Activeloop
Hiring
What they do:
Database for AI
Quick facts:
HQ: San Francisco, CA, United States
Developer Tools Startups Hiring Now
This list has 187 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (129), New York (17), and London (9). Largest teams: Algolia, Checkr, and Amplitude. Latest round: Momentic raised $18.6M (Jan 27, 2026).
187 startupsPage 3 of 6
BuildBuddy
Hiring
What they do:
BuildBuddy provides enterprise features for Bazel — the open source…
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HQ: San Francisco, CA, United States
Meticulous
Hiring
What they do:
Automated e2e screenshot testing without writing or maintaining tests
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HQ: London, United Kingdom
Noloco
Hiring
What they do:
Flexible Business Apps for Modern Teams
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HQ: Dublin, Ireland
Velt
Hiring
What they do:
SDK for adding an agent and human governance layer to your product
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HQ: San Francisco, CA, United States
Omnistrate
Hiring
What they do:
Build your control plane to deploy your product in your customer VPC…
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HQ: San Francisco, CA, United States
Spur
Hiring
What they do:
Spur is the validation infrastructure enterprises use to ship at the…
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HQ: New York, NY, United States
Wordware
Hiring
What they do:
AI agents you can rely on
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HQ: San Francisco, CA, United States
Cekura
Hiring
What they do:
Voice AI and Chat AI agents: Testing and Observability
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HQ: San Francisco, CA, United States
Ditto
Hiring
What they do:
Manage the words across your team’s product from design to production.
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HQ: San Francisco, CA, United States
Svix
Hiring
What they do:
Enterprise ready webhooks service, open-source and in the cloud
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HQ: San Francisco, CA, United States
Cosine
Hiring
What they do:
Fully Agentic SWE
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HQ: London, United Kingdom
Unsloth AI
Hiring
What they do:
Open-Source Reinforcement Learning (RL) & Fine-tuning for LLMs.
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HQ: San Francisco, CA, United States
Wasmer
Hiring
What they do:
The Operating System for Edge Computing
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HQ: San Francisco, CA, United States
Twenty
Hiring
What they do:
Open Source CRM
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Skyvern
Hiring
What they do:
Open Source AI Agent to automate browser workflows via an API
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HQ: San Francisco, CA, United States
ParadeDB
Hiring
What they do:
You should just use Postgres.
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HQ: San Francisco, CA, United States
SuperTokens
Hiring
What they do:
Open source alternative to Auth0 / AWS Cognito / Firebase Auth
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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
Reflex
Hiring
What they do:
The operating system for building mission-critical enterprise apps.
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HQ: San Francisco, CA, United States
Boundary
Hiring
What they do:
The programming language for AI
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HQ: Seattle, WA, 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
Thunder Compute
Hiring
What they do:
GPUs for Agents
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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
aSim
Hiring
What they do:
Build and share apps with friends
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HQ: Seattle, WA, United States
IcePanel
Hiring
What they do:
Design and explain complex software architecture.
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HQ: North Vancouver, Canada
WarpBuild
Hiring
What they do:
Accelerate software development with WarpBuild's 10x faster CI infra.
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HQ: San Francisco, CA, United States
Silimate
Hiring
What they do:
Fast, efficient agents for chip design and debug
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HQ: San Francisco, CA, United States
Tempo
Hiring
What they do:
Visual Editor for React, powered by AI
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Conductor
Hiring
What they do:
Run a team of coding agents on your Mac
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HQ: San Francisco, CA, United States
Dedalus Labs
Hiring
What they do:
Persistent computers for AI agents
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HQ: San Francisco, CA, United States
Interfere
Hiring
What they do:
Give engineering, product, and design teams insight into unseen issues
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HQ: New York, NY, United States
Windmill
Hiring
What they do:
Open-source platform to turn scripts into internal apps & workflows
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Chima
Hiring
What they do:
Building infrastructure tools to help large companies customize their…
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HQ: San Francisco, CA, United States