Member of Technical Staff - Mid-training

<div class="content-intro"><h3><strong><span style="font-family: arial, helvetica, sans-serif;">About xAI</span></strong></h3> <p><span style="font-family: arial, helvetica, sans-serif;">xAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. </span><span style="font-family: arial, helvetica, sans-serif;">Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. </span><span style="font-family: arial, helvetica, sans-serif;">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. </span><span style="font-family: arial, helvetica, sans-serif;">All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.</span></p></div><h3><strong>RESPONSIBILITIES:</strong></h3> <ul> <li>Scale synthetic coding data to trillions of tokens with large-scale docker verification.</li> <li>Distill the intelligence of flagship models into flash models through synthetic data generation.</li> <li>Optimize mid-training data mixtures to boost the ceiling for RL.</li> <li>Engineer long-context data recipes.</li> <li>Develop robust and diverse evaluation for mid-training checkpoints.</li> </ul> <h3><strong>BASIC QUALIFICATIONS:</strong></h3> <ul> <li>Expertise in ML and large model scaling, with familiarity across all kinds of scaling laws.</li> <li>Strong ability to design ML experiments.</li> <li>Familiarity with state-of-the-art techniques for curating AI training data for text, image, audio, and video modalities.</li> <li>Strong engineering abilities in Spark, Ray, and other frameworks for large-scale data processing.</li> </ul> <h3><strong>COMPENSATION AND BENEFITS:</strong></h3> <p>$180,000 - $440,000 USD</p> <p>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 &amp; long-term disability insurance, life insurance, and various other discounts and perks.</p><div class="content-conclusion"><p><em>xAI is an equal opportunity employer. For details on data processing, view our&nbsp;</em><em><a href="https://x.ai/legal/recruitment-privacy-notice" target="_blank">Recruitment Privacy Notice</a>.</em></p></div>