Eight years experience- Eight years' experience
electronicses- not sure what you mean here
upgrade and expand have contantly upgraded
will always my knowledge and skills- will always share
was earn during Polish- were earned during the Polish...
I was work- working
I have good predispositions- I'd say 'I believe I have what it takes to work abroad'
I am highly motivated person- a highly motivated person
Languages: Weak English- If you wrote this yourself, the 'weak' is a bit of an unerstimation. How about 'intermediate' or 'reasonable'
