At AT&T, we are connecting the world through the latest tech, top-of-the-line communications and the best in entertainment. Our groundbreaking digital solutions provide intuitive and integrated experiences for millions of customers across online, retail and care channels. Join our mission to deliver compelling communication and entertainment experiences to customers around the world as we continue to evolve as a technology-powered, human-centered organization. As part of our team, you will transform the way we deliver a seamless customer experience with digital at the center of all you do. In our world, digital is much larger than just an eCommerce channel, we are transforming all channels to digitally perform as one team to create a better customer experience. As we move into 2026, the digital transformation will revolutionize the digital space, and you can build a career that will propel your future. As a Lead Software Engineer – Data Development for Applied AI , you will join our Digital Engineering and Customer Experience (DECX) Automation & Applied AI team . This team is committed to developing autonomous AI agents that empower customers to purchase our products and services seamlessly, delivering exceptional sales experiences across both text and voice channels. We are seeking a highly motivated and innovative Data Engineer to join our dynamic team. A key aspect of your work will involve data development, including collecting, curating, and analyzing customer interaction data to build AI models that understand individual preferences and behaviors. You will collaborate closely with cross-functional teams to create next-generation solutions that push the boundaries of natural language understanding, intelligent dialogue management, and tailored conversational experiences driven by robust data insights. The ideal candidate must demonstrate proficiency in Python, showcasing the ability to write efficient, clean, and maintainable code. In addition to technical expertise, we value candidates who display a willingness to learn and embrace new technologies, specifically in agentic AI development. An openness to acquiring knowledge and skills in this emerging field is essential for this role.