xAI · 4 months ago
Member of Technical Staff, RL Training Framework
xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. They are seeking a Member of Technical Staff to design and implement distributed RL systems and optimize system performance.
Artificial Intelligence (AI)Foundational AIGenerative AIInformation TechnologyMachine Learning
Responsibilities
Design and implement state-of-the-art distributed RL systems
Profile, debug, and optimize system performance
Software and algorithm co-design with engineers
Qualification
Required
Experience building, debugging, and optimizing large scale distributed training systems
Experience building async RL training frameworks
Experience in inference systems
Proficiency in Python, Jax, or Rust
Strong communication skills
Ability to concisely and accurately share knowledge with teammates
Strong work ethic and prioritization skills
Preferred
PhD with AI or other scientific domains
Strong knowledge of reinforcement learning techniques
Experience building infra for large-scale reinforcement learning and multi-agent reinforcement learning
Benefits
Equity
Comprehensive medical, vision, and dental coverage
Access to a 401(k) retirement plan
Short & long-term disability insurance
Life insurance
Various other discounts and perks
Company
xAI
XAI is an artificial intelligence startup that develops AI solutions and tools to enhance reasoning and search capabilities.
H1B Sponsorship
xAI has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
Funding
Current Stage
Late StageTotal Funding
$42.73BKey Investors
Neptune Digital AssetsSpaceXMorgan Stanley
2026-01-06Series E· $20B
2025-12-11Secondary Market· $0.3M
2025-07-13Corporate Round· $5.32B
Recent News
2026-01-11
Clean Technica
2026-01-11
Company data provided by crunchbase