Correção de Carta de Apresentação de Trabalho

Boa noite, como vão?
Estou escrevendo uma carta de apresentação de trabalho e gostaria de uma ajuda com a correção da mesma.
Aonde houver nomes das empresas, cidades ou estados, vou colocar "name"; "city"; "company" conforme as instruções para postagens aqui no fórum. Desde já, meu muito obrigado

"Hello, my name is "name", I have graduated in industrial chemistry technician since 2006.
I started my professional career in 2005 as a production operator at "company" in "city", "state".
In 2007, still in "city", I started at "company", as a outsourced employee. Initially as an environmental technician at "company", working with samples of chemical agents.
From 2008 to September 2013, I worked as a production operator, both in the control room and in the field, under "1st company" and "2nd company" work agreements.
After a while working with my father in his shoe shop, in June 2014, I started my activities at "company", my current employer, in "city", "state". Initially as a production operator, both in the control room and in the field. In 2018, I was promoted to operate a new area and with this new role, I was operating all production areas. In September 2019, I was promoted to production lead on my shift."

Desde ja, meu muito obrigado.

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- I have a graduation degree in..
- As an outsourcing employee
- Working agreements
- Shoes shop
- As a production leader on my shift