About
Jules Testard conducted research at UC San Diego and later worked as a software engineer at AWS, Docker, and Madhive, with a background in distributed systems.
julestestard @julestestard
If the entire app/service you offer can be summarized by a clever prompt you don’t have a product. But the real world has a lot more subtlety. For example with @gcast_app we spend so much time investigating every possible network configuration to make sure we are smooth and no
Jul 26, 2026
julestestard @julestestard
Had a break from X, I was focusing on something pretty cool, I did not want to be distracted. More coming soon ;)
Jul 23, 2026 · ♥ 1
julestestard @julestestard
911 DAU? How about 2730 DAU 3 days later? https://t.co/HLh814qpsu
Jun 29, 2026 · ♥ 2
Founder at Jam.gg (formerly Piepacker)YC S20
Intro paths
Jules went through Y Combinator (Summer 2020) — any YC alum in your network can reach them through the YC community.
In turn, Jules can intro founders to Jam.gg (formerly Piepacker)'s investors below.
Jam.gg (formerly Piepacker)'s investors · 2
Co-founders at Jam.gg (formerly Piepacker)
