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