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. 

Project Overview:

As part of our team, you’ll collaborate with people of all styles, skill sets and backgrounds to realize our vision while fostering a community where everyone feels included and empowered to do the best work of their lives.

As a Senior C developer at Core Platform Engineering team your role will be to enhance the industry’s most innovative embedded networking solution for streaming audio and to develop the firmware for new product introductions. You will work with some of the brightest minds in the business across multiple disciplines of software, hardware, acoustics and WiFi technologies. You will have fun and innovate every day in our fast paced and creative environment.

What You’ll Do

• Use your knowledge of C, Linux kernel mode development, to integrate components into the platform simulator, to bring up new prototypes and future client products on the latest, highest performing wireless networking hardware.
• Leverage your curiosity in solving intricate, hard-to-replroduce defects in Linux kernel.
• Work closely with the Hardware and Platform Software teams to optimize clients platform performance, maintaining our market position as the most advanced audio hardware system in the world.

Activities

• Writing clean, maintainable code
• System architecture & technical designs
• Debugging
• Optimization
• Documentation
• Working in a team setting
• Code reviews, providing feedback
• Time estimation

Required Skills & Expertise

• 5+ yrs of experience in C
• Strong expertise in Linux kernel development and debugging
• Proficiency in Python
• Exposure to working with a software team that utilizes agile methodologies
• CI/CD systems

Preferred Qualifications

• Solid Python experience
• C++

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 performances.
•     Hybrid or office work.
•     20-25 vacation days per year.
•     4 days of sick leave (100% paid)
•     Equipment for work, laptop and all necessary additions.
•     Access to trainings and courses.
•     Private health insurance.
•     FIT Pass card for many sports’ facilities