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When should I write in or at while writing on a work place?

For example, should I write

Meet John, he is a data engineer in a gaming company.


Meet John, he is a data engineer at a gaming company.

marked as duplicate by Edwin Ashworth, jimm101, user66974, Scott, curiousdannii Oct 25 '16 at 1:12

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  • 2
    I'm confused. Your question asks about on vs in, but your examples are at vs in. – WS2 Oct 24 '16 at 19:48

At would be the preferred preposition in the case you provided, but it somewhat depends on the context.

Use at and for when describing the company.

I work at a gaming company.

I work for a gaming company.

Use on when describing the projects you do.

I work on video-games.

Use in when describing your field.

I work in video-game development.

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