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Series D+ AI Startup Research Scientist Jobs

There are currently 85 open Research Scientist jobs across 28 Series D+ AI startups. Every listing links straight to the company's official application page, deduplicated and refreshed daily.

85Open roles
28Companies hiring
Jun 16, 2026Last updated
01

Open Research Scientist Roles at Series D+ AI Startups

RoleCompanyStageLocationPosted
Machine Learning Research Scientist, Behavior Planning and PredictionNuroSeries EMountain View, California (HQ)Jun 16, 2026
Machine Learning Research Scientist: Generative Modeling for PlanningNuroSeries EMountain View, California (HQ)Jun 16, 2026
ML Research Scientist, Prediction & Smart AgentsNuroSeries EMountain View, California (HQ)Jun 16, 2026
Senior/Staff Machine Learning Research Scientist: Generative Modeling for PlanningNuroSeries EMountain View, California (HQ)Jun 16, 2026
People Research Scientist, PeopleAnthropicSeries G+New York City, NYJun 15, 2026
People Research Scientist, RecruitingAnthropicSeries G+New York City, NYJun 15, 2026
Recruiter, AI ResearchAnthropicSeries G+San Francisco, CAJun 15, 2026
PhD GenAI Research Scientist InternDatabricksSeries G+San Francisco, CaliforniaJun 15, 2026
Principal Research Scientist - AI Scaling & OptimizationDatabricksSeries G+Mountain View, CaliforniaJun 15, 2026
Principal Research Scientist – ScalingDatabricksSeries G+San Francisco, CaliforniaJun 15, 2026
Sr. Staff AI Research TLM - AI SystemsDatabricksSeries G+Mountain View, CaliforniaJun 15, 2026
Staff GenAI Research Scientist - AgentsDatabricksSeries G+New York City, New YorkJun 15, 2026
Staff Software Engineer - AI Research InfrastructureDatabricksSeries G+New York City, New YorkJun 15, 2026
Senior ML Research Scientist, End-to-End Autonomous DrivingNuroSeries EMountain View, California (HQ)Jun 15, 2026
Machine Learning Research EngineerAndurilSeries G+Washington, District of Columbia, United StatesJun 12, 2026
AI Research Engineer - AI SafetyHelsingSeries DBerlinJun 11, 2026
AI Research Engineer - ML & Signal ProcessingHelsingSeries DBerlinJun 11, 2026
AI Research Engineer - RoboticsHelsingSeries DBarcelonaJun 11, 2026
Senior/Staff Machine Learning Research Engineer, General Agents, Enterprise GenAIScale AISeries G+San Francisco, CAJun 11, 2026
Research Scientist (Generative Modeling)World LabsSeries ESan FranciscoJun 11, 2026
Applied Machine Learning Research ScientistCerebras SystemsSeries HSunnyvale CA or Toronto CanadaJun 10, 2026
ML Research Scientist, Co-Folding and AffinitySandboxAQSeries EUnited StatesJun 9, 2026
Research Engineer / Research Scientist, TokensAnthropicSeries G+New York City, NYJun 8, 2026
Applied Research Scientist, AgentsLabelboxSeries DSan Francisco Bay AreaJun 8, 2026
Sr Machine Learning Engineer, AI ResearchCriblSeries EUS RemoteJun 5, 2026
AI Researcher / ML Engineer (ASR & Speech Specialist)LiltSeries DWashington D.C.Jun 5, 2026
Senior User Researcher, Enterprise & PlatformGleanSeries FSan Francisco, CAJun 5, 2026
Senior User Researcher, Enterprise & PlatformGleanSeries FMountain View, CAJun 5, 2026
AI Research Engineer - Reinforcement LearningHelsingSeries DBarcelonaJun 4, 2026
Staff Research Scientist, Catalyst SimulationSandboxAQSeries EUnited StatesJun 3, 2026
Research Scientist, Life SciencesAnthropicSeries G+San Francisco, CAJun 2, 2026
Advanced Technology: AI/ML Research ScientistCerebras SystemsSeries HSunnyvale, CAJun 2, 2026
Applied AI/ML ScientistCerebras SystemsSeries HUAEJun 2, 2026
ML Research Engineer (Inference)Cerebras SystemsSeries HBengaluru, Karnataka, IndiaJun 2, 2026
Applied AI Scientist, Small Language Model and AI TrainingPostmanSeries DSan Francisco, California, United StatesJun 2, 2026
AI Research Marketing Intern - Summer 2026LambdaSeries ESan Francisco Office (Second St)Jun 1, 2026
AI Research EngineerPostHogSeries EHybrid (UK)Jun 1, 2026
Research Scientist, Catalyst SimulationSandboxAQSeries EUnited StatesMay 29, 2026
Research Scientist - Frontier BenchmarksSnorkel AISeries DSan Francisco, CA (Hybrid)May 29, 2026
Staff ML Research Scientist, Co-Folding and AffinitySandboxAQSeries EUnited KingdomMay 27, 2026
Product Research Scientist, Drug DiscoverySandboxAQSeries ECanadaMay 27, 2026
Machine Learning Research Engineer, Agent Data Foundation - Enterprise GenAIScale AISeries G+San Francisco, CAMay 26, 2026
Machine Learning Research Engineer, Agents - Enterprise GenAIScale AISeries G+San Francisco, CAMay 26, 2026
Research Scientist, Agent RobustnessScale AISeries G+San Francisco, CAMay 26, 2026
Research Scientist, AI Controls and MonitoringScale AISeries G+San Francisco, CAMay 26, 2026
Research Scientist, Frontier Risk EvaluationsScale AISeries G+San Francisco, CAMay 26, 2026
Research Scientist, Safety Post TrainingScale AISeries G+San Francisco, CAMay 26, 2026
Staff Machine Learning Research Engineer, Agent Post-training - Enterprise GenAIScale AISeries G+San Francisco, CAMay 26, 2026
Research Scientist (Engineering)falSeries DRemoteMay 21, 2026
AI Research Engineer - Computer VisionHelsingSeries DBerlinMay 21, 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 85 open Research Scientist jobs across 28 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.