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AI / ML Jobs Posted on X (Twitter)

ML, LLM, agents, evals and AI-product engineering. Research roles live on the Research page; this one is people who ship. 192 roles on this page.

192 roles · updated 2026-09-24

Applied AI Engineer, Codex

OpenAI

Build with Codex alongside customers. Sydney. Posted by the Codex APAC lead.

Sydney, Australia · Sep 24, 2026

engineeringai

Engineer, Prime Agent

Prime Intellect

Agent harnesses, cloud agents, self-improving loops, sandboxes, evals. SF, in person. Posted by someone on the team.

San Francisco, United States · Sep 24, 2026

engineeringai

Applied AI Engineer

Function Health

Applied AI on the same hiring tweet. Posted by the co-founder and CDO.

Sep 24, 2026

engineeringai

Engineer, Eval Platform

Sentry

Build the eval platform so product teams can ship AI with data, not vibes. Posted by an engineer on the team.

Sep 24, 2026

engineeringai

Engineer

Kepler

Engineers at Kepler. Posted by someone on the team.

Sep 24, 2026

engineeringaistartup

Engineer

Aside

Memory, computer use, compaction, agent loop. $160k to $300k plus equity. SF, in person. Posted by the CEO.

San Francisco, United States · Sep 23, 2026

engineeringaifounding

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

AI Engineer

Quiet

Agents, MCP, evals, and automating the processes a small consumer-app team still repeats. Paris, hybrid. Posted by a founder.

Paris, France · Sep 22, 2026

engineeringai

AI Engineer

Clueso

AI engineering for a video product. Posted by an engineer on the team.

Sep 22, 2026

engineeringai

Founding Researcher

Banbury Road

Research lab around a multi-model scaling law. Email junyu@banburyroad.ai. Posted by someone on the team.

Sep 22, 2026

researchaifounding

Applied AI, Startups (Tokyo)

OpenAI

Founding Tokyo seat on the Startups Applied AI team. ML engineers, founders, CTOs. Posted by the team lead.

Tokyo, Japan · Sep 22, 2026

aifounding

Staff Software Engineer

Atmoz

AI-native carbon ledger. Architecture, agents, messy emissions data. Posted by the CTO.

Stockholm, Sweden · Sep 22, 2026

engineeringai

AI Engineer

Aikido Security

Agents that remediate vulnerabilities. Tel Aviv. Posted by the AI engineering lead.

Tel Aviv, Israel · Sep 22, 2026

aisecurity

Operations

Eurobrain

Benchmarks and data for frontier labs. Amsterdam. $10k referral. Posted by someone on the team.

Amsterdam, Netherlands · Sep 22, 2026

researchai

Postdoc, TOPO-LLM

Dublin Institute for Advanced Studies

Topology and higher-order networks for LLM reasoning. MareNostrum 5. Posted by the PI.

Dublin, Ireland · Sep 22, 2026

researchai

UI/UX Designer

OmniforceAI

First designer. Agent interfaces, RankAgent, brand, client apps. Remote, global. Posted by a founder.

Remote · Sep 21, 2026

designaifounding

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

Executive Admin

SL5 Task Force

Exec admin for the CEO bringing frontier labs to SL5. Writers and high-agency operators. Posted by the co-founder.

Remote · Sep 20, 2026

otherai

Full Stack Developer

Kleo

Next.js, Vercel, databases, async workers, AI tools. 100% remote. Posted by the co-founder.

Remote · Sep 20, 2026

engineeringai

Founding GTM Lead

TensorScale

Own GTM, positioning, acquisition, and expansion for a fast inference API. Posted by the CEO.

Remote · Sep 20, 2026

contentfoundingai

AI Engineer

faff

Consumer agents: browser and computer use, long-running memory, inference optimisation. Posted by a teammate.

Remote · Sep 20, 2026

engineeringai

PhD, Cultural Reasoning in LLMs

University of Copenhagen

PhD on how good LLMs are at cultural reasoning, with literary scholars. Posted by the professor.

Copenhagen, Denmark · Sep 20, 2026

researchai

Modelling Resident

Adaption

Eight-month residency for early-career scientists with LLM training experience. Posted by a teammate.

Remote · Sep 20, 2026

airesearch

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 Engineer

Maverick Intelligence

Founding engineer to turn AI agents into customers. Posted by the CEO.

Remote · Sep 20, 2026

engineeringfoundingai

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

Head of Technical Investing

Apoorva Mehta

Source and evaluate personal investments in agents and data. 12-18 month tour. Email jobs@apoorvamehta.com. Posted by the Instacart founder.

Remote · Sep 20, 2026

otheraistartup

Head of AI Ecosystem

Kaggle / DeepMind

Lead how Kaggle shows up in the world. Storyteller and builder. Posted by Head of Product.

Remote / Toronto, Canada · Sep 20, 2026

contentai

UX Designer

Metaforms

Make complex agentic market-research workflows feel simple. Full-time. Posted by Head of Engineering, India.

