
Staff Backend Engineer - Second Horizon | US | Remote
Build the first production services for a context layer management system: ingestion, indexing, retrieval orchestration, APIs, and agent-facing integrations. Help define a scalable multi-tenant SaaS foundation (tenant isolation, quotas, audit logs, background jobs), instrument and operate services, and contribute to technical direction. Requirements include experience delivering production software, working with LLMs/GenAI and prompt engineering, cloud-native environments (AWS/GCP/Azure), and observability tools.