麻烦哪位好心人帮我看看我的英文自我介绍，语法上有没有错误，谢谢

Question

Goodmorning, my name is Jack.
I am 30 years old.married with a child.and I graduated from shanghai institute of business and technology in 2005.After that,I used my spare time to study for a degree. And graduated from east china university of science and technology.
I am optimistic and easygoing.At work,I am also a careful person and have the team spirit of cooperation.
I have been in this company for 4 years and a half,my responsibility is to check and analysis completed ships cost, to issue VAT invoices and online tax declaration, to prepare accounting voucher,to reconciliation with customers, making financial reports in monthly.

Answer 1

有几个地方可以改改
I am married, and I have a child(不然会有歧义)
I spent my spare time to .....
I am a ..... person
four and half years
make financial reports monthly
总体还挺好, 口语面试这样就挺好了, 而且你这还是专业方面介绍.
加油

Answer 2

married with a child.不对，married，have one child。
After that,I got an extra degree from east china university of science and technology using my spare time.
to check and analyze...
to make financial reports monthly

不知你书面还是口头。。。

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口语上的自我介绍