Dear Poland Client! How are you?
I am Yukai from China.
I have read your project description carefully.
I am a senior frontend developer, and i am familiar with react, angular, mongo..., so I can make good result you hope.
Please check my profile page to know me more.
I will do my best for your affair's success and our good relationship in the future.
Hope you the best luck in everything you do.
See you soon again, Kindly regards...