CareerPlan

Principal Engineer, Online Systems

San FranciscoFull-time$285k2026-07-01 → 2026-11-10

Core

Designing and operating Pinterest's most business-critical online systems at massive scale, ensuring reliability, efficiency, and evolution for core user and advertiser experiences.

Role type

Principal Engineer, Online Systems

Builds

Multi-region deployments, Kubernetes migrations, and the long-term vision for online serving infrastructure supporting machine learning and product innovation.

Domain

Internet / Distributed Systems / Infrastructure

Deliverable

infrastructure

Required skills

distributed systems, online serving, storage systems, caching systems, high availability, reliability engineering, scalability, performance optimization, infrastructure efficiency, C++, Java, Python

Preferred skills

cross-functional collaboration, strategic planning, technical leadership, mentorship, operational excellence

Technologies

Kubernetes, multi-region deployment

Responsibilities

Improve reliability, scalability, and infra efficiency for critical online systems across storage, caching, online service, and realtime analytics; Lead cross-functional strategic initiatives to modernize the online serving stack; Act as a quality champion for online systems and the broad engineering organization; Drive the online systems vision and strategy for the next 3+ years; Foster a diverse and inclusive engineering culture through mentorship and feedback.