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Senior/Principal Platform Engineer, ML Platform

San Mateo, CA💼 Full-time💰 $260,300–$260,300🗓 2026-09-15 → 2026-09-26

Core

Building the internal ML platform that powers hundreds of use cases (Discovery, Safety, Economy, Creation) by providing scalable primitives for training, evaluation, deployment, and operation of models.

Role type

Principal Platform Engineer (ML Infrastructure)

Builds

Scalable ML infrastructure primitives, APIs, SDKs, CLIs, and UIs for internal developers

Domain

Internet / Machine Learning Infrastructure

Deliverable

production ML models | infrastructure

Required skills

System design, API design, Developer experience, Infrastructure as code, Technical strategy, Cross-functional partnership, Mentorship

Preferred skills

End-to-end ML model lifecycle experience, GPU resource management, Model serving, ML CI/CD

Technologies

gRPC, REST, SDKs, CLIs, UIs

Responsibilities

Define requirements and ship APIs/SDKs/CLIs/UIs for the ML platform; Bootstrap and maintain core components (Serving Layer, Model Registry, Pipeline Orchestrator); Set technical strategy for high-scale infrastructure; Design developer experiences with paved-road templates; Instrument platform for adoption and reliability metrics; Partner with ML/Data/Infra teams to optimize performance and cost; Propose new tooling for the ML lifecycle; Mentor engineers and lead architectural decisions.

Seniority

Principal, hands-on IC with strategy & mentorship

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