Member of Technical Staff, RL Training Framework

38 Minutes ago • All levels • $180,000 PA - $440,000 PA
Research Development

Job Description

xAI's mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. The team is small, highly motivated, and focused on engineering excellence, operating with a flat organizational structure where all employees contribute directly. This role is within the reasoning infrastructure team, which builds an end-to-end RL training framework for pretraining-scale RL. Responsibilities include designing and implementing state-of-the-art distributed RL systems, profiling and optimizing performance, and co-designing software and algorithms.
Good To Have:
  • 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
Must Have:
  • 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
Perks:
  • 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

Add these skills to join the top 1% applicants for this job

communication
problem-solving
game-texts
rust
reinforcement-learning
python

About xAI

xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All engineers are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.

About the Team

The reasoning infrastructure team builds an end-to-end RL training framework to enable pretraining-scale RL.

About the Role

In this role you might:

  • Design and implement state-of-the-art distributed RL systems
  • Profile, debug, and optimize system performance
  • Software and algorithm co-design with engineers

Ideal Experience

  • 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

Exceptional candidates may have:

  • 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

Location

  • We hire engineers in Palo Alto. Our team usually works from the office 5 days a week but allow work-from-home days when required. Candidates are expected to be located near Palo Alto or open to relocation.

Interview Process

After submitting your application, the team reviews your CV and statement of exceptional work. If your application passes this stage, you will be invited to a 15 minute interview (“phone interview”) during which a member of our team will ask some basic questions. If you clear the initial phone interview, you will enter the main process, which consists of four technical interviews:

1. Coding assessment in a language of your choice.

2. Technical sessions (2): These sessions will be testing your ability to formulate, design and solve concrete problems in real world with LLM.

3. Meet the Team: Present your past exceptional work and your vision with xAI to a small audience.

Our goal is to finish the main process within one week. All interviews will be conducted via Google Meet.

Annual Salary Range

$180,000 - $440,000 USD

Benefits

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

xAI is an equal opportunity employer.

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