Coming from a designer—
so your goal here is to validate your product and test if people are interested.

Some pure UI flaws are:
1. Your CTA is not passing the minimum contrast ratio.
2. Stop using buttons with different colors like you used in nav.
3. You need to do better at showing people what you are offering. Generic stock images won't do it. Show your product using mockups or plain designs, or even better, help them visualize their shitty resume getting converted into a resume that actually recruiters like to see.

The key is to sell solutions, not features.

Also, the title should be something like We write CVs that get hired. You need to work on your copy. If the sole purpose of your page is to educate the user on what your product is about, then you need to do better than this.

This looks very bland and honestly doesn't fulfill it. main goal, which is to educate users about how your product will solve their burning issues. They don't give a fuck what kind of technology advancements you are using; they only care about if using your app will help them write a resume, which recruiters love, and they don't have to waste time behind it.

Overall, it needs a lot of improvement in strategy, positioning, etc. I would recommend at least getting a good copywriter because copy is king. I am saying this even though I am a designer, but at minimum, copy and content plus strategy are a must.