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Andreessen Horowitz

Global venture capital firm investing in technology companies.

aicryptofinancial-servicesfintechgamingwealth-management

a16z.com ↗ LinkedIn ↗

Company facts

Growth-stage

Founded: 2009
Employees: 500
Headquarters: United States
CEO: Marc Andreessen and Ben Horowitz
Type: Private
Subsidiaries: a16z Crypto, a16z New Media

About

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests in technology‑focused companies at any stage—from seed to late‑stage—across sectors such as consumer, enterprise, bio/healthcare, crypto, fintech, and gaming. Leveraging a team of partners who are former founders, CEOs, and CTOs, a16z offers portfolio companies access to a deep network of technical talent, executive expertise, and industry connections. This integrated support helps entrepreneurs accelerate product development, market entry, and growth, positioning them for long‑term success.

Company facts

Growth-stage

Founded: 2009
Employees: 500
Headquarters: United States
CEO: Marc Andreessen and Ben Horowitz
Type: Private
Subsidiaries: a16z Crypto, a16z New Media

About

Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz. It invests in technology‑focused companies at any stage—from seed to late‑stage—across sectors such as consumer, enterprise, bio/healthcare, crypto, fintech, and gaming. Leveraging a team of partners who are former founders, CEOs, and CTOs, a16z offers portfolio companies access to a deep network of technical talent, executive expertise, and industry connections. This integrated support helps entrepreneurs accelerate product development, market entry, and growth, positioning them for long‑term success.

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27 jobs

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Andreessen Horowitz

Senior Backend Engineer

HybridNorth AmericaFull-timeSenior

Senior Backend Engineer at ZeroDrift (a16z-backed startup) building AI-native enforcement infrastructure that checks AI messages against rules before they're sent. Day to day: low-latency APIs, proxies, SDKs, and a policy backend in Go/Python/Java/Node with distributed systems, cloud, containers, and CI/CD. Hybrid, 3 days/week in NYC.

Agentic AI AI API CI/CD Cloud +3 skills

180K – 220K $

Andreessen Horowitz

Senior Product Marketing Manager

HybridNorth AmericaFull-timeSenior

About ZeroDrift ZeroDrift is building the AI native compliance enforcement infrastructure for enterprise communication. We are the first platform that enforces the rules before an AI message is ever sent, fixing…

Sales Enablement

Andreessen Horowitz

Founding Software Engineer

On-siteNorth AmericaPart-time

We’d love for you to join Basis . Rapid advances in frontier AI are shaping how billions of people work, learn, & live every day. Much of this advancement is due to scaling (more compute + more/better data → better…

AI Data Quality Deep Learning Fine Tuning LLM +1 skills

Andreessen Horowitz

Founding Engineer

On-siteNorth America

About Cluster Cluster’s mission is to become the infrastructure layer between agents and markets. Since launching a few months ago, we’re already helping 50+ high growth startups (among them other a16z speedrun and YC…

AI API Data Modeling Python TypeScript

Andreessen Horowitz

Partner 6, Executive Assistant, New York

Open 25d On-siteNorth America

Founded in Silicon Valley in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (aka a16z) is a venture capital firm that backs bold entrepreneurs building the future through technology. We are stage…

AI Databricks Figma Fintech GitHub +1 skills

Andreessen Horowitz

Partner 20, Social Media Lead, Crypto

Open 25d RemoteNorth AmericaLead

Founded in Silicon Valley in 2009 by Marc Andreessen and Ben Horowitz, Andreessen Horowitz (aka a16z) is a venture capital firm that backs bold entrepreneurs building the future through technology. We are stage…

Content Marketing Go-to-Market

Andreessen Horowitz

Founding Senior Engineer

North AmericaFull-timeSenior

Founding Senior Engineer Baro · The AI General Manager for consumer brands · NYC (Hybrid) · Full-time About Baro Baro is the AI General Manager for consumer brands, helping them grow faster, run leaner, and reach the…

