Senior Full Stack Engineer (Backend-Focused, SF, YC)

About the role

Pragmatike is partnering with a YC-backed AI technology start-up building ambitious products at the intersection of software, intelligence, and developer tooling. We're looking for a Senior Full Stack Engineer with a strong backend focus who thrives in fast-paced environments and enjoys taking ownership of complex technical systems from architecture through production. This role is ideal for someone who combines deep backend expertise with product-minded engineering and enjoys solving challenging infrastructure and scalability problems. You'll work closely with founders, engineering leaders, and product teams to build the systems that power next-generation AI products, helping shape both the technical foundation and future direction of the platform.