SuperTokens
Hiring
What they do:
Open source alternative to Auth0 / AWS Cognito / Firebase Auth
Quick facts:
HQ: San Francisco, CA, United States
Top B2B Software Startups in California
This list has 2,349 startups and was last updated on Oct 15, 2026. 592 of them are hiring right now. Biggest hubs: San Francisco (2,110), Los Angeles (79), and San Diego (12). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,349 startupsPage 11 of 66
What they do:
ModernLoop helps teams automate and streamline recruiting operations
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Affogato AI — Your Agent for instant TikToks, Reels, and ads.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI SDET for mobile apps
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HQ: San Francisco, CA, United States
Dots 💸
Hiring
What they do:
Developer friendly drop in payouts infrastructure
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HQ: San Francisco, CA, United States
TeamOut
Hiring
What they do:
Online marketplace for team retreat venues
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HQ: Los Angeles, CA, United States
Dart
Hiring
What they do:
The work and agent management platform
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HQ: San Francisco, CA, United States
What they do:
Banking services for remote workers and digital nomads
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HQ: San Francisco, CA, United States
Julius
Hiring
What they do:
Build and analyze things with AI
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HQ: San Francisco, CA, United States
Coris
Hiring
What they do:
AI risk and ops platform for Payment Processors, Banks, SaaS…
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HQ: San Francisco, CA, United States
Rubbrband
Hiring
What they do:
A new kind of creative company.
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HQ: San Francisco, CA, United States
Reflex
Hiring
What they do:
The operating system for building mission-critical enterprise apps.
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HQ: San Francisco, CA, United States
What they do:
Social listening for the video era
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HQ: San Francisco, CA, United States
Magic Patterns
Hiring
What they do:
Go from idea to production with AI.
Quick facts:
HQ: San Francisco, CA, United States
Hammr
Hiring
What they do:
Rippling for the Construction Industry
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HQ: San Francisco, CA, United States
SafetyKit
Hiring
What they do:
AI agents for risk, compliance, and safety
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI Agents For RFP and Questionnaire Response Automation
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HQ: San Francisco, CA, United States
Zep AI
Hiring
What they do:
The unified context layer for enterprise data
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HQ: San Francisco, CA, United States
Coval
Hiring
What they do:
Simulation & Evaluation that scales voice and chat AI agents
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HQ: San Francisco, CA, United States
Mem0
Hiring
What they do:
The Memory layer for AI Agents
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HQ: San Francisco, CA, United States
Hamming AI
Hiring
What they do:
Complete QA platform for voice agents
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HQ: San Francisco, CA, United States
Pax
Hiring
What they do:
AI Broker for Tariff Refunds
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HQ: San Francisco, CA, United States
David AI
Hiring
What they do:
Data for audio AI
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HQ: San Francisco, CA, United States
Thunder Compute
Hiring
What they do:
GPUs for Agents
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HQ: San Francisco, CA, United States
CTGT
Hiring
What they do:
The deterministic layer for frontier intelligence
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HQ: San Francisco, CA, United States
Sim
Hiring
What they do:
Build autonomous AI agents for enterprise systems
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HQ: San Francisco, CA, United States
Bluejay
Hiring
What they do:
Test, monitor, and improve your voice and chat AI agents
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HQ: San Francisco, CA, United States
QualGent
Hiring
What they do:
AI Mobile App Quality Assurance Tester
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HQ: San Francisco, CA, United States
Besimple AI
Hiring
What they do:
Voice data for AI
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HQ: San Francisco, CA, United States
Vesence
Hiring
What they do:
AI for High-Stakes Work
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HQ: San Francisco, CA, United States
Godela
Hiring
What they do:
AI Physics Engine to replace simulations and prototypes
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HQ: San Francisco, CA, United States
AgentMail
Hiring
What they do:
Email Inboxes for AI Agents
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HQ: San Francisco, CA, United States
What they do:
AI that makes AI fast
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HQ: San Francisco, CA, United States
Reacher
Hiring
What they do:
We automate creator marketing for the world's largest brands
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HQ: San Francisco, CA, United States
Magnetic
Hiring
What they do:
AI Tax Preparer for CPA firms
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HQ: San Francisco, CA, United States
What they do:
AI Operating System for Legal Teams
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HQ: San Francisco, CA, United States