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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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575roles· OpenAI

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Global Detection and Response LeadFeb 18

OpenAISan FranciscoSecurityPrivatea16zSequoia

Platform Engineer, Forward Deployed Engineering (FDE) -SFFeb 13

OpenAISan FranciscoModel Deployment for BusinessPrivatea16zSequoia

Software Engineer, Backend (Cooperative AI)Feb 12

OpenAISan FranciscoOperationsPrivatea16zSequoia

Android Engineer, Ad FormatsFeb 12

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Component and Product Quality Engineer, InterconnectsFeb 12

OpenAISan FranciscoScalingPrivatea16zSequoia

Model Policy, Chemical & Biological RiskFeb 10

OpenAISan FranciscoSafety SystemsPrivatea16zSequoia

Machine Learning Engineer, Distributed Data Systems - RoboticsFeb 6

OpenAISan FranciscoResearchPrivatea16zSequoia

Software Engineer, GPU Infrastructure - HPCFeb 5

OpenAISan FranciscoScalingPrivatea16zSequoia

Solutions Engineer, Private EquityFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Solutions Engineer, Core EnterpriseFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Solutions Engineer, Core Digital NativeFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Solutions Engineer, Digital Natives (Strategics) Feb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Solutions Engineer, Financial ServicesFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

AI Success Engineer, Government Feb 4

OpenAIWashingtonOpenAI for GovPrivatea16zSequoia

Product Engineer, GTM InnovationFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Full Stack Software Engineer, GTM InnovationFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

Backend Software Engineer, GTM InnovationFeb 4

OpenAISan FranciscoSalesPrivatea16zSequoia

ASIC Firmware Engineer, ModelingFeb 3

OpenAISan FranciscoScalingPrivatea16zSequoia

Data Science Manager, IntegrityFeb 3

OpenAISan FranciscoDataPrivatea16zSequoia

Full Stack Software Engineer, GrowthJan 30

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Product Engineer, GTM Growth EngineeringJan 30

OpenAISan FranciscoSalesPrivatea16zSequoia

Security Engineer, Detection and ResponseJan 28

OpenAISan FranciscoSecurityPrivatea16zSequoia

Engineering Manager, Identity InfrastructureJan 28

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Technical Program Manager – Adversarial Model ResearchJan 26

OpenAISan FranciscoResearchPrivatea16zSequoia

Software Engineer, Platform SystemsJan 23

OpenAISan FranciscoScalingPrivatea16zSequoia

Software Engineer, Research - Human DataJan 23

OpenAISan FranciscoResearchPrivatea16zSequoia

Solutions Engineer, Pre-SalesJan 22

OpenAINew York CitySalesPrivatea16zSequoia

Signal Integrity EngineerJan 22

OpenAISan FranciscoScalingPrivatea16zSequoia

Frontend Engineer, Financial Web PlatformJan 20

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Researcher, Frontier Biological and Chemical RisksJan 20

OpenAISan FranciscoSafety SystemsPrivatea16zSequoia

iOS Engineer, Applied FoundationsJan 20

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Android Engineer, Applied Foundations Jan 20

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Backend Engineer, Consumer DevicesJan 20

OpenAISan FranciscoConsumer ProductsPrivatea16zSequoia

Fullstack Engineer, Safety EngineeringJan 15

OpenAISan FranciscoSafety SystemsPrivatea16zSequoia

Full Stack Software Engineer, Health AIJan 13

OpenAISan FranciscoApplied AIPrivatea16zSequoia

ML Research Engineer - Hardware CodesignJan 13

OpenAISan FranciscoScalingPrivatea16zSequoia

Software Engineer, Codex EnterpriseJan 9

OpenAISan FranciscoApplied AIPrivatea16zSequoia

Researcher, Synthetic RLJan 9

OpenAISan FranciscoResearchPrivatea16zSequoia

Software Engineer, Productivity - Training RuntimeJan 8

OpenAISan FranciscoScalingPrivatea16zSequoia

Software Engineer, Monetization Product & Platform Jan 8

OpenAISan FranciscoApplied AIPrivatea16zSequoia

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