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Research Engineer Jobs at AI Startups

There are currently 207 open Research Engineer jobs across 97 AI startups. 47% of these roles are at early-stage (Pre-Seed through Series B) companies. Every listing links straight to the company's official application page.

207Open roles
97Companies hiring
Oct 29, 2026Last updated
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Series A 36 (17%)Series G+ 32 (15%)Series B 31 (15%)Series C 30 (14%)Seed 30 (14%)Series E 17 (8%)Series D 15 (7%)Growth 8 (4%)Private Equity 2 (1%)Series G 2 (1%)Series F 2 (1%)Series A-1 1 (0%)Unknown 1 (0%)
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Open Research Engineer Roles

RoleCompanyStageLocationPosted
Research Engineer, Content UnderstandingExaSeries CZurichOct 29, 2026
Research Engineer, Index IntelligenceExaSeries CZurichOct 29, 2026
3D Computer Vision Research Engineer, Geospatial Visual LocalizationNiantic SpatialSeries ALondonOct 29, 2026
Vulnerability Research EngineerSocketSeries CRemoteOct 29, 2026
Founding Research EngineerRaindropSeries ASan FranciscoOct 28, 2026
Research EngineerTaste LabsSeedSan FranciscoOct 28, 2026
Research Engineer Intern - Environments, Data and Post-TrainingMercorSeries CSan FranciscoOct 27, 2026
Research Engineer, Intern – BenchmarkingMercorSeries CSan FranciscoOct 27, 2026
Principal Research Engineer, Epic Developer AssistantEpic GamesPrivate EquityMultiple locationsOct 27, 2026
Principal Research Engineer, Epic Developer AssistantEpic GamesPrivate EquityMultiple locationsOct 27, 2026
Research EngineerCato NetworksSeries GMultiple locationsOct 25, 2026
Research EngineerTuringSeries EMultiple locationsOct 25, 2026
Research Engineer, Frontier DataTuringSeries EMultiple locationsOct 25, 2026
Senior Research EngineerTuringSeries EMultiple locationsOct 25, 2026
Senior Research Engineer, Frontier DataTuringSeries EMultiple locationsOct 25, 2026
Senior Research Engineer, SWETuringSeries EMultiple locationsOct 25, 2026
Staff Research EngineerTuringSeries EMultiple locationsOct 25, 2026
Staff Research Engineer, Enterprise KnowledgeTuringSeries EMultiple locationsOct 25, 2026
Staff Research Engineer, Frontier DataTuringSeries EMultiple locationsOct 25, 2026
Research EngineerDavid AISeries BSan FranciscoOct 23, 2026
Research Engineer, Robot Learning1X TechnologiesSeries BSan Carlos, CAOct 23, 2026
Research Engineer, Chip Design RLAnthropicSeries G+San Francisco, CAOct 21, 2026
Research Engineer, RL FrontiersEtchedSeries DSan JoseOct 21, 2026
Research Engineer, Scientific Data & Workflow InfrastructureLila SciencesSeries BMultiple locationsOct 21, 2026
Senior / Engineer II, AI Lab Research EngineerLila SciencesSeries BMultiple locationsOct 21, 2026
Staff / Principal Research Engineer, AI Safety MitigationsLila SciencesSeries BMultiple locationsOct 21, 2026
Research Engineer/ Applied ScientistWisdomAISeries ASan MateoOct 21, 2026
Research Engineer, Cybersecurity RL (Reinforcement Learning)AnthropicSeries G+Multiple locationsOct 20, 2026
Research Engineer, InterpretabilityAnthropicSeries G+San Francisco, CAOct 20, 2026
Security Engineer / Research Engineer, RL SecurityAnthropicSeries G+Multiple locationsOct 20, 2026
Research Engineer (Cyber security)Cato NetworksSeries GMultiple locationsOct 20, 2026
Research Engineer, Post-TrainingDeepgramSeries CMultiple locationsOct 19, 2026
Research Engineer - Data InfrastructureElevenLabsSeries DMultiple locationsOct 19, 2026
3D Computer Vision Research Engineer - World MapNiantic SpatialSeries ALondonOct 19, 2026
Research Engineer - RL InfrastructurePrime IntellectSeries AMultiple locationsOct 19, 2026
Research Engineer / Scientist - Reinforcement LearningPrime IntellectSeries AMultiple locationsOct 16, 2026
Research Engineer - Pre-training DataPrime IntellectSeries AMultiple locationsOct 16, 2026
Research Engineer - Data and EvaluationPrime IntellectSeries AMultiple locationsOct 16, 2026
Research Engineer - InferencePrime IntellectSeries AMultiple locationsOct 16, 2026
Research Engineer - Pre-trainingPrime IntellectSeries AMultiple locationsOct 16, 2026
Internal Acceleration, Research Engineer (ASIC)EtchedSeries DSan JoseOct 15, 2026
Internal Acceleration, Research Engineer (Hardware)EtchedSeries DSan JoseOct 15, 2026
Internal Acceleration, Research Engineer (Production)EtchedSeries DSan JoseOct 15, 2026
Internal Acceleration, Research Engineer (Kernels)EtchedSeries DSan JoseOct 15, 2026
Senior Staff Research EngineerNetradyneSeries DMultiple locationsOct 14, 2026
Applied Research Engineer, EvaluationBlack Forest LabsSeries BMultiple locationsOct 13, 2026
Research EngineerSonarSeries BSingaporeOct 13, 2026
Senior / Staff Research Engineer, Generative AI DeploymentWaabiSeries CToronto, ONOct 13, 2026
Research Engineer (Materials Foundation Models)CuspAISeries BMultiple locationsOct 12, 2026
Research EngineerEncordSeries CLondonOct 12, 2026
View all 207 Research Engineer jobs
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FAQ

How many Research Engineer jobs are open at AI startups?

There are currently 207 open Research Engineer jobs across 97 AI startups on Fast AI Jobs.

What funding stages are hiring Research Engineers?

47% of open Research Engineer 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 Engineer list updated?

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