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Platform Engineer Jobs in California.

California is the largest state economy in the United States, home to Silicon Valley technology, Hollywood entertainment, aerospace, agriculture, and a vast healthcare and services sector. Its job market stretches from the Bay Area to Los Angeles and San Diego. Browse jobs in California from companies hiring across every field.

Platform engineers build the internal tools and infrastructure that make other engineers productive. Explore platform engineer jobs from companies hiring worldwide.

Total jobs
788
positions indexed
New today
54
last 24 hours
Companies
325
actively hiring
Worldwide remote
2
from anywhere
role: Platform Engineer in: California Clear all
Sort Newest Top salary
Lunar
Staff Software Engineer, Platform
Lunar
⚡ Apply early San Francisco Onsite $190,000–$250,000
● New 👁 Seen ✓ Applied 4w ago
Liquid AI
Member of Technical Staff - GPU Infrastructure Engineer
Liquid AI
⚡ Apply early San Francisco Hybrid
● New 👁 Seen ✓ Applied 4w ago
Lassie
Software Engineer, Platform
Lassie
⚡ Apply early San Francisco, CA Onsite
● New 👁 Seen ✓ Applied 4w ago
Lambda
Senior Site Reliability Engineer - Core Cloud Platform
Lambda
⚡ Apply early San Francisco Office (Fremont... Hybrid $240,000–$356,000
● New 👁 Seen ✓ Applied 4w ago
LangChain
Senior Backend Software Engineer, AI Observability & Evals Platform (LangSmith)
LangChain
⚡ Apply early San Francisco, CA Onsite $175,000–$240,000
● New 👁 Seen ✓ Applied 4w ago
LangChain
FullStack Engineer, AI Observability & Evals Platform (LangSmith)
LangChain
⚡ Apply early San Francisco, CA Onsite $145,000–$180,000
● New 👁 Seen ✓ Applied 4w ago
Lambda
Senior Software Engineer - Core Cloud Platform
Lambda
⚡ Apply early San Francisco Office (Fremont... Hybrid $296,000–$346,000
● New 👁 Seen ✓ Applied 4w ago
Lambda
Senior Software Engineer - Infrastructure Storage
Lambda
⚡ Apply early San Francisco Office (Fremont... Hybrid $266,000–$395,000
● New 👁 Seen ✓ Applied 4w ago
LangChain
Senior Fullstack Engineer, AI Observability & Evals Platform
LangChain
⚡ Apply early San Francisco, CA Onsite $175,000–$240,000
● New 👁 Seen ✓ Applied 4w ago
Lambda
Staff Software Engineer - Infrastructure Storage
Lambda
⚡ Apply early San Francisco Office (Fremont... Hybrid $314,000–$465,000
● New 👁 Seen ✓ Applied 4w ago
Lambda
Senior Platform Engineer - Core Infrastructure
Lambda
⚡ Apply early San Francisco Office (Fremont... Hybrid $230,000–$340,000
● New 👁 Seen ✓ Applied 4w ago
Lambda
Senior HPC Platform Hardware Engineer
Lambda
⚡ Apply early San Jose Office (Zanker) Hybrid $255,000–$340,000
● New 👁 Seen ✓ Applied 4w ago
Koah
Software Engineer - Platform
Koah
⚡ Apply early San Francisco Onsite $180,000–$250,000
● New 👁 Seen ✓ Applied 4w ago
Kira
Senior Software Engineer (Backend, Infrastructure Focus)
Kira
⚡ Apply early San Francisco Hybrid $180,000–$250,000
● New 👁 Seen ✓ Applied 4w ago
Julius AI
Software Engineer - Infrastructure (Mid - Senior)
Julius AI
⚡ Apply early San Francisco, CA Onsite $150,000–$200,000
● New 👁 Seen ✓ Applied 4w ago
Inworld
Staff / Principal Platform Engineer - USA
Inworld
⚡ Apply early Mountain View, California, USA Hybrid $280,000–$350,000
● New 👁 Seen ✓ Applied 4w ago
Inngest
Distributed Systems Engineer - Platform
Inngest
⚡ Apply early US/Remote · location restricted
● New 👁 Seen ✓ Applied 4w ago
HUD
Platform Engineer
HUD
⚡ Apply early San Francisco Onsite
● New 👁 Seen ✓ Applied 4w ago
HomeVision
Staff Engineer, Agentic Productivity and Infrastructure - San Francisco
HomeVision
⚡ Apply early San Francisco Hybrid
● New 👁 Seen ✓ Applied 4w ago
Harvey
Frontend Platform Engineer
Harvey
⚡ Apply early San Francisco Hybrid $193,400–$290,000
● New 👁 Seen ✓ Applied 4w ago
Harvey
Staff Software Engineer, Model Infrastructure
Harvey
⚡ Apply early San Francisco Onsite $236,000–$290,000
● New 👁 Seen ✓ Applied 4w ago
Harvey
Staff Software Engineer, Core Infrastructure
Harvey
⚡ Apply early San Francisco Onsite $236,000–$290,000
● New 👁 Seen ✓ Applied 4w ago
Harvey
Frontend Platform Engineer
Harvey
⚡ Apply early New York Hybrid $193,400–$290,000
● New 👁 Seen ✓ Applied 4w ago
Hayden AI
Senior Software Engineer, Infrastructure
Hayden AI
⚡ Apply early San Francisco HQ Office Hybrid $175,579–$228,253
● New 👁 Seen ✓ Applied 4w ago
Harvey
Senior Software Engineer, AI Platform
Harvey
⚡ Apply early San Francisco Hybrid $185,000–$325,000
● New 👁 Seen ✓ Applied 4w ago

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