Member of Technical Staff - X Search

<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><span style="font-family: arial, helvetica, sans-serif;">ABOUT THE ROLE:</span></strong></h3> <p>The X Search team is responsible for building and operating the core search engine that powers discovery on X. We own the full end-to-end search stack — from real-time retrieval and indexing to ranking and the end-user search experience.</p> <p>Our goal is to create the most relevant, fast, and intelligent search experience on the internet by combining state-of-the-art information retrieval systems with Grok’s reasoning capabilities.</p> <h3><strong><span style="font-family: arial, helvetica, sans-serif;">RESPONSIBILITIES:</span></strong></h3> <ul> <li>Build search and retrieval algorithms that scale to millions of users</li> <li>Build and operate large scale search engine and search infrastructure</li> <li>Train state of the art ML ranking mo