Hi, I am a full stack web developer and designer, I saw your post and after clearly reviewing your requirements, I had to find out that my skills and experience were matching your requirements and I would like to help you to fix the bug.
I believe I will do well on this project because I have relevant skills and experience working on a similar project such as yours and I will use skills from my previous experience to work on your project.
If you would like to learn more about me , please don't hesitate to contact me and am open for negotiations.