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AI hiring in United States

73 AI and ML jobs in United States posted on X by a founder, hiring manager, or teammate. Location is whatever the original post said.

73 roles · updated 2026-09-22

Senior Research Scientist, ASPIRE

NVIDIA

Reasoning models, generative simulation, agentic workflows, Physical AI safety. Start by January 2027. Posted by the AV research lead.

Santa Clara, United States · Sep 22, 2026

researchai

Senior Research Engineer, ASPIRE

NVIDIA

Same ASPIRE lab. Research engineer track for autonomous vehicles and Physical AI. Posted by the AV research lead.

Santa Clara, United States · Sep 22, 2026

researchengineeringai

Member of Technical Staff

Robocurve

Frontier robotics evals. $170k-$300k, $5k referrals. San Francisco, in person. Posted by the co-founder.

San Francisco, United States · Sep 20, 2026

engineeringairesearch

FRO Builder / Venture Studio Partner

Convergent Research

Launch focused research orgs for AI resilience: compute governance, biosecurity, formal verification. Posted by a teammate.

Remote, United States · Sep 20, 2026

researchaistartup

Founding AI Engineer

Andera

AI agents for audit. $37M Series A. San Francisco, on-site. Posted by a teammate at Hack the North.

San Francisco, United States · Sep 20, 2026

engineeringaifounding

Product Engineering Lead

Andera

Product engineering lead for AI audit agents. San Francisco, on-site. Posted by a teammate.

San Francisco, United States · Sep 20, 2026

engineeringproductai

Infrastructure Engineer

Andera

Infrastructure for AI audit agents. San Francisco, on-site. Posted by a teammate.

San Francisco, United States · Sep 20, 2026

engineeringcloudai

Lead AI Engineer

Andera

Lead AI engineer for audit agents. San Francisco, on-site. Posted by a teammate.

San Francisco, United States · Sep 20, 2026

engineeringai

Product Engineer

Andera

Product engineer for AI audit agents. San Francisco, on-site. Posted by a teammate.

San Francisco, United States · Sep 20, 2026

engineeringproductai

Founding Engineer

Marble

Founding engineer, in person in NYC. YC S26, restaurant back-of-house AI. Posted by a co-founder.

New York, NY · Sep 16, 2026

engineeringaifounding

Founding Staff, DC Office

Apollo Research

Science comms, engagement, or policy research. On-site DC. Posted by the chief AI governance officer.

Washington, DC, US · Sep 16, 2026

researchai

Design Engineer

LearnVector

Design engineer, in-person Mountain View. Andrew Ng's learning product. Posted by the hiring person on the team.

Mountain View, CA · Sep 16, 2026

designengineeringai

Software Engineer

Factory

Engineering for Droid, the software development agent. Posted by a teammate.

United States · Sep 16, 2026

engineeringai

Research

Factory

Research for self-improving software development. Posted by a teammate.

United States · Sep 16, 2026

researchai

Head of Generator

Kairos

Lead the in-person residency for AI safety generalists. $140-270k. Posted by a co-founder.

Berkeley, CA · Sep 3, 2026

airesearch

Applied Research

Proximal

Build the applied research function and sit with customers. North Beach, SF. Posted by a co-founder.

San Francisco, CA · Sep 2, 2026

researchengineeringai

Developer Relations Engineer, AI

Google Cloud

Gemini, Firebase AI Logic, and reference apps for full-stack developers. NYC. Posted by the team.

New York, NY · Sep 2, 2026

engineeringaicloud

Senior Backend Engineer

ZeroDrift

AI lab that trains its own models. Compliance on agent communications. NYC. Posted by the team.

New York, NY · Sep 1, 2026

engineeringai

Product Manager

ASAPP

Enterprise contact-center AI. Ship, not just roadmaps. Posted by someone on the team.

New York / Mountain View · Sep 1, 2026

productai

AI Engineer, Evals and Agent Quality

Town

Model selection, routing, and evals so Townies get better, faster, cheaper. SF, $250k to $300k. Posted by the founder.

San Francisco, CA · Sep 1, 2026

engineeringai

SF Special Projects

Encode

Lab engagement and AI policy in San Francisco, with regular DC trips. Founder post. Email sneha@encodeai.org by Sep 4.

San Francisco, CA · Sep 1, 2026

otherai

Model Behavior Engineer

The Browser Company

Engineering-heavy prompt role on Dia. Prototypes, harnesses, evals, shipping in a large codebase. Posted by Nick Dobos.

New York, NY · Aug 29, 2026

engineeringai

Model Behavior, Product

The Browser Company

The product-leaning prompt role on Dia. Open to designers, artists, and other non-traditional backgrounds. Same post.

