Best X Builds

Research hiring in United States

24 research jobs in United States that were actually posted on X, not copied from a board. Location is whatever the original post said.

24 roles · updated 2026-10-24

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

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

Robocurve

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

San Francisco, United States@chooi_jeq

Convergent Research

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

Remote, United States@AGamick

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

Proximal

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

San Francisco, CA@MatternJustus

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

Scientist

Research

AION Biosciences

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

St. Louis, United States@anabology

Periodic Labs

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

Menlo Park, US@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