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Series D+ · Research Scientist

Series D+ AI Startup Research Scientist Jobs

There are currently 87 open Research Scientist jobs across 31 Series D+ AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.

87Open roles
31Companies hiring
Aug 3, 2026Last updated
01

Open Research Scientist Roles at Series D+ AI Startups

RoleCompanyStageLocationPosted
People Research Scientist, RecruitingAnthropicSeries G+San Francisco, CAAug 3, 2026
Recruiter, AI ResearchAnthropicSeries G+San Francisco, CAAug 3, 2026
Research Engineer / Research Scientist, Pre-trainingAnthropicSeries G+Zürich, CHAug 3, 2026
Research Engineer/Research Scientist, Pre-trainingAnthropicSeries G+Remote (Friendly (Travel-Required))Aug 3, 2026
Research Engineer / Research Scientist, TokensAnthropicSeries G+New York City, NYAug 3, 2026
Researcher, Education LabsAnthropicSeries G+San Francisco, CAAug 3, 2026
Research Scientist/Engineer, Biological SafetyAnthropicSeries G+San Francisco, CAAug 3, 2026
Research Scientist, InterpretabilityAnthropicSeries G+San Francisco, CAAug 3, 2026
Research Scientist, Life SciencesAnthropicSeries G+San Francisco, CAAug 3, 2026
Research Scientist, Life Sciences (Computational)AnthropicSeries G+San Francisco, CAAug 3, 2026
Research Scientist, Takeoff IntelAnthropicSeries G+San Francisco, CAAug 3, 2026
Transformative AI Research Economist, Economic ResearchAnthropicSeries G+San Francisco, CAAug 3, 2026
AI Research Intern (PhD) – 3D Computer VisionHelsingSeries EBarcelonaAug 3, 2026
Research ScientistAndurilSeries G+Fort Collins, CO (CO-13)Jul 31, 2026
Research Scientist, Battlespace AwarenessAndurilSeries G+Waltham, Massachusetts, United StatesJul 31, 2026
Research Scientist, Catalyst SimulationSandboxAQSeries EUnited StatesJul 31, 2026
Research Scientist - RL TrainingSnorkel AISeries DRedwood City, CA (Hybrid)Jul 30, 2026
Director, Forward Deployed Researcher - Data as a ServiceSnorkel AISeries DNew York City, NY (Hybrid)Jul 29, 2026
Applied AI Scientist, Small Language Model and AI TrainingPostmanSeries DSan Francisco, California, United StatesJul 27, 2026
PhD GenAI Research Scientist InternDatabricksSeries G+San Francisco, CaliforniaJul 24, 2026
Principal AI Research Scientist, Research Director - AI ScalingDatabricksSeries G+Mountain View, CaliforniaJul 24, 2026
Principal Research Scientist – ScalingDatabricksSeries G+San Francisco, CaliforniaJul 24, 2026
Staff Software Engineer - AI Research InfrastructureDatabricksSeries G+New York City, New YorkJul 24, 2026
Staff Materials Research Scientist, PFAS Alternative DiscoverySandboxAQSeries EUnited StatesJul 24, 2026
Senior/Staff Security ResearcherSemgrepSeries DUS RemoteJul 24, 2026
Manager, Research ScientistScale AISeries G+San Francisco, CAJul 24, 2026
AI ResearcherCyeraSeries G+Tel AvivJul 23, 2026
AI Research Team LeadCyeraSeries G+Tel AvivJul 21, 2026
Research Scientist, Cohere LabsCohereSeries DLondonJul 21, 2026
Security Product ResearcherCorelightSeries ENorth AmericaJul 21, 2026
Senior/Staff User ResearcherHarveySeries G+San FranciscoJul 21, 2026
Machine Learning Research Scientist, Behavior Planning and PredictionNuroSeries EMountain View, California (HQ)Jul 20, 2026
ML Research Engineer, AI for Life SciencesSandboxAQSeries EUnited KingdomJul 17, 2026
ML Research Engineer, AI for Life SciencesSandboxAQSeries ECanadaJul 17, 2026
Product Manager, ML ResearchSunoSeries DBostonJul 17, 2026
AI Research Engineer - 3D Computer VisionHelsingSeries EBerlinJul 16, 2026
ML Research Engineer, AI for Life SciencesSandboxAQSeries EUnited StatesJul 16, 2026
Machine Learning Research Scientist: Generative Modeling for PlanningNuroSeries EMountain View, California (HQ)Jul 16, 2026
ML Research Scientist, Prediction & Smart AgentsNuroSeries EMountain View, California (HQ)Jul 16, 2026
Senior ML Research Scientist, End-to-End Autonomous DrivingNuroSeries EMountain View, California (HQ)Jul 16, 2026
Senior/Staff Machine Learning Research Scientist: Generative Modeling for PlanningNuroSeries EMountain View, California (HQ)Jul 16, 2026
Staff Mixed Methods ResearcherAbridgeSeries ESF OfficeJul 15, 2026
UX Researcher (Senior/Staff-level)SynthesiaSeries ELondonJul 9, 2026
Machine Learning Research Engineer, Agent Data Foundation - Enterprise GenAIScale AISeries G+San Francisco, CAJul 9, 2026
Machine Learning Research Engineer, Agents - Enterprise GenAIScale AISeries G+San Francisco, CAJul 9, 2026
ML Research Engineer, ML SystemsScale AISeries G+San Francisco, CAJul 9, 2026
Research Scientist, Agent RobustnessScale AISeries G+San Francisco, CAJul 9, 2026
Research Scientist, AI Controls and MonitoringScale AISeries G+San Francisco, CAJul 9, 2026
Research Scientist, Frontier Risk EvaluationsScale AISeries G+San Francisco, CAJul 9, 2026
Research Scientist, Safety Post TrainingScale AISeries G+San Francisco, CAJul 9, 2026
View all Research Scientist jobs
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FAQ

How many Research Scientist jobs are open at Series D+ AI startups?

There are currently 87 open Research Scientist jobs across 31 Series D+ AI startups on Fast AI Jobs.

Why filter Research Scientist jobs by funding stage?

Funding stage signals company size, runway, and equity upside. Filtering to Series D+ startups narrows the list to Research Scientist roles at companies at a comparable point in their growth.

How often is this list updated?

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