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Startup jobs in Silicon Valley

South of the city, the portfolio runs deep: Sunnyvale hardware floors, Peninsula AI labs, San Mateo product teams. Every open role between San Mateo and San Jose collects here. San Francisco proper has its own page.

1493 open roles · Search and filter on the board →
The speedrun talent teamWe're hiring a Product EngineerContract. Students and co-ops welcome. Build the tools job seekers use.>> send this to the best builder you know <<See the role
1493 roles · a16z portfolio plus wider market
Senior Supplier Quality Engineer - Camera
Skydio · San Mateo, California, United States · Full-time
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Controller
Periodic Labs · Menlo Park, CA · Full-time
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Principal Software Engineer - Streaming
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Manager, Solutions Engineering - Commercial, Emerging Industries
Skydio · San Mateo, California, United States · Full-time
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Communications Lead
Mind Robotics · Palo Alto · Full-time
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Manager, Solutions Engineering - Utilities
Skydio · San Mateo, California, United States · Full-time
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Senior Hardware Test and Reliability Engineer
Skydio · San Mateo, California, United States · Full-time
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Principal Data Scientist - Safety
Roblox · San Mateo, CA, United States · Full-time
$274k - $374k Apply →
Security Engineer - Incident Response
Replit · Foster City, CA · Full-time
$230k - $360k Apply →
Member of Technical Staff - Frontend
Armadin · Palo Alto · Full-time
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Member of Technical Staff - Distributed Systems
Armadin · Palo Alto · Full-time
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Member of Technical Staff - Agent
Armadin · Palo Alto · Full-time
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Principal Software Engineer, App Performance
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
NX CAD Support Engineer
Anduril Industries · Mountain View, California, United States · Full-time
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CAD Administrator
Anduril Industries · Mountain View, California, United States · Full-time
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NX Developer
Anduril Industries · Mountain View, California, United States · Full-time
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Vehicle Controls - Technical Lead
Applied Intuition · Sunnyvale · Full-time
$150k - $250k Apply →
Software Engineer - Low Speed Motion Planning & Control
Applied Intuition · Sunnyvale · Full-time
$125k - $232k Apply →
Senior Software Engineer (Full Stack), Global Actions
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k Apply →
Field Readiness Lead, Solutions Engineering
Skydio · San Mateo, California, United States · Full-time
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Senior Software Engineer, Service Mesh
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k Apply →
Automation Engineer
Periodic Labs · Menlo Park, CA · Full-time
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Head of Marketing Strategy & Operations
Replit · Foster City, CA · Full-time
$220k - $260k Apply →
Director, Product Marketing, Ecosystems and Growth
Illumio · Sunnyvale, California - HQ · Full-time
$229k - $275k Apply →
AI Silicon, Physical Design Engineer
Unconventional AI · Remote · Full-time
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AI Silicon, Analog CAD Engineer
Unconventional AI · Remote · Full-time
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Senior Software Engineer, Creator Collaboration
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
AI Silicon, DFT Engineer
Unconventional AI · Remote · Full-time
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Research Scientist, Scaling RL
Periodic Labs · Menlo Park, CA +1 · Full-time
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Vice President, Corporate Controller
Illumio · Sunnyvale, California - HQ · Full-time
$283k - $340k Apply →
Senior Product Sourcing Engineer, Counter Intrusion
Anduril Industries · Remote · Full-time
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Senior EMC Engineer
Anduril Industries · Mountain View, California, United States · Full-time
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Vice President, Customer Success (Life Sciences)
Hippocratic AI · Menlo Park, CA · Full-time
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Software Engineer, Engine Scalability
Roblox · San Mateo, CA, United States · Full-time
$153k - $197k Apply →
Research Scientist/Research Engineer, Midtraining
Periodic Labs · Menlo Park, CA · Full-time
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LLM Inference Engineer (Mid, Sr, Staff)
Hippocratic AI · Menlo Park, CA · Full-time
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Principal Software Engineer, Engine Systems
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Flight Test Engineer
Applied Intuition · Sunnyvale · Full-time
$150k - $200k Apply →
Principal Software Engineer, Build
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Lead Product Manager, Orchestrators
Hippocratic AI · Menlo Park, CA · Full-time
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Senior Fullstack Engineer, Reinforced Learning
Hippocratic AI · Menlo Park, CA · Full-time
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Mechanical Design Engineer, Plastics
Mind Robotics · Palo Alto · Full-time
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Director, Product Marketing
Hippocratic AI · Menlo Park, CA · Full-time
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Technical Lead Manager - Platform
Armadin · Palo Alto · Full-time
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Technical Lead Manager - Frontend
Armadin · Palo Alto · Full-time
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Senior Software Engineer, Reliability
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
Principal Software Engineer, Ads User Experience
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Operational Safety Lead - Defense
Applied Intuition · Sunnyvale · Full-time
$150k - $250k Apply →
Principal Software Engineer- Agentic Customer Care
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Safety Programs Lead
Applied Intuition · Sunnyvale · Full-time
$180k - $240k Apply →
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Roles here come straight from each speedrun portfolio company and refresh daily. Prefer warm intros over cold applying? Join the speedrun talent network: one signup, and we route you to the founders most likely to need you.