Backend Developer for Bug Fixing

I need a skilled backend developer proficient in PHP, CodeIgniter, Java for problem-solving, to help in identifying and fixing bugs on existing APIs on my system. The developer must be able to deal with potential issues with API integration such as database connection errors, functionality problems, or need for performance optimization. This task requires a quick turnaround without compromising on quality.
Max rate is RS.500 per hour. Bid must come with MAX RATE ACCEPTED to be considered