Must have 8+ years of software engineering experience, with a track record of building production systems from zero Deep expertise in infrastructure: Linux, containers (Docker), VMs (Firecracker or similar), networking, cloud platforms (AWS strongly preferred) Strong Python skills and comfort with async/concurrent systems Experience building platforms or developer tools (not just consuming them) Full-stack capability: backend services, infrastructure-as-code, APIs, and frontend development (React or similar) for customer-facing interfaces Demonstrated ability to work autonomously with minimal specification, making sound architectural decisions under ambiguity Comfort working directly with external customers and translating technical constraints into engineering solutions English fluency (written and verbal) for customer-facing communication