Dear sir
I read your job description carefully and I think I’m very qualified for your project.
I’m Android Senior Developer.
I have expertise technical experience of android app develop with the best practical solutions for 7 years,
Please check my profile and job history.
https://www.freelancer.com/u/assuranceDev.html
Could you please discuss more details?
If you select me, I will show you my best skill and my effects.
I can deliver high-quality result to you, fast turnaround time.
Thank you for the opportunity to submit my proposal for your project.
Best regards.