Backend Developer

Description XTEND, a global leader in advanced human-guided autonomous drone systems, is looking for a Backend Software Developer to join our R&D team and take part in building the core software that powers our real-time autonomous and mission-critical systems used by defense and security forces worldwide. As part of our core development team, you will design, develop, and maintain high-performance backend software written in C++, supporting real-time data processing, control flows, and system integration. You will work closely with cross-disciplinary teams and take ownership of backend services throughout their full lifecycle - from design and development to deployment in production environments. This is a unique opportunity to work on complex, real-world systems at the intersection of robotics, autonomy, and high-performance software engineering. Responsibilities Design, develop, and maintain high-performance backend software in C++ Implement robust, scalable, and efficient system components for real-time operation Collaborate with diverse teams across all XTEND disciplines to bring innovative ideas to life Integrate and test various internal and external APIs Participate in architecture design, technical decision-making, and system integration Optimize performance, reliability, and resource usage for mission-critical environments Conduct code reviews and ensure high code quality and adherence to best practices Debug, profile, and maintain complex production systems Requirements At least 5 years of hands-on experience developing C++ Strong understanding of software engineering fundamentals, including OOP, memory management, and multithreading Experience developing and maintaining complex backend or system-level software Experience working in Linux environments Experience working with version control and development tools (Git, Jira, Bitbucket, etc.) Ability to work independently, take ownership, and learn quickly Advantages Experience working with ROS2 Familiarity with DDS-based communication protocols Background in robotics, autonomous systems, or real-time distributed systems Experience with performance or mission critical software Experience with Docker and containerized deployments