Platform Engineer, APIs and Security
adaption
San Francisco
Posted Sep 24, 2026
- Full-time
- Remote
- Platform
Job description
## **The role** You'll build the multi-tenant platform that turns our inference infrastructure into a product enterprises and sovereign customers can trust. You'll own the systems between customers and our inference stack: authentication, tenant isolation, quotas, metering, entitlements, and the public API. Security and auditability are core product requirements, not layers added later. ## **Responsibilities** - Build the multi-tenant control plane, including credentials, quotas, rate limits, and tenant isolation. - Own our public inference APIs, including streaming, versioning, compatibility, and migrations. - Implement accurate usage metering, credit reservation, and entitlement enforcement. - Build enterprise capabilities such as SSO, access controls, audit logs, and data residency. - Test and continuously strengthen the tenant boundary. ## **Qualifications** - 5+ years in backend, infrastructure, or platform engineering, including ownership of a multi-tenant API or control plane. - Deep knowledge of authentication, credential management, rate limiting, quotas, and tenant isolation. - Strong Python skills and sound API design judgment, ideally with high-throughput or streaming APIs. - Experience with metering, billing, credits, or entitlements, including idempotency, reconciliation, and audit trails. - Experience with enterprise or regulated environments, such as SSO, SAML/OIDC, SOC 2, data residency, or sovereign deployments. Above all, we're looking for great teammates who make work feel lighter and aren't afraid to go out on a limb with bold ideas. You don't need to be perfect, but you do need to be adaptable. We encourage you to apply, even if you don't check every box. ## **About us** Most AI is frozen in place - it doesn't adapt to the world. We think that's backwards. Our mandate is to build efficient intelligence that evolves in real-time. Our vision is AI systems that are flexible, personalized, and accessible to everyone. We believe efficiency is what makes this possible - it's how we expand access and ensure innovation benefits the many, not the few. We believe in talent density: bringing together the best and most driven individuals to push the boundaries of continual adaptation. We're looking for builders and creative thinkers ready to shape the next era of intelligence. ## **Benefits** - **Flexible work**: In-person collaboration in the Bay Area, a distributed global-first team, and team offsites. - **Adaption Passport**: Annual travel stipend to explore a country you've never visited. We're building intelligence that evolves alongside you, so we encourage you to keep expanding your horizons. - **Lunch Stipend:** Weekly meal allowance for take-out or grocery delivery. - **Well-Being**: Comprehensive medical benefits and generous paid time off.