Skip to content

Jobs Firms Companies

Jobs Firms Companies

Jobs

Find your next role at a company backed by investors you already respect.

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

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

Spark×Remove Spark Clear all

573roles· Spark

Sort roles

Software Engineer, Cybersecurity Products4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Operations Lead, Biology4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Senior Software Security Engineer4d ago

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Support Engineer4d ago

AnthropicSan FranciscoProductPrivateSequoiaSpark

Scaled Enterprise Account Executive, Industries4d ago

AnthropicNew York CitySalesPrivateSequoiaSpark

Research Operations, External Artifacts4d ago

AnthropicRemoteCommunicationsPrivateSequoiaSpark

Researcher, Education Labs4d ago

AnthropicSan FranciscoTechnical EducationPrivateSequoiaSpark

Research Scientist, Life Sciences (Experimental Biology)4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Threat Intel Manager, Influence Operations & Surveillance4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Fraud & Scams4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Threat Intelligence Engineer4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Technical Program Manager, Apps Platform4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Safeguards Enforcement Analyst, Chem & Explosives Harms4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Threat Intel Manager, Model Exploitation & Fraud4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Research Operations, Discovery4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Technical Program Manager, API Platform4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Technical Program Manager, Data Center Infrastructure4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Technical Program Manager, Inference Performance4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Technical Specialist, Claude Code4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Threat Intel Manager, CBRN-E & Advanced Weapons4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

TPU Kernel Engineer4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Transformative AI Research Economist, Economic Research 4d ago

AnthropicSan FranciscoPublic BenefitPrivateSequoiaSpark

Standards Editor4d ago

AnthropicSan FranciscoCommunicationsPrivateSequoiaSpark

Strategic Account Executive, Cybersecurity4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Technical Program Manager, Launches 4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Technical Program Manager, Research4d ago

AnthropicSan FranciscoTechnical Program ManagementPrivateSequoiaSpark

Technical Enablement Lead, Claude Platform4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Technical Cyber Threat Investigator 4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Age-Appropriate Design4d ago

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Software Engineer, Human Data Interface4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Solutions Architect, National Security4d ago

AnthropicWashingtonPublic PolicyPrivateSequoiaSpark

Staff+ Software Engineer, Developer Acceleration4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Application Security Engineer - M&A 4d ago

AnthropicRemoteSecurityPrivateSequoiaSpark

Staff+ Software Engineer, Account Abuse4d ago

AnthropicSan FranciscoSafeguards (Trust & Safety)PrivateSequoiaSpark

Strategic Account Executive, Tech4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Strategic Account Executive, Investment Banking & Capital Markets - FSI4d ago

AnthropicSan FranciscoSalesPrivateSequoiaSpark

Senior/Staff Security Engineer, Threat Intelligence4d ago

AnthropicZürichSecurityPrivateSequoiaSpark

Engineering Manager, Inference4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Engineer (Senior Staff+), Safeguards Labs4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Engineer, Machine Learning (Reinforcement Learning) 4d ago

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

← Prev 1 2 3 4 5 Next →

Firm

Department

Location

Stage

573 open roles match filters