A technical cofounder is the founding-team member with primary responsibility for building the product and technical architecture of a startup. Typically a senior engineer, full-stack developer, or technologist with both deep technical skills (sufficient to architect and build the MVP solo or near-solo) and founder-grade commitment (willing to work for equity rather than salary, taking on the risk and ownership of a founder rather than the role of an early employee). Often holds the CTO title and a meaningful equity stake (typically 25-50% in two-founder teams). The role is one of the most-sought-after and hardest-to-fill positions in the venture-backed startup ecosystem. It is the most common gap that non-technical foun...