The doctoral course "AI Design in Digital Finance" provides a comprehensive overview of contemporary artificial intelligence techniques used in the digital finance sector. It covers a range of AI methodologies, including machine learning, neural networks, and algorithmic trading, and their applications in enhancing financial services and products. The course places a strong emphasis on designing AI systems that are not only effective but also responsible, with explicit considerations for energy consumption, bias mitigation, explainability, and fairness. Students engage with case studies and projects that challenge them to create AI solutions that uphold ethical standards and contribute positively to the financial industry. Additionally, the course explores the regulatory and societal impacts of AI in finance, preparing students to navigate and shape the future landscape of digital finance.