We (Zenysis) are a recent YC startup using technology to help Ministries of Health prevent epidemics and distribute vaccines in developing countries. Happy to talk if you want to learn more!

EDIT: We're in public health, but compensate competitively, offer significant equity and provide top-notch benefits.

Job posting on HN: https://news.ycombinator.com/item?id=13727071

Designer role: http://www.zenysis.com/designer.html