India · Sep 20, 2026

designai

World Builder

Afterlabs

Architect creative worlds, games, sims, interactive environments. Email hi@afterlabs.ai. Posted by a teammate.

Remote · Sep 20, 2026

aidesign

Agentic AI Engineer

Trenchers

Make live AI x Web3 agents better. Small team, product already live. Posted by the co-founder.

Remote · Sep 20, 2026

engineeringaiweb3

Gameplay Engineer

Google DeepMind

Game environments and tools for frontier AI research in games. London. Posted by the hiring director.

London, UK · Sep 16, 2026

engineeringai

Game Designer

Google DeepMind

Game design for how AI research becomes new gameplay. London. Posted by the hiring director.

London, UK · Sep 16, 2026

designai

Founding Engineer

Parisi Labs

Founding roles across ML, engineering, and commercial. World models. Posted by a co-founder.

Sep 16, 2026

engineeringaifounding

Rust Engineer

.txt

Rust developers for structured outputs. Posted by the team.

Paris, France · Sep 16, 2026

engineeringai

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

Founding Engineer

Tsenta

Founding engineer in Bangalore. YC S26. Posted by the CTO.

Bangalore, India · Sep 16, 2026

engineeringaifounding

Software Engineer

Deepvue

Identity, risk, fraud, and compliance on India Stack. Bangalore hybrid, 1-2 years. Posted by the team.

Bangalore, India · Sep 16, 2026

engineeringai

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

Head of Kairos Labs

Kairos

Design and lead the incubator for new AI safety orgs. Remote, $140-270k. Posted by a co-founder.

Remote · Sep 3, 2026

aifounding

SPAR Research Manager

Kairos

Support mentors and mentees in SPAR, an AI safety research fellowship. Remote, $105-200k. Posted by a co-founder.

Remote · Sep 3, 2026

researchai

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

Founding Designer

EXO Labs

Sovereign AI on consumer hardware. In-person London. Posted by someone on the team.

London, UK · Sep 2, 2026

designfoundingai

Product Manager

Colate

Product manager for Colate's AI-native tools. London. Posted by the founder.

London, UK · Sep 2, 2026

productai

AI Engineer

Mafer AI

AI layer for flavor, fragrance, food, and beverage R&D. In person. Posted by the founder.

Barcelona, Spain · Sep 1, 2026

engineeringai

Founding Engineer

Sparkles

YC W26. Coding agents for people who do not write code. Reviewable GitHub PRs, not unchecked deploys. £100k to £150k plus 1 to 2 percent. Posted by the CEO.

London, UK · Sep 1, 2026

engineeringfoundingai

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

Member of Technical Staff

AI Village

Engineers and research scientists. Remote. $150k to $350k. Scale multi-agent villages. Posted by the project.

Remote · Aug 29, 2026

engineeringairesearch

Design Engineer

AI Village

Design engineer for the village frontend. How to show 200 agent-hours a day. Same hiring thread.

Remote · Aug 29, 2026

designengineeringai

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

Founding Engineer

BotBot

Founding engineer and founding design engineer. AI-native company building. Posted by the CEO.

Aug 27, 2026

engineeringfoundingaistartup

Autonomy ML Engineer

SWARM

RL for autonomous drones: navigation, obstacle avoidance, sim-to-real. Python, PyTorch. Andorra. Posted by the company.

Andorra · Aug 27, 2026

engineeringairesearch

Evals / Benchmarking

OpenRouter

Research-oriented evals and benchmarking. Send actual work, not a resume. Posted by OpenRouter.

Aug 27, 2026

engineeringairesearch

AI Engineer

Karwaan Labs

First engineer from India. Remote-first, high ownership. Posted by the team.

Remote (India) · Aug 27, 2026

engineeringaifoundingstartup

Lead AI Engineer

AIER India

GenAI, RAG, agents, LLMOps. 10+ years. Remote with 4 days a month on-site. 6-month contract. Posted by the company.

Remote (India) · Aug 27, 2026

engineeringai

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

Research Engineer

Tessl

Harness engineering and agentic orchestration. London hybrid. Same Tessl hiring thread.

London, UK · Aug 27, 2026

engineeringairesearch

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

Applied AI Architect

OpenAI

Applied AI Architect, Delhi. Help customers turn frontier models into production systems. Posted by Applied AI.

Delhi, India · Aug 25, 2026

aiengineering

Applied AI Engineer

OpenAI

Applied AI Engineer, Delhi. Same Applied AI India thread.

Delhi, India · Aug 25, 2026

aiengineering

Director of Vision Intelligence

Samsung Research America

Director of Vision Intelligence: multimodal AI, computer vision, research onto devices. Posted by the VP of Research.

Aug 25, 2026

airesearchengineering

Founding Engineer

Cluster

Founding engineer at Cluster (a16z speedrun). Infra between agents and markets. DM the cofounder.

Aug 25, 2026

engineeringaifoundingstartup

Founding Engineer

Loura

Founding engineer in Riyadh. Ambient AI for complex orgs. Cash plus equity. DM the cofounder.

