I would be an excellent fit for your MySql development needs as I've been deeply involved in web and app development for over seven years. My experience in designing and managing complex databases such as MySQL, PostgreSQL, and MongoDB, aligns directly with the tasks you need to be completed. I have a robust understanding of SQL and the capability to write intricate queries to efficiently fetch the precise data required.
Moreover, I possess a strong background in backend technologies such as Node.js, Python (Django/Flask), and Ruby on Rails, which compliments my expertise with MySQL. This synergy allows me to not only solve the initial problem you presented, but also anticipates any probable challenges or complications beforehand.
To summarize, my refined skills in database management, fluency in various backend technologies, combined with my extensive practice of SQL make me ready for this challenge. With me onboard, you can trust that your task will be accomplished accurately, timely and with diligence it deserves...