Senior Software/AI Engineer

Pathos AI | Senior Software/AI Engineer + DevSecOps Engineer | NYC, ONSITE 3-4 days/wk | Full-time | $180-200K + equity | VISA (transfer only) Pathos is building Foundry, an AI-native platform pairing the largest foundation model in oncology with 200+ petabytes of multimodal patient data. Backed by a $365M Series D; pipeline now spans 4 clinical assets, including new licensing deals with AstraZeneca and Alphamabs. Small teams of 2-4 experts orchestrate hundreds of AI agents. NY-based candidates preferred. https://pathos.com Senior Software/AI Engineer: build AI agents/copilots for BD, clinical, comp bio, and lab teams, MCP-style servers, pipelines into a governed knowledge graph. ~6-8+ years, Python + TypeScript, shipped LLM workflows to production (LangGraph), own services end-to-end. DevSecOps Engineer: own security architecture for AI agent infra — threat models, agent permissioning, secure CI/CD, detection/IR for AI-native threats, HIPAA-aligned data governance. ~6+ years security eng, GCP, IaC, hands-on incident response. Apply: chris.poshka+hn@pathos.com — one sentence on relevant production work you've shipped.