Riyadh, Saudi Arabia · Aug 25, 2026

engineeringaifoundingstartup

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

Software Engineer

Nous Research

Software engineer. Also hiring product SWE, Hermes Cloud SWE, UI/UX. Apply on nousresearch.com/careers.

Aug 21, 2026

engineeringaiopen-source

UI/UX Designer

Nous Research

UI/UX designer. Posted on the same Nous hiring thread.

Aug 21, 2026

designai

Engineer

Magic Patterns

Engineer at the AI design tool. Number one goal: having fun.

Aug 20, 2026

engineeringdesignstartupai

Founding Engineer

Polar Browser

Founding engineer for an AI browser that automates hours of work. Email hiring@polarbrowser.com with 2–3 extraordinary things you've done.

Aug 20, 2026

engineeringfoundingstartupai

Founding Designer

Polar Browser

Founding designer for an AI browser a billion knowledge workers could use every day.

Aug 20, 2026

designfoundingstartupai

Applied AI Engineer

Mintlify

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

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

aiengineering

Full-Stack Engineer

VeryAI

Scale the biometric system that stops spam, blocks bots, and verifies real people and their agents.

Aug 19, 2026

engineeringaistartup

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

AI Engineer

Taste Labs

Research and design-engineer roles to train models on taste and creative judgment. Posted on the a16z Build list.

Aug 18, 2026

aiengineeringresearchdesignstartup

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

Founding Engineer

Discovered Materials

$9M to build AI scientists that discover semiconductor materials. a16z Build list.

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

Product Designer

Boltz

MIT Jameel Clinic spinout, $28M seed. Design how scientists use AI models for drug discovery. a16z Build list.

London / Remote · Aug 18, 2026

designaistartup

Backend Engineer

Scicom AI

Build the platform behind AI agent systems: services, APIs and workflows. Go, Python, Kafka, PostgreSQL.

Aug 17, 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

Frontend Engineer

micro1

Frontend engineers to help train next-generation AI systems. $65 to $120 per hour across 50 openings.

Remote · Aug 15, 2026

engineeringai

Motion Graphics Artist

micro1

Review and annotate videos of robots and human activity for AI training. $15 to $80 per hour across 100 openings.

Remote · Aug 15, 2026

designai

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

Full-Stack AI Engineer

Titan Capital

Build AI products, agents and internal tools for an AI-native investment firm. Node.js, MongoDB, React/Next.js, LLM systems, evals and guardrails. 3–4+ years.

Gurgaon (Hybrid) · Aug 14, 2026

engineeringai

Senior AI Engineer

Media24

Senior AI Engineer in Cape Town. Same listing also has Senior Cloud Data Engineer and Senior React Native Engineer.

Cape Town, South Africa · Aug 14, 2026

aiengineering

SDK Engineer – JavaScript

AI developer tools company

Build and evolve the JavaScript and TypeScript SDKs used by developers and AI coding tools. Node.js, Deno, Bun, WebSockets and open source.

Remote (Worldwide) · Aug 13, 2026

engineeringaiopen-source

Engineers (Rust, Actors, OSS)

Rivet (YC W23)

Open-source infra for AI, built on Rivet Actors and agentOS. For engineers who love Rust, actors, OSS and self-hosting. All time zones.

Remote (Worldwide) · Aug 12, 2026

engineeringaiopen-sourcestartup

Full Stack Engineer

Banking client (Toronto)

Hybrid Full Stack Engineer for a banking client. $90 to $94/hr. .NET, C#, Python, Azure, Snowflake, AI tooling.

Toronto (Hybrid) · Aug 11, 2026

engineeringcloudai

Senior Engineer

Onramp Bitcoin

Full-stack engineer for multi-institution Bitcoin custody. TypeScript, Next.js, Postgres/Mongo. Security-first.

Remote · Aug 11, 2026

engineeringai

Product Engineer

Overlap AI

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

US (Remote/Hybrid) · Aug 11, 2026

engineeringaiproduct

Platform Engineer

REAL New York

Remote Platform Engineer. Python, Flask, PostgreSQL, AI/LLM experience is a bonus. Up to ~$84k.

Remote · Aug 11, 2026

engineeringai

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

AI Engineer

Agent Integrator

Build and deploy AI agents into production. Full ownership plus equity and revenue share.

Remote · Aug 9, 2026

aiengineeringstartup

Founding Engineering Intern

Repowise

Founding engineering internship at ₹60,000 per month. Strong open-source contributions and AI coding agent experience preferred.

India (Remote) · Aug 5, 2026

engineeringaiopen-source

Founding Roles

Wildcard AI, Klavis AI, Openroll + others

Early-stage startups looking for founding engineers and generalists.

Various · Aug 4, 2026

engineeringai

Multiple Roles (753 openings)

OpenAI

Large hiring push across research, engineering, applied AI, infrastructure, product, design, safety and more. Remote and on-site.

Remote & On-site (global) · Aug 1, 2026

aiengineeringdesigncloud