Backend Developer (c++)

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