AI Data Scientist

<p><strong>ROLE</strong></p> <p>We are passionate about data. We collaborate to build elegant, effective, scalable and highly reliable solutions to empower predictive modelling in finance.</p> <p>Cubist’s Data Services (CDS) group is looking&nbsp;for an AI Data Scientist to join our dedicated data team. Our group is responsible for the timely delivery of comprehensive and error-free data to&nbsp;some of the most demanding and successful systematic Portfolio Managers in the world.</p> <p><strong>RESPONSIBILITIES&nbsp;</strong></p> <ul> <li>Build AI-powered data products using machine learning models, large language models, and modern AI tools.</li> <li>Design, train, fine-tune, evaluate, and deploy in-house AI/ML models using proprietary and external datasets.</li> <li>Develop end-to-end model pipelines covering data preparation, feature engineering, training, validation, deployment, and monitoring.</li> <li>Apply generative AI and LLM techniques to use cases such as summarization, classification, knowledge extraction, semantic search, and workflow automation.</li> <li>Work with product, engineering, and business teams to translate business problems into scalable AI solutions.</li> <li>Evaluate and integrate third-party AI tools, APIs, open-source models, and internal models where appropriate.</li> <li>Build data pipelines and model workflows for structured and unstructured data.</li> <li>Define model performance metrics, run experiments, conduct error analysis, and continuously improve model quality.</li> <li>Support production deployment of AI models, ensuring reliability, scalability, governance, and responsible AI usage.</li> </ul> <p><strong>REQUIREMENTS&nbsp;</strong></p> <ul> <li>PhD in Computer Science, with a specialization in AI or machine learning related domains</li> <li>Strong programming skills in Python and SQL</li> <li>Strong publication record in top tier machine learning conferences</li> <li>3+ years of experience as a Data Scientist or similar role</li> <li>Experience working with large data sets including predictive modeling</li> <li>Financial industry experience preferred but not required</li> <li>Strong organization, communication and interpersonal skills</li> <li>Intellectual curiosity and enthusiasm for learning</li> <li>Attention to detail and a love of processes</li> <li>Strong oral&nbsp;and written&nbsp;communication skills</li> <li>Ability to multitask and prioritize assignments</li> <li>Commitment to the highest ethical standards</li> </ul>