A Cerner Millennium developer designs, develops, and modifies software systems and applications for the Cerner Millennium suite, a healthcare information system. These duties involve coding, testing, debugging, and implementing software solutions. They collaborate with healthcare professionals to understand workflow and patient care processes, translating these needs into effective software solutions. Developers also provide ongoing maintenance and troubleshooting, ensuring the system functions optimally and meets the needs of users. Additionally, they may create documentation, conduct training for end-users, and stay updated on the latest technology trends to enhance the functionality and efficiency of the Cerner Millennium system.