N-iX is looking for an experienced, proactive, and ambitious Senior Android Developer to join our team and contribute to the development and evolution of a native Android application.
Main Responsibilities:
- Design, develop, and maintain a high-quality native Android application
- Take ownership of features throughout the entire development lifecycle—from requirements analysis and technical design to delivery and production support
- Collaborate closely with UX/UI, QA, iOS, Product Management, Product Owners, and other engineering teams to align on requirements and specifications
- Understand existing application workflows, improve them where necessary, and support legacy functionality
- Act as a Subject Matter Expert in Android application development and maintenance
- Collaborate with the Mobile Architect and the development team on technical decisions, application architecture, roadmaps, and new features
- Investigate and resolve complex technical and production issues
- Conduct code reviews, promote engineering best practices, and share knowledge with other team members
- Mentor less-experienced developers and support their professional growth
- Analyze requirements, provide estimates, identify technical risks, and propose appropriate solutions
- Contribute to the development of simple, modular, maintainable, observable, and well-tested systems that can evolve over time
- Help improve development processes, CI/CD pipelines, application quality, performance, and release stability
Role Requirements:
- 6+ years of professional Android development experience
- Strong knowledge of Kotlin and practical experience with Java
- Strong knowledge of Kotlin Coroutines, Flows, asynchronous programming, and concurrency
- Experience with modern Android SDKs, Android Jetpack components, application lifecycle, and Material Design
- Experience with Jetpack Compose and/or XML-based UI development
- Strong understanding of Android application architecture, including MVVM, MVP, and Clean Architecture principles
- Good knowledge of SOLID principles, software design patterns, modularization, and testable application design
- Experience with dependency injection frameworks such as Koin, Hilt, or Dagger
- Hands-on experience with Bluetooth Low Energy, including BLE/GATT communication, connectivity, and troubleshooting
- Experience with networking and local data persistence, such as REST APIs, OkHttp/Retrofit, Room, or similar technologies
- Strong understanding of multithreading, memory management, caching, battery consumption, and mobile performance optimization
- Experience with Android profiling, debugging, crash analysis, and production monitoring tools
- Experience with unit, integration, and automated UI testing
- Experience with Git, code review practices, CI/CD pipelines, and Android application release processes
- Ability to break complex problems into smaller, loosely coupled, maintainable, and testable components
- Experience working in a Scrum environment and a solid understanding of Agile and Lean principles
- Upper-Intermediate or higher English proficiency
Nice to Have:
- Experience with VoIP, real-time audio, or communication applications
- Experience with connected devices and custom communication protocols
- Experience with OTA firmware update flows
- Experience with JNI, Android NDK, or C/C++ integration
- Experience building AI-powered mobile features, integrating AI services, or working with on-device machine learning
- Experience publishing and managing applications through Google Play Console
The Ideal Candidate:
- Demonstrates a strong sense of ownership and takes responsibility for delivered solutions
- Has an Agile mindset and works effectively as part of a cross-functional team
- Is pragmatic and can find the right balance between an ideal technical solution, delivery timelines, and actual product needs
- Can independently analyze, plan, and estimate requirements
- Proactively identifies technical risks and proposes practical solutions
- Communicates clearly and constructively with both technical and non-technical stakeholders
- Is comfortable sharing knowledge, mentoring colleagues, and receiving feedback