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.
1491 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 role1491 roles · a16z portfolio plus wider market
(General Hire) Machine Learning Scientist Graduate (TikTok Recommendation) - 2027 Start (PhD)
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(General Hire) Research Scientist Graduate(TikTok Recommendation) - 2027 Start (PhD)
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Backend Software Engineer Graduate (Business Governance) - 2027 Start
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Backend Software Engineer Graduate (Emerging Products & AI Safety) - 2027 Start
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(General Hire) Software Engineer Intern (Trust and Safety-Engineering) - 2027 Summer
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Research Scientist Intern (Data-TnS-Algo-Foundations & Intelligence Service) - 2027 Start (PhD)
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Research Scientist Intern (Trust and Safety - CV/NLP/Multimodal LLM) - 2027 Start (PhD)
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(General Hire) Machine Learning Engineer Intern (Trust and Safety - CV/NLP/Multimodal LLM) - 2027 Summer
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Research Scientist Intern (TikTok-Data-Content Intelligence) - 2027 Start (PhD)
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Research Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD)
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Machine Learning Scientist Intern (TikTok-Recommendation) - 2027 Start (PhD)
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(General Hire) Machine Learning Engineer Intern (TikTok-Recommendation) - 2027 Summer
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Product Strategy Analyst Project Intern (TikTok-Product-Business Analytics) - 2026 Start (BS/MS)
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Leave of Absence Analyst Project Intern (HROP) - 2026 Start (BS/MS)
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Payroll Analyst Project Intern (HROP) - 2026 Start (BS/MS)
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Forward Deployed Infrastructure Engineer, Internship - US Government
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Global Product Operations Manager Project Intern (Global Business Solutions) - 2026 Start (BS/MS)
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Software Engineer - New Grad
Wider market $100k - $180k Apply →
Applied Scientist Intern (Recommendation AI Lab) - 2026 Start (PhD)
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NewsBreak Venture, AI Growth Intelligence Engineer (New Grad）
Wider market $135k - $155k Apply →
Product Solutions and Operations - Project Intern (Global Monetization Product and Technology) - 2027 Start
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Product Manager Vertical Search Ads Mandarin Speaking Project intern (Content and Service Ads) - 2026 Start (BS/MS)
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AGS Training Services New Product (NPI) Instructor (Early Career)
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Financial Analyst I Intern
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AI Research Internship - WM
Wider market $100k - $140k Apply →
Strategy Product Manager Project Intern (TikTok-Platform Responsibility) - 2026 Start
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Research Internship
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AI Infra Onboard Performance Intern
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AI software Engineer Project Intern (Transaction Platform) - 2026 Start (BS/MS)
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Product Manager Shop Ads Creative Project Intern (Ads Interface and Platform) - 2026 Start (BS/MS)
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Research Intern, Agent RL Training
Wider market $35 - $50/hr Apply →
Global Agency Acquisition Project Intern (Scaled Growth) - 2026 Start (BS/MS)
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Research Intern
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Product Manager Project Intern (Ads Interface and Platform) - 2026 Start (BS/MS)
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Research Scientist Graduate (Compute Platform - Database Acceleration)- 2026 Start (PhD)
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Software Engineering Intern (Summer 2026)
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Software Engineer Project Intern (Recommendation Infrastructure, TikTok Video Social) - 2026 Start (BS/MS)
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Data Knowledge System Research Scientist Graduate (Data Platform-Global Live) - 2027 Start (PhD)
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Software Engineer Project Intern (Model Infrastructure) - 2026 Start (BS/MS)
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Software Engineer Project Intern (Content AI Infrastructure) - 2026 Start (BS/MS)
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2026 Summer Intern - Physics & AI modeling Engineering
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HR Business Partner Project Intern (GMPT) - 2026 Start (BS/MS)
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Product Manager Project Intern (GMPT Sales and Operations Management Platform) - 2026 Start (BS/ MS)
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Software Engineer Intern
Wider market $40 - $60/hr Apply →
(General Hire) Designer Project Intern (TikTok-Design) - 2026 Start (BS/MS)
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AI Product Operations Project Intern (TikTok-Platform Responsibility-Teen Experience) - 2026 Start (BS/MS)
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Data Scientist Project Intern (TikTok Integrity and Safety) - 2026 Start
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Hardware Engineering Intern
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Product Manager Intern
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Data Science Intern (Advertisement Team) - 2026 Start (PhD)
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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.