Android Developer

Requirements:

• 5+ years of experience in Android development;
• 3+ years of experience with Kotlin;
• Proficiency with Kotlin Coroutines and Flow;
• Experience building architecture (MVVM, Clean Architecture);
• Experience with DI (Hilt/Koin/Dagger);
• Networking skills (REST, Retrofit/OkHttp, error handling);
• Experience with profiling and optimization (CPU, memory, network);
• Ability to find and fix root causes of defects.

Additional Requirements:

• Understanding of VoIP principles or similar video call technologies;
• Experience with video/audio (MediaCodec, codecs, key frames, bitrate);
• Experience integrating native code (JNI/NDK) is a plus;
• Experience developing multi-module projects;
• Skills in task decomposition and estimation;
• Experience with Git (branching, code review, clear PRs);
• Experience diagnosing production issues (logs, metrics, crash analytics).

Responsibilities:

• Development and maintenance of a video call SDK based on the PJSIP library;
• Development and enhancement of an Android client for video communication;
• Performance optimization (latency, stability, power consumption);
• Diagnosis and resolution of production problems;
• Participation in architecture design and task decomposition;
• Collaboration with backend, QA, and product teams.

We offer:

• Reliable foundation: Official employment (according to the Labor Code of the Russian Federation) with an accredited IT company;
• Health as a priority: Extended voluntary health insurance (VHI) package, including dental care and psychological support;
• Meaningful work: Involvement in developing a socially significant product that helps people stay connected in difficult life situations;
• Strong team: We value openness, responsibility, and a drive for results, creating an environment for everyone's professional development;
• Care for your well-being: We partially reimburse the cost of your gym membership;
• Remote format: Work from any city, with the possibility to visit the office in Tula for work sessions, corporate events, and informal communication.