Proszę o pomoc!

I am writing to apply for the position of bartender .Having worked In his proffesion, i Am strongly convinced that my former experience and competence will be of great value for your business. For the last few years I have been consistently developing my skills and experience of working in various employment environments.
During my studies I was involved in restaurant like “XXXX” or “XXXXX”.
I have always a struggle to confort problems and have skills of solving them.
Yours faithfully.
XXXX

Czy gramatycznie dobrze to mam napisane...

I am writing to apply for the position of 'A' bartender. Having worked in
This 'proffesion' (ortog), 'i' (duza litera) am strongly convinced that my former experience and competence will be of great value for your business. For the last few years I have been consistently developing my skills and experience 'of' BY working in various employment environments.
During my studies I was 'involved' (slowo nie za bardzo - inne) in restaurant 'like' (nie prosze nie uzywac 'like' w ten sposob - jedna Restauracja nie moze byc 'like' inna- albo jest ta, albo tamta - (daj such as) “XXXX" 'or' AND “XXXXX".
...I have always a struggle to confort problems and have skills of
solving them....tego zdania nie rozumiem, i calkowicie ma inny styl niz poprzednie zdania.(ktore sam zrobiles, a ktore przepisales?)

"Involved"-jakim innym zwrotem pwinienem to zastąpić??
W tym drugim zdaniu..chciałem napisAć.."Mam zawsze siłę by stawić czoło problemom i mieć umiejętności rozwiązywania ich"...coś takiego:|

zamiast 'was involved' napisz po prostu 'worked' (in such restaurants as)

>>>I have always a struggle to confort problems and have skills of solving them.
...Mam zawsze siłę by stawić czoło problemom i mieć umiejętności rozwiązywania ich...
...dlaczego 'mam sile' rozumiesz jako 'I have a struggle'? i CONFRONT

a, napisz
I am always ready to confront problems effectively and solve them (chociaz solve znaczy to samo co 'confront effectively')