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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
Head of People
Periodic Labs · Menlo Park, CA · Full-time
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Forward Deployed Software Engineer
Applied Intuition · Sunnyvale · Full-time
$130k - $200k Apply →
Software Engineer, AI Infrastructure - LVM Inference & Evaluation
Ambient · Redwood City · Full-time
$168k - $205k Apply →
Prediction and Planning - Technical Lead
Applied Intuition · Sunnyvale · Full-time
$200k - $300k Apply →
Senior Software Engineer - Machine Bootstrap
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k Apply →
Senior Director, Privacy, Product and Platform Security
Roblox · San Mateo, CA, United States · Full-time
$458k - $526k Apply →
Legal Operations Manager
Applied Intuition · Sunnyvale · Full-time
$160k - $210k Apply →
Customer Technical Program Manager, Vehicle OS
Applied Intuition · Sunnyvale · Full-time
$115k - $222k Apply →
Senior Network Engineer (R5667)
Shield AI · San Mateo, California · Full-time
$140k - $211k Apply →
Engineering Manager, App Performance
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k Apply →
Software Engineer, Engine Infrastructure
Roblox · San Mateo, CA, United States · Full-time
$182k - $227k Apply →
Principal Machine Learning Engineer, Alt Defense
Roblox · San Mateo, CA, United States · Full-time
$329k - $399k Apply →
Vendor Operations, Automation
Roblox · San Mateo, CA, United States · Full-time
$145k - $174k Apply →
Senior Site Reliability Engineer, Compute
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k Apply →
Creative Director
Roblox · San Mateo, CA, United States · Full-time
$231k - $270k Apply →
Staff Business Systems Analyst – Procure to Pay (R5879)
Shield AI · San Mateo, California · Full-time
$140k - $210k Apply →
Staff Business Systems Analyst – Record to Report (R5880)
Shield AI · San Mateo, California · Full-time
$140k - $210k Apply →
Staff Business Systems Analyst – Order to Cash (R5881)
Shield AI · San Mateo, California · Full-time
$140k - $210k Apply →
Senior Manager, Corporate Finance (R5631)
Shield AI · San Mateo, California · Full-time
$170k - $250k Apply →
Senior RF Design Engineer
Skydio · San Mateo, California, United States · Full-time
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Senior Software Engineer - Cloud Infrastructure
Applied Intuition · Sunnyvale · Full-time
$190k - $270k Apply →
Senior Engineering Manager, Ads Data Platform
Roblox · San Mateo, CA, United States · Full-time
$345k - $399k Apply →
IT Operations Lead
Mind Robotics · Palo Alto · Full-time
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Cohort 0
Replit · Foster City, CA · Internship
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Systems Integration and Test Engineer (Senior to Staff Level)
Skydio · San Mateo, California, United States · Full-time
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Systems Integration and Test Engineer
Skydio · San Mateo, California, United States · Full-time
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Flight Test Intern - Summer 2027
Skydio · San Mateo, California, United States · Internship
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Product Design Engineer Intern
Skydio · San Mateo, California, United States · Internship
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Privacy & Security Counsel
Roblox · San Mateo, CA, United States · Full-time
$168k - $212k Apply →
Computational Scientist, Differentiable Physics
Periodic Labs · Menlo Park, CA · Full-time
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Senior Frontend/Fullstack Software Engineer, Sharing
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
Autonomy Engineer Intern, Computer Vision / Deep Learning, 2027
Skydio · San Mateo, California, United States · Internship
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Sensor Validation Engineer (Sunnyvale, CA)
Applied Intuition · Sunnyvale · Full-time
$122k - $230k Apply →
Senior Validation Engineer (Sunnyvale, CA)
Applied Intuition · Sunnyvale · Full-time
$120k - $190k Apply →
Staff Cloud Engineer (R5801)
Shield AI · San Mateo, California · Full-time
$182k - $274k Apply →
Sr. Staff Lead Site Reliability Engineer (R5803)
Shield AI · San Mateo, California · Full-time
$220k - $340k Apply →
Senior Accountant
Forward Networks · Santa Clara, CA · Full-time
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Software Engineer
Cowboy Space Corporation · San Carlos, CA or Kent, WA · Full-time
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Senior Software Engineer
Cowboy Space Corporation · San Carlos, CA or Kent, WA · Full-time
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Sr. Engineering Manager, Analytics and Applied AI
Illumio · HQ - Sunnyvale (Office) · Full-time
$238k - $285k Apply →
Member of Technical Staff - AI Training Platform
Unconventional AI · Mountain View, CA or Greater Seattle Area · Full-time
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Cybersecurity Software Engineer - New Grad (2027)
Applied Intuition · Sunnyvale · Full-time
$130k - $158k Apply →
Forward Deployed Engineer - New Grad (2027)
Applied Intuition · Sunnyvale · Full-time
$130k - $158k Apply →
Data Analyst - Billing Systems
Sprinter Health · Menlo Park, CA · Full-time
$100k - $120k Apply →
Senior Software Engineer, Frontend (App Foundations)
Roblox · San Mateo, CA, United States · Full-time
$242k - $313k Apply →
Summer 2027 Internship - Member of Technical Staff - Agent Systems
Armadin · Palo Alto · Internship
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[2027] Associate Product Manager, Early Career
Roblox · San Mateo, CA, United States · Full-time
$143k Apply →
[2027] Associate Product Designer, Early Career
Roblox · San Mateo, CA, United States · Full-time
$140k Apply →
Enterprise Security Engineer
Applied Intuition · Sunnyvale · Full-time
$140k - $180k Apply →
Technical Program Manager - Trucking Operations
Applied Intuition · Sunnyvale · Full-time
$115k - $222k Apply →
Show more direct roles (993 remaining)

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.