Reflex

YC W23

The operating system for building mission-critical enterprise apps.

Batch
YC W23
Sector
B2B / SaaS
Stage
Seed
HQ
San Francisco

reflex.dev

Founder

Alek Petuskey
Alek PetuskeyCo-Founder

Photos with Lyra team

From the Lyra Capital network, updated 14 Nov 2026.