What they do:
Beautiful, personalized, interactive developer hubs
Quick facts:
HQ: New York, NY, United States
Top Engineering, Product and Design Startups
This list has 629 startups and was last updated on Oct 15, 2026. 142 of them are hiring right now. Biggest hubs: San Francisco (360), New York (59), and London (22). Largest teams: GitLab, Optimizely, and Flock Safety. Latest round: Clueso raised $10M (Oct 13, 2026).
629 startupsPage 2 of 18
Authologic
Hiring
What they do:
Stripe for online identity verification
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Pirros
Hiring
What they do:
AI Platform for Architects and Engineers
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HQ: Los Angeles, CA, United States
What they do:
Glide turns spreadsheets into beautiful, intelligent apps.
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HQ: San Francisco, CA, United States
Great Question
Hiring
What they do:
User research on autopilot.
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HQ: San Francisco, CA, United States
What they do:
Email for developers
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HQ: Remote
What they do:
no-code end-to-end testing that integrates with any CI/CD pipeline
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HQ: San Francisco, CA, United States
What they do:
Mobot is a QA-as-a-service platform using actual mechanical robots
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HQ: New York, NY, United States
Rally
Hiring
What they do:
Agentic User Research Infrastructure
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HQ: New York, NY, United States
JuziBot
Hiring
What they do:
Intercom for WeChat, help companies to acquire, engage, retain…
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Stacksync
Hiring
What they do:
Real-time and two-way sync between CRMs and Databases
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HQ: San Francisco, CA, United States
authzed
Hiring
What they do:
Authorization Infrastructure securing AI at OpenAI, Zoom, & more
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HQ: New York, NY, United States
What they do:
Sourceress is an AI recruiter that is reinventing how people find jobs. With tailor-made machine learning models, we rigorously define what a company is…
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HQ: San Francisco, CA, United States
What they do:
Observability and Governance for AI-Generated Python scripts.
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HQ: Campinas, Brazil
Giga
Hiring
What they do:
AI Support Agent for Enterprises.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
AI code review agent with complete context of your codebase
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HQ: San Francisco, CA, United States
Reducto
Hiring
What they do:
The complete agentic document platform
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HQ: San Francisco, CA, United States
What they do:
Plaid for Brazil: we allow developers to access users' financial data
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Seam
Hiring
What they do:
API for IoT Devices
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HQ: San Francisco, CA, United States
Infracost
Hiring
What they do:
Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues
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HQ: Remote
Terra API
Hiring
What they do:
API for developers and AIs to access health data
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HQ: San Francisco, CA, United States
What they do:
Making it easy to sell personalized products online.
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HQ: St. Louis, MO, United States
testRigor
Hiring
What they do:
Executable specifications in English for test automation
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HQ: San Francisco, CA, United States
Mach9
Hiring
What they do:
AI CAD Software for Civil Engineering
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HQ: San Francisco, CA, United States
CodeAnt AI
Hiring
What they do:
Autonomous offensive and defensive cybersecurity platform
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HQ: San Francisco, CA, United States
What they do:
The Javascript framework for building AI agents, from the Gatsby devs
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HQ: San Francisco, CA, United States
Rutter
Hiring
What they do:
The Unified API for Business Financial Data
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HQ: New York, NY, United States
HUD
Hiring
What they do:
Platform and marketplace for RL environments and AI data
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HQ: San Francisco, CA, United States
SnapMagic
Hiring
What they do:
AI-assisted electronics design
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HQ: San Francisco, CA, United States
Entangl
Hiring
What they do:
Find & resolve issues in data center engineering & operations using AI
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HQ: San Francisco, CA, United States
What they do:
Environments as a service
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HQ: Los Angeles, CA, United States
Open
Hiring
What they do:
Enterprise AI customer support
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HQ: Amman, Jordan
Runway
Hiring
What they do:
Easier and more reliable mobile app releases for teams.
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HQ: New York, NY, United States
What they do:
Subscription infrastructure & paywall experimentation for mobile apps
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HQ: New York, NY, United States
Replo
Hiring
What they do:
Sell anything
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HQ: San Francisco, CA, United States
What they do:
We make Orca, MIT open source terminal-based agent orchestrator
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HQ: San Francisco, CA, United States