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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
Electrical Engineer (Sustaining/Validation)
Skydio · San Mateo, California, United States · Full-time
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Senior Marketing Strategist, Product
Earnin · Mountain View, US · Full-time
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Software Engineer, Enterprise Platform
Replit · Foster City, CA · Full-time
$130k - $290k Apply →
Software Engineer - Middleware
Applied Intuition · Sunnyvale · Full-time
$140k - $270k Apply →
Systems Architect - POSIX
Applied Intuition · Sunnyvale · Full-time
$204k - $318k Apply →
Senior Software Engineer, Replit Cloud
Replit · Foster City, CA · Full-time
$160k - $260k Apply →
Staff Software Engineer, Replit Cloud
Replit · Foster City, CA · Full-time
$265k - $390k Apply →
Software Engineer - Core Infrastructure
Genesis Molecular AI · San Mateo, CA · Full-time
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Robotics Software Engineer
Mind Robotics · Palo Alto · Full-time
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Research + Modeling
Mind Robotics · Palo Alto · Full-time
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Research Engineer
Mind Robotics · Palo Alto · Full-time
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Data Infrastructure Engineer
Mind Robotics · Palo Alto · Full-time
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Software Engineer, Enterprise
Replit · Foster City, CA · Full-time
$180k - $320k Apply →
Senior Software Engineer - Replication
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
Staff Software Engineer, Full Stack
Skydio · San Mateo, California, United States · Full-time
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Senior Software Engineer - Avatar Personalization
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k Apply →
Principal Software Engineer - Roblox Economy Platform
Roblox · San Mateo, CA, United States · Full-time
$294k - $343k Apply →
Member of Technical Staff
Darwin · Palo Alto · Full-time
$100k - $500k Apply →
Senior Software Engineer, Avatar Animation
Roblox · San Mateo, CA, United States · Full-time
$242k - $294k Apply →
Director of Product - Ads Performance
Roblox · San Mateo, CA, United States · Full-time
$383k - $439k Apply →
Software Engineering Manager, Engine UI
Roblox · San Mateo, CA, United States · Full-time
$294k - $343k Apply →
Staff Global Supply Manager, Mechanicals
Skydio · San Mateo, California, United States · Full-time
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Engineering Manager - Axion
Applied Intuition · Sunnyvale · Full-time
$204k - $343k Apply →
Autonomy Engineer - Deep Learning
Skydio · San Mateo, California, United States · Full-time
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Autonomy Engineer - Deep Learning Infrastructure
Skydio · San Mateo, California, United States · Full-time
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Senior Autonomy Engineer - Deep Learning
Skydio · San Mateo, California, United States · Full-time
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Autonomy Engineer - Deep Learning Model Acceleration
Skydio · San Mateo, California, United States · Full-time
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Autonomy Software Engineer
Skydio · San Mateo, California, United States · Full-time
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Senior Hardware Engineer - GPU & AI Infrastructure
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
AI Theory
Unconventional AI · Remote · Full-time
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Senior Software Engineer - Game Engine Systems (C++)
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
Strategic Consultant
Applied Intuition · Sunnyvale · Full-time
$120k - $160k Apply →
Senior Software Engineer - Data Access
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
AI Hardware Architecture
Unconventional AI · Mountain View, CA · Full-time
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AI Silicon, Analog Design
Unconventional AI · Mountain View, CA · Full-time
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Machine Learning Infrastructure Engineer
Genesis Molecular AI · San Mateo, CA · Full-time
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Software Engineer Intern
TENEX.AI · San Jose, CA · Internship
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Planning - Technical Lead
Applied Intuition · Sunnyvale · Full-time
$231k - $301k Apply →
Sr. Software Engineer, Full-Stack
Ambient · Redwood City · Full-time
$168k - $205k Apply →
Product Engineer
Periodic Labs · Menlo Park, CA · Full-time
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Research Scientist, Condensed Matter Theory
Periodic Labs · Menlo Park, CA +1 · Full-time
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Senior/Product Marketing Manager
Replit · Foster City, CA · Full-time
$130k - $200k Apply →
Software Engineer - ML Framework
Applied Intuition · Sunnyvale · Full-time
$153k - $222k Apply →
Sr. Member of Technical Staff - Platform
Illumio · Sunnyvale, California - HQ · Full-time
$172k - $198k Apply →
Senior Software Engineer, App Performance
Roblox · San Mateo, CA, United States · Full-time
$196k - $242k Apply →
Senior Machine Learning Engineer, Ads
Roblox · San Mateo, CA, United States · Full-time
$259k - $311k Apply →
High-throughput data generation to advance ML design
Inceptive · Palo Alto, CA · Full-time
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Distinguished Engineer, Machine Learning - Economy
Roblox · San Mateo, CA, United States · Full-time
$397k - $456k Apply →
Senior Software Engineer, Engine Systems
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k Apply →
Advancing Inceptive's commercial strategy
Inceptive · Palo Alto, CA · Full-time
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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.