Hi,
I've read your job description carefully with big interesting.
I am a senior full stack web developer and web scraping expert with over 6 years of experiences, I'v built many complex web sites and extracted many data from various web site such as amazon, walmart, build, taobao and so on.
With my skills and experiences, I am confident I can provide you perfect result.
I am ready to start immediately.
I look forward to hearing from you.
I have a question.
I think Your budget is not suitable, so isn't that your budget negotiable?
Best regards,
Dave.