"Hello,
Thank you for taking your time to review my application.
Reading the job details, I am very interested in your project and I believe I’m qualified for the task.
Regarding Python frameworks, I have 8+ years in this field and have worked on many successful projects in the past.
I am very skilled in Python Django/Flask.
If you are looking for a highly skilled and rich experienced developer with a deep knowledge, a professional attitude and excellent communication skills, I'm your man.
I'd like to talk more in details about the tasks.
I want to reassure you that I can turn it into a success, on time and within budget.
I look forward to hearing from you.
Warm Regards"