We are looking for an ongoing collaboration with a DBA used to manage large volumes of data using flavors of MySQL/Percona and EC2. Your attributions will be:
1) Participate in application design, assisting in questions regarding the database layer
2) Assist our application developers with db queries that needs optimization
3) Design and maintain a high performance, redundant and robust architecture for the production servers in the database layer
4) Design and maintain the backup policies and scripts
Please describe within a reasonable amount of detail your past experience covering the 4 topics above, highlight to me the hardest problems you had and the solutions you came up with. Give me a reasonable perspective of the scale of the work (e.g n. of rows, tables, users, transactions/s, etc.), what company was it, etc.
Applications that do not follow the guidelines above will be immediately declined.
All the very best,