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Jobs at startups backed by the best investors.

We only list companies backed by top investors, and roles taken from their real career pages.

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© 2026 MiddleLayerIndependent · not affiliated with YC or a16z

MiddleLayer

Jobs at startups backed by the best investors.

We only list companies backed by top investors, and roles taken from their real career pages.

Jobs Firms Companies How it works API

© 2026 MiddleLayerIndependent · not affiliated with YC or a16z

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Threat Intel Manager, CBRN-E & Advanced Weapons4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Communications Lead, Infrastructure and Engineering4d ago

AnthropicNew York CityCommunicationsPrivateSequoiaSpark

Staff+ Software Engineer, Financial Fraud4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Staff Research Engineer, Discovery Team4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Software Security Engineer4d ago

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Software Security Engineering Manager, Secure Frameworks4d ago

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Research Product Manager, Model Behaviors4d ago

AnthropicSan FranciscoProductPrivateSequoiaSpark

Staff + Senior Software Engineer, Inference Deployment4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Strategic Account Executive, Cybersecurity4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Research Product Manager, Labs4d ago

AnthropicSan FranciscoProductPrivateSequoiaSpark

Research Engineer, Chip Design RL (Reinforcement Learning)4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff Software Engineer, Accessibility4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Engineer / Scientist, Alignment4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

National Security Policy Lead, Biotech4d ago

AnthropicWashingtonPublic PolicyPrivateSequoiaSpark

Staff+ Software Engineer, Safeguards Evals 4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Research Engineer, Universes4d ago

AnthropicRemoteEngineeringPrivateSequoiaSpark

Safeguards Policy Analyst, Fraud & Scams4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Data Scientist, Supply4d ago

AnthropicSan FranciscoDataPrivateSequoiaSpark

Staff Software Engineer, iOS4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

People Programs, M&A Lead4d ago

AnthropicSan FranciscoPeoplePrivateSequoiaSpark

Manager, Account Executive - GSIs4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

People Legal Counsel4d ago

AnthropicSan FranciscoLegalPrivateSequoiaSpark

Staff+ Software Engineer, Enterprise4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Product Support Specialist4d ago

AnthropicNew York CityProductPrivateSequoiaSpark

Senior+ Software Engineer, Research Tools4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Senior Manager, Corporate Accounting4d ago

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Research Engineer, Model Evaluations4d ago

AnthropicRemoteEngineeringPrivateSequoiaSpark

Senior Media Manager4d ago

AnthropicSan FranciscoMarketingPrivateSequoiaSpark

Manager, Commercial Counsel, GTM4d ago

AnthropicSan FranciscoLegalPrivateSequoiaSpark

Staff+ Software Engineer, Account Abuse4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Full-Stack Software Engineer, Reinforcement Learning4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Strategic Account Executive, Life Sciences4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Staff Software Engineer, Developer Productivity (Dev Environments) - Claude Code4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Customer Success Manager, Scaled4d ago

AnthropicNew York CitySalesPrivateSequoiaSpark

Senior Staff+ Software Engineer, Kubernetes Platform4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Software Engineer, Identity & Access Controls4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Engineering Manager, Inference4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Engineer / Research Scientist, Pre-training4d ago

AnthropicZürichEngineeringPrivateSequoiaSpark

Staff+ Software Engineer, Developer Productivity4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Safeguards Enforcement Analyst, Cyber Harm 4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

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