Senior Platform Engineer

About Us Machines will make decisions, move value, and coordinate on behalf of organizations, instantly, autonomously, and at unprecedented scale. But the systems that govern today’s economy weren’t designed for that world. Turnkey is building the infrastructure for this future: programmable guardrails that enable autonomy without sacrificing control. Founded by the team who scaled Coinbase Custody to $100M+ ARR and secured over $100B in crypto assets, we know how to move at pace without ever compromising on security. Our mission is to help the world operate an economy on autopilot, safely. We're low-ego, high-agency, and deeply technical. Our team consists of experts in cryptography, security, and systems who believe great infrastructure is invisible. We're building the trustless, programmable foundation for the autonomous economy, and we're hiring people who understand what that requires. Your role You’ll join a small platform team that works with nearly every engineering team at Turnkey . Your job is to help the whole org build faster, scale more confidently, and make better decisions, through the tooling you build, the practices you establish, and the systemic problems you find and fix before they become incidents. You’ll work independently across product and infrastructure teams on scaling and performance, gathering requirements and constraints from each team and turning them into shared solutions. This is a role for someone who has lived through what breaks between 1 an