Software Engineer (Network, C++)

Join our Colossus Networking team as a Software Engineer, where you will develop core networking software that enhances the performance and reliability of our datacenter fabric. Your work will have a direct impact on training efficiency, model convergence, and the advancement of AI. You will own the full lifecycle of your software, from design and implementation to deployment, monitoring, and iteration based on real-world performance at scale. This role requires strong development experience in C or C++, deep knowledge of networking protocols, and the ability to thrive in a fast-paced, dynamic environment.

• Develop the core networking software that maximizes the performance and reliability of the datacenter fabric.
• Solve hard problems in distributed systems, high-performance networking, and real-time control of one of the largest AI supercomputers.
• Participate in and lead architecture, design, and code reviews, and develop prototypes to validate key design decisions.

• Bachelor’s degree in computer science, engineering, math, or a related technical discipline; OR 2+ years of professional software development experience in lieu of a degree
• Strong development experience in C or C++
• Excellent written and verbal communication skills
• Deep knowledge of networking protocols (UDP, TCP/IP, RDMA, etc.), distributed systems, and large-scale datacenter fabrics
• Experience developing, debugging, and deploying software that runs at scale in real-world systems
• Background in real-time systems, high-performance computing, low-latency networking, or resource-constrained environments
• Experience with security considerations in large-scale distributed systems
• Ability to thrive in a fast-paced, dynamic environment with evolving requirements
• Strong professional experience writing high-performance C/C++ in production environments
• Must be willing to work extended hours and weekends as needed
• Creative problem-solving ability with exceptional analytical skills and strong engineering fundamentals