Ephemera is building XMTP, an open and secure messaging network built to last forever. We operate like owners, and believe that our passion combined with grit, talent, and drive can change the world. If you are inspired by solving hard problems alon…

Cogram is an LLM-based productivity platform embedded in everyday communication tools: virtual meetings, in-person meetings, email, and more. Our clients range from small research labs to Fortune 500 companies, automating tasks to boost productivity…

Peregrine exists to help public safety organizations better protect their communities and the privacy of those they serve.

Rinse provides dry cleaning and laundry delivery services to customers in nine metropolitan areas in the US. We have sophisticated logistics optimization software, a polished consumer product, and firm business fundamentals. We're now almost a decad…

Mesa is on a mission to make homeownership more affordable and rewarding. We're building the homeowner membership category by rewarding consumers on all aspects of their homeownership spend. Mesa is led by a world-class team of repeat founders and f…

HN friends, Carma’s business is growing rapidly and we are in urgent need of an exceptional 10X full-stack founding software engineer (100% remote). We raised a top seed and were one of the highest-revenue generating companies in our batch. We are o…