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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
Systems Engineer
Mind Robotics · Palo Alto · Full-time
today Apply →
Sales Engineer
Ambient · Redwood City · Full-time
$125k - $140k today Apply →
Front Desk Agent
Flow · San Jose, CA · Full-time
$22/hr today Apply →
Network and Security Engineer, Defense
Applied Intuition · Sunnyvale · Full-time
$150k - $200k today Apply →
Full-Stack Engineer, C2 Command & Control
Applied Intuition · Sunnyvale · Full-time
$160k - $235k today Apply →
UX Product Design Intern - Winter 2027
Skydio · San Mateo, California, United States · Internship
today Apply →
Technical Program Manager, Defense OS
Applied Intuition · Sunnyvale · Full-time
$180k - $225k today Apply →
Senior Privacy Engineer
Roblox · San Mateo, CA, United States · Full-time
$224k - $272k today Apply →
Principal Software Engineer, Languages & Compilers
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k today Apply →
Sr/Principal Product Manager, Marketplace Discovery and Recommendations
Roblox · San Mateo, CA, United States · Full-time
$331k - $383k today Apply →
Software Engineer – Distributed Systems
Alluxio · Foster City, California · Full-time
this week Apply →
Senior Software Engineer- User Behavior
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k today Apply →
Senior Software Engineer, Ads Measurement
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k today Apply →
Sr. Marketing Analytics Specialist
Illumio · Sunnyvale, California - HQ · Full-time
$126k - $145k today Apply →
Software Engineer, Engine Harmony
Roblox · San Mateo, CA, United States · Full-time
$153k - $197k today Apply →
Safety Threat Investigator, Safety Investigations
Roblox · San Mateo, CA, United States · Full-time
$155k - $185k today Apply →
Robotics Integration Engineer, Tech Lead
Applied Intuition · Sunnyvale · Full-time
$180k - $210k this week Apply →
Product Designer, Marketing Systems
Roblox · San Mateo, CA, United States · Full-time
$177k - $215k this week Apply →
Autonomy Integration Engineer (Drone Stack)
Applied Intuition · Sunnyvale · Full-time
$120k - $175k this week Apply →
Senior Staff Software Engineer
Earnin · Mountain View, US · Full-time
this week Apply →
Manager, Product Support Operations
Roblox · San Mateo, CA, United States · Full-time
$174k - $207k this week Apply →
Technical Program Manager - Frontier AI Data Labeling
Hippocratic AI · Menlo Park, CA · Full-time
this week Apply →
Senior Software Engineer, Build Platform
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k this week Apply →
Compute Systems Architect - Expeditionary AI/HPC Data Centers
Anduril Industries · Mountain View, California, United States · Full-time
this week Apply →
Software Engineer, C++ (Onboard Platform)
Applied Intuition · Sunnyvale · Full-time
$125k - $222k this week Apply →
Principal Software Engineer, Build Platform
Roblox · San Mateo, CA, United States · Full-time
$345k - $399k this week Apply →
Senior Software Engineer - Ledger
Roblox · San Mateo, CA, United States · Full-time
$197k - $243k this week Apply →
Sr. Staff Engineer
Illumio · HQ - Sunnyvale (Office) · Full-time
$232k - $278k this week Apply →
User Researcher
Roblox · San Mateo, CA, United States · Full-time
$172k - $205k this week Apply →
Senior Technical Program Manager
TENEX.AI · San Jose, CA · Full-time
this week Apply →
Product Manager - Data Engine
Applied Intuition · Sunnyvale · Full-time
$175k - $250k this week Apply →
Corporate Legal Director (R6494)
Shield AI · San Mateo, California · Full-time
$270k - $400k this week Apply →
Senior Data Scientist
TENEX.AI · San Jose, CA · Full-time
this week Apply →
Senior Software Engineer - Frontend Platform
Applied Intuition · Sunnyvale · Full-time
$165k - $270k this week Apply →
Senior Embedded Software Engineer - Firmware
Applied Intuition · Sunnyvale · Full-time
$187k - $253k this week Apply →
Software Engineer | Developer Experience
Volta · Palo Alto, CA · Full-time
$200k - $290k this week Apply →
Software Engineer - Frontend Platform
Applied Intuition · Sunnyvale · Full-time
$165k - $270k this week Apply →
Software Engineer, Engine Productivity
Roblox · San Mateo, CA, United States · Full-time
$153k - $197k this week Apply →
Staff Software Engineer
Illumio · HQ - Sunnyvale (Office) · Full-time
$190k - $235k this week Apply →
Principal Machine Learning Engineer - Matchmaking
Roblox · San Mateo, CA, United States · Full-time
$295k - $345k this week Apply →
Senior Machine Learning Infrastructure Engineer, Matchmaking
Roblox · San Mateo, CA, United States · Full-time
$243k - $295k this week Apply →
Prototyping Specialist
Skydio · San Mateo, California, United States · Full-time
this week Apply →
Director, NPI Operations Engineering
Skydio · San Mateo, California, United States · Full-time
this week Apply →
Senior Software Engineer, Content Understanding
Roblox · San Mateo, CA, United States · Full-time
$197k - $279k this week Apply →
Principal Endpoint Platform Engineer
Roblox · San Mateo, CA, United States · Full-time
$231k - $267k this week Apply →
Territory Sales Representative / Restaurant Specialist - East San Jose, CA
SpotOn · San Jose, CA · Full-time
$120k - $275k this week Apply →
HR Business Partner – Engineering
Forward Networks · Santa Clara · Full-time
this week Apply →
Web Producer
Applied Intuition · Sunnyvale · Full-time
$140k - $190k this week Apply →
Engineering Manager
Earnin · Mountain View, US · Full-time
this week Apply →
Software Engineer (Sunnyvale, CA)
Applied Intuition · Sunnyvale · Full-time
$153k - $222k this week Apply →
Show more direct roles (1443 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.