Senior Android Engineer

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 We offer*: Flexible working format - remote, office-based or flexible A competitive salary and good compensation package Personalized career growth Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more) Active tech communities with regular knowledge sharing Education reimbursement Memorable anniversary presents Corporate events and team buildings Other location-specific benefits *not applicable for freelancers