Best X Builds

Research Jobs Posted on X (Twitter)

Research scientist and applied research posts. Fleet, labs and post-training seats land here. 61 roles on this page.

61 roles · updated 2026-11-04

Google DeepMind

Research engineer on Gemini large scale pretraining. London or Mountain View. Posted by a research engineer on the team.

London / Mountain View@zacharynado

STEM Fellow

Research

Anthropic

Four-month STEM fellowship with the research team. Posted by the head of drug discovery research.

Remote-friendly, United States@nc_frey

Researcher

Research

Thinking Machines

Research role. Posted by a recruiter on the team.

@hannahnth

Aspera

Policy research intern on international aviation rules. DMs open, or humans@asperaindustries.com. Posted by someone on the team.

@khushhhi_

Proximal

Run eval and training experiments on model capabilities. DMs open. Posted by a co-founder.

@MatternJustus

Human Archive

Robot learning intern in the San Francisco office. Posted by the founder.

San Francisco, CA@babugi28

Scientist

Research

Pilgrim Labs

Scientists on the same hiring tweet. Posted by founding team. Reach out.

United States@MauricioMoel

NVIDIA

Firmware, microcode, RISC-V, hypervisors, HW CFI, memory tagging. Posted by the Director of Offensive Security.

United States@Adam_pi3

NVIDIA

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

Santa Clara, United States@drmapavone

NVIDIA

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

Santa Clara, United States@drmapavone

Banbury Road

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

@MLCatttt

Operations

Research

Eurobrain

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

Amsterdam, Netherlands@WouterTeunissen

Dublin Institute for Advanced Studies

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

Dublin, Ireland@lordgrilo

Robocurve

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

San Francisco, United States@chooi_jeq

University of Copenhagen

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

Copenhagen, Denmark@daniel_hers

Adaption

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

Remote@weiyinko_ml

Convergent Research

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

Remote, United States@AGamick

Aave Labs

Protocol security for Aave: review, adversarial analysis, AI-assisted tooling. London. Posted by a teammate.

London, UK@Montyly

Apollo Research

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

Washington, DC, US@charlotte_stix

Research

Research

Factory

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

United States@_AbhaySinghal

Kairos

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

Berkeley, CA@austinc3301

Kairos

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

Remote@austinc3301

Proximal

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

San Francisco, CA@MatternJustus

AI Village

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

Remote@aidigest_

SWARM

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

Andorra@SwarmSubnet

OpenRouter

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

Anthropic

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

San Francisco / New York, NY@nc_frey

Tessl

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

London, UK@tessl_io

Samsung Research America

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

@jcniebles

Scientist

Research

AION Biosciences

Scientist in St. Louis. Custom in-house microscopes, ultrasound and magnetic fields. Apply on Ashby.

St. Louis, United States@anabology

Aikido Security

Engineer/researcher on new endpoint-protection tech. Autonomy and ownership. Posted by a security researcher on the team.

@CharlieEriksen

MathDB

Part-time SWE for a community database of open math problems, tracking AI-assisted breakthroughs. Web apps and agents.

@tonyyueyu

Periodic Labs

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

Menlo Park, US@katieschwartz

Taste Labs

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

@katieschwartz

Phylo

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

South San Francisco, US@katieschwartz

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@wintermute_t

Mistral AI (Forge team)

Openings for Research Engineers and Applied Scientists across Paris, London, Singapore, US and Korea.

Paris / London / Singapore / US / Korea@hkproj