Research Scientist roles

Research Scientist Jobs at AI Startups

There are currently 333 open Research Scientist jobs across 171 AI startups. 54% of these roles are at early-stage (Pre-Seed through Series B) companies. Every listing links straight to the company's official application page.

333Open roles

171Companies hiring

Jul 30, 2026Last updated

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Series A 67 (20%)Series B 63 (19%)Seed 48 (14%)Series G+ 33 (10%)Series E 32 (10%)Series C 31 (9%)Growth 25 (8%)Series D 15 (5%)Unknown 9 (3%)Series F 3 (1%)Pre-Seed 3 (1%)Private Equity 2 (1%)Debt 1 (0%)IPO 1 (0%)

Open Research Scientist Roles

Role	Company	Stage	Location	Posted
AI Research Engineer	Encharge AI	Series B	Canada, Germany, Norway, United States	Jul 30, 2026
AI Research Intern (PhD) – 3D Computer Vision	Helsing	Series E	Barcelona	Jul 30, 2026
Research Scientist	PhysicsX	Series C	London, United Kingdom	Jul 30, 2026
Research Scientist - RL Training	Snorkel AI	Series D	Redwood City, CA (Hybrid)	Jul 30, 2026
Health Physicist	Valar Atomics	Series B	Orangeville, Utah	Jul 30, 2026
AI Research Scientist, Learning & Evaluation	StudyFetch	Series A	Beverly Hills, CA	Jul 29, 2026
Member of Technical Staff - ML Scientist, Japanese Multimodal	Liquid AI	Series A	Tokyo	Jul 29, 2026
Senior Customer Researcher (IC Role)	Emergent	Series C	Bengaluru	Jul 29, 2026
AI Research Scientist	P-1 AI	Seed	San Francisco Bay Area	Jul 29, 2026
AI Research Scientist - Spatial Reasoning	P-1 AI	Seed	San Francisco Bay Area	Jul 29, 2026
Software Engineer, AI Research & Prototyping	Sage Care	Seed	HQ	Jul 29, 2026
Machine Learning Research Engineer	Profluent	Series B	Emeryville, California, United States	Jul 29, 2026
Machine Learning Scientist, Reinforcement Learning	Profluent	Series B	Emeryville, California, United States	Jul 29, 2026
Director, Forward Deployed Researcher - Data as a Service	Snorkel AI	Series D	New York City, NY (Hybrid)	Jul 29, 2026
Member of Technical Staff - Applied Computational Biologist	Valthos	Seed	New York	Jul 29, 2026
Security Researcher	Echo	Series A	Tel Aviv	Jul 28, 2026
Research Scientist, Takeoff Intel	Anthropic	Series G+	San Francisco, CA	Jul 28, 2026
ML Research Intern	Modal	Series C	New York	Jul 28, 2026
Research Scientist, Computational Condensed Matter Physics	Lila Sciences	Series A	Cambridge, MA USA	Jul 28, 2026
Senior Threat Researcher: AI & Autonomous Cybercrime/Chercheur senior en menaces : IA et cybercriminalité autonome (Remote USA/Canada)	Flare	Series B	United States	Jul 28, 2026
Research Scientist - Material Modelling	PhysicsX	Series C	London, United Kingdom	Jul 28, 2026
Machine Learning Research Engineer	Flagship Pioneering		Cambridge, MA USA	Jul 27, 2026
ML Scientist I/II, Nucleic Acid Design	Lila Sciences	Series A	San Francisco, CA USA	Jul 27, 2026
Applied AI Scientist, Small Language Model and AI Training	Postman	Series D	San Francisco, California, United States	Jul 27, 2026
Security Researcher - R&D	Vega	Series B	On -Site, Israel	Jul 26, 2026
Research Scientist, Data	Periodic Labs	Seed	Menlo Park, CA	Jul 25, 2026
PhD GenAI Research Scientist Intern	Databricks	Series G+	San Francisco, California	Jul 24, 2026
Principal AI Research Scientist, Research Director - AI Scaling	Databricks	Series G+	Mountain View, California	Jul 24, 2026
Principal Research Scientist – Scaling	Databricks	Series G+	San Francisco, California	Jul 24, 2026
Staff Software Engineer - AI Research Infrastructure	Databricks	Series G+	New York City, New York	Jul 24, 2026
Principal Machine Learning Scientist	Gather AI	Series B	Open to Remote (USA)	Jul 24, 2026
Co-Op, ML Scientist for Protein Engineering	Lila Sciences	Series A	San Francisco, CA USA	Jul 24, 2026
Staff Materials Research Scientist, PFAS Alternative Discovery	SandboxAQ	Series E	United States	Jul 24, 2026
Senior/Staff Security Researcher	Semgrep	Series D	US Remote	Jul 24, 2026
Manager, Research Scientist	Scale AI	Series G+	San Francisco, CA	Jul 24, 2026
AI Researcher	Cyera	Series G+	Tel Aviv	Jul 23, 2026
Formal Verification Research Scientist	Voltai	-	Palo Alto Office	Jul 23, 2026
Research Scientist	Auger	Series B	Bellevue, United States	Jul 22, 2026
People Research Scientist, Recruiting	Anthropic	Series G+	San Francisco, CA	Jul 22, 2026
Research Engineer/Research Scientist, Personal AGI-Model Experience	OpenAI	Growth	San Francisco	Jul 22, 2026
Security Researcher	Sweet Security	Series B	Tel-Aviv, Israel	Jul 22, 2026
Senior Security Researcher	TENEX.AI	Series B	Scottsdale, AZ	Jul 22, 2026
AI Research Team Lead	Cyera	Series G+	Tel Aviv	Jul 21, 2026
Research Scientist, Cohere Labs	Cohere	Series D	London	Jul 21, 2026
Applied Researcher - Deployment Intelligence & Continuous Learning	Dyna Robotics	Series A	Redwood City, CA	Jul 21, 2026
Research Scientist/Engineer, Biological Safety	Anthropic	Series G+	San Francisco, CA	Jul 21, 2026
Security Product Researcher	Corelight	Series E	North America	Jul 21, 2026
Senior/Staff User Researcher	Harvey	Series G+	San Francisco	Jul 21, 2026
User Experience Researcher	Emergent	Series C	Bangalore	Jul 21, 2026
Research Scientist - Multimodal Agent, Consumer Devices	OpenAI	Growth	San Francisco	Jul 21, 2026

View all 333 Research Scientist jobs

FAQ

How many Research Scientist jobs are open at AI startups?

There are currently 333 open Research Scientist jobs across 171 AI startups on Fast AI Jobs.

What funding stages are hiring Research Scientists?

54% of open Research Scientist roles are at early-stage (Pre-Seed through Series B) startups, with the remainder at later-stage and growth companies.

How often is this Research Scientist list updated?

Listings are refreshed daily from official company career pages and deduplicated by posting. Every link points to the original application page.