Cosmin Harangus
Founder & Engineer
17+ years building complex software systems — from high-performance matching engines to microservice architectures. Previously CTO at Around 25, now focused on building ProactiveLabs full-time.
Software products, services, and digital assets — engineered for what comes next.
ProactiveLabs is a focused software studio building targeted products, services, and digital assets. We work at the intersection of robust engineering and emerging AI — crafting tools that are precise, performant, and built to last.
Founder & Engineer
17+ years building complex software systems — from high-performance matching engines to microservice architectures. Previously CTO at Around 25, now focused on building ProactiveLabs full-time.