Ask HN: How can a back-end engineer find a front-end engineer to collaborate?

I'm a back-end engineer (Ruby, Rails, Node.js). I have enough skills to get by on the front-end, but my UI/UX skills are just average.

I make use of good tools and open source stuff like Bootstrap and other front-end libraries/frameworks, but I'm afraid my project won't succeed with my mediocre front-end skills.

How can I find (as an engineer, not an idea guy) a front-ender to work on my project with me and split ownership? I have high hopes for this project and ideally could bootstrap and see where it goes. It's a SaaS web app that doesn't have many technical challenges or barriers, in a niche space where this market hasn't been targeted.