Worked on accessibility enhancements for the DateTimePicker component in the EightfoldAI/octuple repository, focusing on improving compliance and usability for assistive technology users. Addressed a key bug by removing incorrect combobox roles and ARIA attributes from date range picker inputs, ensuring more accurate screen reader semantics. Updated related tests and snapshots to reflect these changes, maintaining code reliability and quality assurance. Collaborated closely with another contributor to validate the updates and align with accessibility standards. Utilized React for component development and JavaScript and TypeScript for implementation, demonstrating attention to detail in front end development and a commitment to accessible user experiences.