We are looking for an experienced C/C++ Developer to join a team developing a Linux-based cloud-integrated communication solution. You will work as part of an Agile development team and collaborate with an international team. 

Responsibilities:

• Develop software for Cloud-integrated Communication Solutions and IP telephony using C and C++.
• Design and implement High Availability (HA) and Clustering mechanisms for call processing, focusing on real-time state synchronization and seamless call failover.
• Optimize distributed data architectures to support multi-node clustering and load balancing in cloud environments.
• Work as part of an international Agile/Scrum development team.
• Work on product capacity increase and performance optimization.
• Participate in product architecture design and feature development.
• Solve engineering tasks of varying complexity.

Required skills:

• Commercial experience in C/C++ development (5+ years for Senior-level position, 3+ years for Middle-level, 1-2 years for Junior-level). 
• Experience with Linux programming. 
• Deep understanding of Clustering and High Availability (HA) architectures (Active/Standby, Active/Active).
• Practical experience with inter-process communication (IPC) and network synchronization techniques for real-time applications.
• Networking fundamentals and understanding of the TCP/IP stack.
• Strong debugging and bug-fixing skills.
• Experience with version control systems (Git). 
• English proficiency sufficient for verbal and written communication within an international team.

Nice to have:

• Understanding of SIP/SDP and RTP/RTCP protocols.
• Experience in using AI-assisting tools for software development.
• Experience with the Redis platform. Hands-on experience with session replication and state sharing using tools like Redis or custom shared-memory implementations.
• Experience with Azure Cloud and Kubernetes.
• DevOps experience.
• Knowledge of Kamalio.
• Experience working in distributed or international teams.

What we offer: 

• Dynamic and supporting international teams.
• Regular assessments and performance reviews. You will have the opportunity for promotion, bonuses and a raise in accordance with the pace at which you develop and your performance. 
• Remote, hybrid or office work.
• 20-25 vacation days per year.
• Equipment for work, laptop and all necessary additions.
• Access to trainings and courses.
• Private health insurance.
• FIT Pass card for many sports’ facilities.