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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.

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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

8,522roles

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Software Security Engineering Manager, Secure FrameworksPosted Jul 14

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Software Engineer, RL DataPosted Jun 2

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Software Engineer, Human Data InterfacePosted Feb 6

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Software Engineer, Cybersecurity ProductsPosted Jan 9

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Software Engineer, Node InfraPosted Apr 28

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Software Engineer, Kubernetes PlatformPosted May 6

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Senior Staff Software Engineer, APIPosted Feb 26

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Staff+ Infrastructure Engineer, Cluster InfrastructurePosted Apr 30

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Senior Software Security EngineerPosted Aug 19

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Software Engineer, Research ToolsPosted Nov 8

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Senior Software Engineer, Full-stackPosted Apr 8

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Director of PayrollPosted Mar 26

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Manager, Revenue Accounting, Order Management & BillingPosted Feb 19

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Manager, Financial ReportingPosted Jun 4

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Manager, Corporate AccountingPosted Jun 3

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Manager, Accounts Receivable, Credit & CollectionsPosted Apr 27

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Business Systems Analyst, Finance Systems (Assets & Lease Management)Posted Jul 7

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Senior Business Systems Analyst, Finance SystemsPosted Nov 18

AnthropicSan FranciscoFinancePrivateSequoiaSpark

Security Software Engineer, Detection & Response PlatformPosted Mar 24

AnthropicNew York CitySecurityPrivateSequoiaSpark

Security Engineer, Detection & ResponsePosted Nov 10

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Security Controls Assurance LeadPosted Jun 8

AnthropicSan FranciscoSecurityPrivateSequoiaSpark

Salesforce Developer, PartnershipsPosted Jun 30

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Safeguards Enforcement Analyst, Violence & ExtremismPosted Jul 15

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Safety EvaluationsPosted Mar 9

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Radiological & Nuclear HarmsPosted Jul 11

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Integrity & Authenticity Posted Jul 10

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Fraud & ScamsPosted Jul 14

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Cyber Harm Posted Jul 10

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Child SafetyPosted Jul 11

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Chem & Explosives HarmsPosted Jul 11

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Bio HarmsPosted Jul 11

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Ban Evasion & RecidivismPosted Jul 14

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Age-Appropriate DesignPosted Jul 10

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Account Takeover & Credential AbusePosted Jul 14

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Safeguards Enforcement Analyst, Access Controls & IdentityPosted Jul 14

AnthropicRemoteSafeguards (Trust & Safety)PrivateSequoiaSpark

Research Scientist, Life Sciences (Computational)Posted Jul 16

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Scientist, Life SciencesPosted Jun 2

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Scientist, InterpretabilityPosted Nov 7

AnthropicSan FranciscoEngineeringPrivateSequoiaSpark

Research Product Manager, Model BehaviorsPosted Jun 22

AnthropicSan FranciscoProductPrivateSequoiaSpark

Research Product Manager, LabsPosted Jan 26

AnthropicSan FranciscoProductPrivateSequoiaSpark

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8,522 open roles