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ML engineer - API Platform

San Francisco💼 Full-time🗓 2026-10-05 → 2026-10-07

Core

Building the API platform and developer tools that allow external partners to fine-tune, evaluate, and run low-latency inference on Physical Intelligence's foundation models for robotics.

Role type

Senior IC API Product Engineer (Developer Platform)

Builds

Model API, partner-facing tools, and multi-tenant inference infrastructure (via careerplan.io/jobs/14586c10-d913-43c5-8f7c-c77b5c438e4c-ml-engineer-api-platform-at-physicalintelligence)

Domain

AI Infrastructure / Developer Platforms / Robotics

Deliverable

production ML models

Required skills

Backend systems engineering, distributed systems, API design, multi-tenancy, low-latency inference, Python, observability, SLOs

Preferred skills

Developer platform experience, model fine-tuning infrastructure, real-time/streaming systems, security & auth

Technologies

Python, Postgres, ClickHouse, GCP, Kubernetes, Modal, React, TypeScript

Responsibilities

Build end-to-end model API including data ingestion, fine-tuning, and deployment; Architect scalable multi-tenant infrastructure; Operate low-latency inference systems; Integrate with existing infrastructure; Define developer platform abstractions

Seniority

Senior, hands-on IC