James A Rosen

Staff Engineer

James A Rosen, pixelated, wearing a bow tie


I'm working as a staff software engineer addressing the climate crisis with Clarasight. I do a mix of software development, coaching, architecture, and process improvement. Technologies I'm using these days include TypeScript, React, Zod, Next.js, NestJS, PostgreSQL, and Trigger.dev.


My wife and I moved to Napa a few years ago. We live right near downtown and enjoy taking advantage of the worldclass restaurants and wineries in our neighborhood. We welcomed a daughter, Louise, in spring of 2022. I love playing in the garden with her and watching her explore the world. We read a lot of Chris Haughton books together in English and French.


I'm on the Slow Down Napa steering committee where I advocate for pedestrian safety, micro-mobility access, and road diets in Napa, California.


I enjoy cooking and try to do at least one experiment each week. I also enjoy gardening. I just harvested the first artichokes of the season and expect an abundance of blackberries in a month or two. You can find me on Peloton as jamesarosen, though I'm not getting as many workouts in as I'd like. It's been a month since I last practiced my clarinet and over a year since I've done any woodworking.

This now page was last updated