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 employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates.
We are seeking an accomplished Portfolio Manager to enhance xAI’s AI models by providing institutional-grade investment expertise into our model training and validation processes. In this role, you will apply your deep knowledge of equity and fixed income valuation, portfolio construction across liquid and alternative investments, risk management, derivatives-based hedging, and performance attribution to guide the development of AI systems that serve sophisticated investment professionals. You will collaborate with technical teams to refine annotation tools and curate impactful data, ensuring our models effectively capture real-world portfolio management dynamics. This role requires adaptability, strong analytical skills, and a passion for driving innovation in a fast-paced environment.