Agentic AI AI API Data Modeling E-commerce +4 skills

Andreessen Horowitz

Founding Engineer (Physical AI Infrastructure)

On-siteNorth America

The role: Build the control plane and data plane for physical AI. Munari must run training, simulation, evaluation, data processing, and inference workloads across public cloud, customer-owned infrastructure, robotics…

AI API ClickHouse Cloud Developer Experience +15 skills

Andreessen Horowitz

Founding Engineer (Edge Systems)

On-siteNorth America

The Role: Build the software that lives next to—or directly inside—the robot. Munari’s edge runtime must capture and synchronize high-rate multimodal data, run local models and detection logic, manage policy execution,…

Anomaly Detection C++ CUDA Distributed Systems Linux +3 skills

Andreessen Horowitz

Founding ML Engineer

On-siteNorth America

The role: Own the loop from raw robot experience to a model running on real hardware. Munari observes what robots see, sense, decide, and do. We want to use that data to detect abnormal behavior, understand failures,…

Anomaly Detection CUDA Data Pipelines Distributed Training JAX +6 skills

Andreessen Horowitz

Member of Technical Staff, Intern

On-siteNorth AmericaInternshipIntern

At Primitive Labs our mission is to make human behavior a first-class primitive of software development. As an intern at Primitive Labs, you will build at the frontier alongside the founding team, across both research…

Andreessen Horowitz

Member of Technical Staff, Research

On-siteNorth America

At Primitive Labs our mission is to make human behavior a first-class primitive of software development. In this role, you will build the research systems behind our behavioral intelligence agents. Your work will span…

AI AWS Machine Learning OpenAI Technical Writing

Andreessen Horowitz

Founding Engineer

HybridNorth America

We are hiring a Founding Engineer to build and scale the systems that power Maestro — in person, in Austin. This role sits at the intersection of engineering, product, and operations. You will work directly with the…

Agentic AI AI API Automation Fintech +3 skills

Andreessen Horowitz

AI Engineer

HybridNorth America

About the Company Kanu AI is your organization’s AI coworker that deploys in your own cloud, continuously learns from your data, team intelligence, and outputs, and uses that knowledge to encode and maintain workflows…

AI Cloud Data Pipelines Machine Learning

Andreessen Horowitz

Member of Technical Staff

On-siteNorth AmericaFull-time

Member of Technical Staff San Francisco, CA · Full-time · In-person For exceptional builders who don't fit in a box Former founder? Research engineer? Generalist who's been the secret weapon on every team…

Andreessen Horowitz

Founding AI Product Design Lead

HybridNorth AmericaFull-timeLead

Founding AI Product Design Lead Location: Austin, TX (Hybrid, Northwest Hills office) Schedule: Full-time About Maestro Maestro is building the future of luxury travel: a member experience where world-class human…

Agentic AI AI Claude Code Figma

Andreessen Horowitz

Founding Engineer (Stealth)

Join an elite team to define how work happens in the agentic era. We're rethinking how organizations share context and coordinate, from first principles, with fundamentally new infrastructure for safe, governable,…

Agentic AI AI API Cloud LLM +5 skills

Andreessen Horowitz

Founding Account Executive

HybridNorth America

Bead AI is building the trust layer for enterprise. An agentic AI that handles audit and compliance in real time, so companies stop discovering problems months after they happen. We have very strong early traction,…

Andreessen Horowitz

Member of Technical Staff, Founding Engineer

On-siteNorth America

At Primitive Labs our mission is to make human behavior a first-class primitive of software development. As a founding engineer, you own areas of the system from design through production. Your work will span…

AI AWS OpenAI SDLC

Andreessen Horowitz

Forward Deployed Engineer Intern

On-siteNorth AmericaInternshipIntern

Forward Deployed Engineer Intern San Francisco · Summer · In-person What we do We're building Infragrid to end the tax of manual financial work. We capture how businesses operate (SOPs, screen recordings, and…

Agentic AI AI API Automation AWS +6 skills