New York, NY · Aug 29, 2026

productaidesign

Research Engineer

Doji

Research engineer, NYC. Same Doji careers post.

New York, NY · Aug 28, 2026

engineeringresearchaistartup

Biotech Operator

Anthropic

Scientific judgment and ops for drug discovery work. NYC and SF. Posted by someone on the team.

San Francisco / New York, NY · Aug 27, 2026

researchai

Developer Advocate

Tessl

DevRel for agent skills and context. San Francisco. Posted by the company.

San Francisco, US · Aug 27, 2026

engineeringai

Developer Advocate

Tessl

DevRel for agent skills and context. New York. Same Tessl hiring thread.

New York, NY · Aug 27, 2026

engineeringai

Applied AI Engineer

Profound

Applied AI for an enterprise marketing harness. SF and NYC, no remote. Posted by the CTO.

San Francisco / New York, NY · Aug 27, 2026

engineeringai

Engineer

Merge

Engineers in SF and NYC. Connective layer for AI in product and workforce. Posted by the cofounder.

San Francisco / New York · Aug 25, 2026

engineeringai

Applied AI Engineer

Mintlify

Applied AI engineer. Hiring across San Francisco and New York.

San Francisco / New York, USA · Aug 19, 2026

aiengineering

Research Engineer, Lab Automation

Periodic Labs

Turn scientists' experiments into hardware setups and instrument workflows. Up to $250k. a16z Build list, Aug 17.

Menlo Park, US · Aug 18, 2026

engineeringresearchaistartup

Head of Engineering

Inferact

Head of Engineering on the vLLM inference stack. Up to $280k, SF. a16z Build list.

San Francisco, US · Aug 18, 2026

engineeringaistartup

Product Lead, AI/ML (Evals)

Abridge

Lead how Abridge tests and measures clinical-note AI. Up to $290k. a16z Build list.

San Francisco, US · Aug 18, 2026

productai

Founding Engineer

Munari

a16z Speedrun. Reliability infra so robots work in the real world, not just the lab. On-site SF.

San Francisco, US · Aug 18, 2026

engineeringaifoundingstartup

Tech Lead Manager, Education

OpenAI

Lead senior full-stack engineers building AI-native learning in ChatGPT. a16z Build list.

San Francisco, US · Aug 18, 2026

engineeringai

Member of Technical Staff

OpenEvidence

Elite engineer on special projects with the founders. Sequoia partner Shaun Maguire posting. Medical AI used by most US doctors.

San Francisco / Miami, US · Aug 17, 2026

engineeringaistartup

Founding Engineer

Tenera

a16z Speedrun-backed. Predict how users react to software before you ship. Own agent infra, backend, and frontend.

San Francisco, US · Aug 17, 2026

engineeringaifoundingstartup

AI Product Engineer

Town

Personal AI assistant after a $55M Series A. Rethink email, calendar, and contacts. Posted by a16z New Media.

San Francisco / New York, US · Aug 17, 2026

engineeringaiproductstartup

Forward Deployed Scientist

Phylo

AI biomedical discovery lab. Work with pharma and biotech. Up to $275k. a16z Build list.

South San Francisco, US · Aug 17, 2026

researchai

Product Engineer

Runta

Safer execution environment for agents. $20M seed. SDK, CLI, APIs, DX. Up to $200k. a16z Build list.

San Francisco, US · Aug 17, 2026

engineeringproductaistartup

Quant, Trading, Engineering and Product roles

Wintermute

Open roles across C++ quant and trading-platform engineering, ML research, options and prediction-market trading, DeFi trading, and product. London, NYC, Singapore and more.

London / NYC / Singapore · Aug 14, 2026

engineeringaiweb3productresearch

FDE, Full Stack and ML Engineer

Alloy Robotics

Just raised $8M at an $80M valuation to build agents over robotics data. Hiring FDE, Full Stack Software Engineer, ML Engineer, plus AE, Chief of Staff and Growth. Usage up 51% MoM.

Remote (US) · Aug 14, 2026

engineeringaistartup

Product Engineer

Overlap AI

Build outcome-based pricing product. High shipping velocity. US work authorization required.

US (Remote/Hybrid) · Aug 11, 2026

engineeringaiproduct

AI Product Manager Intern

Brix AI

AI Product Manager Intern role at an HF0-incubated AI company building proactive AI workforce agents.

Palo Alto / Shanghai / Remote · Aug 10, 2026

aiproduct

Talented Designer

AI-native agency (Bradford Huber)

Looking for a talented designer to join an AI-native agency with early traction.

Remote / US preferred · Aug 10, 2026

designai