HI Bing H.,
I have gone through your requirements for "Need one main developer in the team.". Iam ready to do this for you.
We are a team of experience designers and developers and as per requirements, we can provide you an amazing work. Also I do have similar experience doing something similar to yours therefore I am looking forward to discuss and move ahead.
Relevant Skills and Experience
I have 10+ years of experience in Javascript, Ruby
I can do this within your budget too $25 - $50 USD / hour
Let's have chat so i can explain you in deep.
Thank you,
Regards,
Mmadi,
Flowgica Technologies.