Hi Christian,
I have gone through your requirement, I understand that you are looking Database developer for upgrade MySQL to latest one and i am quite confident that I can deliver the solution to your satisfaction.
I have 12+ years of experience in Web development and database designing and development of SQL server, ORACLE, POSTGRESS SQL, MY SQL.
Current SQL database I'm working with, consists out of 476 tables. I've done it all: tables, stored procedures, triggers, complex SQL, DTS packages, database optimization.
I have done and upgrade several database of size 2 GB-4 GB to newer version in PAST as well as create Stored procedure, Views etc.
I would like to discuss with you on skype of complete understanding of your requirement and analyze your existing data through team viewer.
I will follow the milestone model for project progress and payment and also follow the agile development methodology.
I will provide free support for bug fixing and issue resolving.
No upfront cost and other payment would be based on successfully achieving the set milestone.