and native code integration (C/C++); knowledge of Gradle build system and dependency management.
• Familiarity with Android architecture patterns (e.g., MVVM, Clean Architecture) as well as with Android accessibility features and implementation.
• BS degree in Computer Science with 5+ years of broad engineering experience, including at least 2 years in a similar senior engineering role.

Our offer

• Possibility to attend internal and external training.
• Relocation package (4500 PLN total value), paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory, and you need to relocate from another city.
• Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport Benefit card; life insurance.