“With many eye-balls on the code, all bugs are shallow.” Colleagues and experts can help position and improve your work, certainly if it needs to be reused by them.
Organize a group of representative experts and have them look at your work in a structured way. Peer reviews can have formal and less formal forms, but their quality depends on two factors: the right experts and the right instructions for looking at and reporting about your work.
Peer review is applied in many forms in practice, both formal and informal. Peer programming and heuristic evaluations are well known forms of peer review.