Android Developer

Opportunity: Android Developer

Role Overview:

As an Android Developer, you will design, build, and maintain enterprise-scale mobile applications that enable secure remote identity verification. You will integrate mobile ID&V features such as document capture, OCR, face recognition with liveness checks, and ensure safe submission of verification data to backend services. Your work will combine high-quality Android development with strong security, privacy, and compliance considerations.

Location: Cracow, hybrid model (office visit 6 times per month)

Type of contract: B2B

English skills: B2/C1

Responsibilities:

• Lead and oversee the full development lifecycle of Android applications, ensuring high quality, performance, responsiveness, and security.
• Design, develop, and maintain large-scale Android apps using Java/Kotlin, including UI and backend integrations.
• Identify bottlenecks, review code, fix bugs, refactor, and continuously improve the codebase.
• Implement automation, maintain code quality, and apply updates/upgrades as needed.
• Collaborate across teams, contribute to planning, estimating, architecture, coding, and deployment.
• Apply Agile and DevOps practices, contributing to continuous delivery and operational readiness.
• Take responsibility for app releases and ongoing support of live applications.
• Ensure software aligns with broader project goals and compliance standards.

Requirements:

• Proven senior-level experience in Android development within large-scale mobile engineering projects.
• Expert knowledge of Android SDK, Android Studio, Jetpack components, and architecture patterns (MVVM, Clean Architecture).
• Proficiency in Java and Kotlin; experience with dependency injection frameworks (Dagger, Hilt).
• Strong skills in UI design (Material Design), custom views, and reactive programming (RxJava, Kotlin Coroutines).
• Experience with RESTful APIs, JSON, local storage (Room, SQLite), background processing, multi-threading, and asynchronous programming.
• Knowledge of Android security best practices, performance optimization, memory management, and app publishing.
• Familiarity with CI/CD tools (Jenkins, GitLab CI), Git, testing (unit/UI automation), and third-party integrations (Firebase, NDK).
• Understanding of Android permissions, offline data synchronization, push notifications, and accessibility features.
• BS degree in Computer Science or related field with 5+ years of broad engineering experience, including at least 2 years in a senior Android role.

What we offer:

• B2B contract.
• Private medical care, life insurance, and access to Multisport card.
• Stable, long-term projects with full-time employment.