Lead the network programming team for Rainbow Six Siege at Ubisoft, architecting and optimizing multiplayer networking systems to deliver a seamless and competitive online experience for millions of players worldwide.

As a Senior Technical Lead for Network Programming on Rainbow Six Siege, you will be responsible for designing, implementing, and optimizing the networking architecture that powers one of the most popular tactical shooters in the world. You will lead a team of skilled network engineers, working closely with game designers, backend developers, and production to ensure low-latency, high-reliability multiplayer experiences across all platforms. This role involves defining technical roadmaps, conducting code reviews, and establishing best practices for network code. You will tackle complex challenges such as netcode prediction, lag compensation, anti-cheat integration, and cloud-based server orchestration. Your contributions will directly impact the competitive integrity and player satisfaction of Rainbow Six Siege.

• 8+ years of experience in network programming, with at least 3 years in a technical leadership role
• Expert-level proficiency in C++ and experience with low-level networking APIs (e.g., BSD sockets, WinSock)
• Deep understanding of UDP/TCP protocols, latency mitigation, packet loss handling, and bandwidth optimization
• Proven track record of designing and maintaining scalable, fault-tolerant multiplayer game backends
• Strong knowledge of client-server architecture, peer-to-peer networking, and dedicated server infrastructure
• Experience with profiling and debugging networked games on console and PC platforms
• Excellent communication skills and ability to mentor junior engineers

• Competitive salary and performance-based bonuses
• Comprehensive health and dental insurance
• Generous paid time off and flexible working hours
• Remote-friendly work environment with home office support
• Access to cutting-edge game development tools and technology
• Annual learning budget for conferences, courses, and certifications
• Employee game library and company-wide game jams
• Relocation assistance for eligible candidates