Worked on the is-a-dev/register repository to deliver a domain management and user email integration feature, focusing on backend development and configuration management. The approach involved updating domain configuration processes and synchronizing user data with email fields, using JSON for data management. By aligning DNS record types and improving DNS configurations, the work reduced manual steps and minimized the risk of misconfiguration during domain onboarding. These changes enhanced data integrity across domains and users, streamlining the onboarding process. The engineering effort emphasized reliability and consistency, ensuring that domain and user records remained accurate and up to date throughout the registration workflow.