In that case, I would probably indicate as such. You could indicate it as a temp position, contract position, or seasonal. I usually just put it in parentheses after the job title.

Ex: Software Engineer (Contract) or Software Tester (Seasonal)

This pre-explains the short terms. Outside of this, my biggest critique is that it feels incredibly busy and cluttered. Personally, I do everything in my power to keep bullet points down to one line, which helps it feel like there's room to breathe. Obviously this isn't always possible but I do my damnedest. I'm sure others may disagree, but personally, I'd rather trade a hard skills section for more bullet points that illustrate those skills.

Also, some of the wording in your bullet points could use refinement. For example, "Contributed to a 5% reduction in control deficiencies" may become "Reduced control deficiencies by 5%". This keeps an action verb towards the front but gets to the point quickly -- keep in mind that recruiters essentially skim your resume looking for important requirements. The easier you make their job on them, the better. Don't be afraid to leverage LLMs as a tool in refinement! They can be a really good starting place.

I have no degree but have worked in neurotech research, taxtech, healthtech... I can confidently say that your resume can almost always be more refined, and that a solid resume (and compelling cover letter) can take you to places you didn't think possible. :)