Own the architecture, availability, and performance of Aurora MySQL clusters. Design and maintain strategies for obfuscating and replicating production databases. Troubleshoot slow queries, hot tables, and other performance issues. Review, improve, or rewrite inefficient queries. Design schema and data modeling strategies. Weigh in on foreign key usage and implement policies. Monitor and tune backup, restore, and disaster recovery processes. Provide guidance on Redis usage. Influence the engineering roadmap. Participate in on-call rotation for database incidents.