Hey! I'm Yeiner Fernández — Software Engineer at [Attention.com](https://attention.com), building tools for sales teams. Outside work, I'm shipping [GardenOS](https://hayeshi.com) (a plant journal iOS app) via my consultancy [Hayeshi](https://hayeshi.com), and teaching Taekwondo to kids on Saturdays at my martial arts school. This microblog is for quick thoughts on distributed systems, product development, and learning in public. For longer essays: [yeinerf.com](https://yeinerf.com)
