Senior Android Developer Smart Agents (IoT & Displays)

Job Summary

As a Senior Android Developer, you will be a core contributor to the design and development of Smart Agent applications that bridge IoT systems and professional-grade Android-based displays. These applications power client experiences in high-impact environments such as international airports, luxury hotels, stadiums, and EV networks.

Our team builds award-winning products as part of a long-term R&D strategy within the largest display manufacturer in the world.

Key Responsibilities

• Architect, develop, and maintain native Android applications that interact with IoT platforms and cloud services.
• Implement modern Android best practices using Kotlin, Jetpack components, and MVVM/MVI.
• Optimize applications for performance, responsiveness, battery consumption, and security.
• Collaborate with UX/UI, backend, QA, and DevOps teams to deliver high-quality applications.
• Integrate Android applications with real-time IoT data using REST APIs, WebSockets, or MQTT.
• Contribute to strategic technical decisions and mentor junior team members.
• Support both AOSP and OEM-customized Android versions in commercial environments.
• Analyze and adapt applications to changes introduced in new Android OS versions.
• Work collaboratively across engineering locations in Romania and the Netherlands.

Required Qualifications

• 7+ years of professional experience in Android development.
• Strong command of Kotlin and Java.
• Solid understanding of Android architectural patterns (MVVM, MVI, Clean Architecture).
• Experience with Android SDK, Android Jetpack, Gradle, and Dependency Injection (Hilt, Dagger).
• Proven experience working with Android AOSP or customized Android firmware.
• Deep understanding of Android OS changes across versions and the implications on application behavior.
• Experience integrating RESTful APIs, WebSockets, and real-time communication protocols.
• Hands-on experience with cloud-based mobile architectures (Firebase, AWS, or Azure).
• Familiarity with MQTT, BLE/NFC, or hardware-level integrations.
• Knowledge of secure mobile development (OAuth2, JWT, HTTPS, Android Keystore).
• Experience with CI/CD for mobile (Bitrise, GitHub Actions, Jenkins) and Git-based version control.
• Strong unit testing and UI automation skills (JUnit, Espresso, MockK, etc.).
• Bachelor's degree in Computer Science, Software Engineering, or equivalent.
• Excellent English communication skills.

Nice to Have

• Experience with Flutter and cross-platform mobile development.
• Kotlin development experience outside of Android (e.g., backend with Ktor, CLI tools).
• Experience with kiosk mode or Android Enterprise deployments.
• Familiarity with Progressive Web Apps (PWA) and WebView integration.
• Background in containerization or backend technologies (Docker, RESTful services).
• Google Associate/Professional Android Developer Certification.
• Demonstrated contributions to open-source or published apps in the Play Store.
• Passionate about tech innovation, clean code, and continuous learning.

Work Culture & Collaboration

• Hybrid work model with collaborative engagement.
• Youll work with a highly experienced R&D team creating tools and apps for global deployments.