I'm looking for a job as a Software Engineer - help me optimize my LinkedIn headline. I want you to write a headline that is under 220 characters includes industry keywords and is entertaining. Focus on the biggest problems I solve in my day-to-day job, those include: improving query efficiency (by designing and fully revising the two largest MySQL databases); chatbot implementations (Developed a chatbot that helped customers to reduce costs by 240% in their customer service department); and automation (created usage graphs, saving $500,000 / year & increasing accuracy). Make sure you mention that in my free time, I am a guitarist for a tribute Queen band.