Jobs

Member of Technical Staff - Alignment Lead

Reflectionai

San Francisco, California, United States permanent

Computer ScienceMachine LearningAlignment MethodologiesDistributed SystemsReward ModelingRL TechniquesResearchEngineering

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

January 13, 2026 View Details

Member of Technical Staff - Open Source Lead

Reflectionai

San Francisco, California, United States permanent

Strong portfolio of open source contributionsSolid software engineering capabilitiesProficient in Python and PyTorchThrives in fast-paced startup environmentPassionate about advancing intelligence frontier

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

January 13, 2026 View Details

Member of Technical Staff - Safety Lead

Reflectionai

San Francisco, California, United States permanent

Computer ScienceMachine LearningLLM SafetyAdversarial AttacksRed-TeamingAutomated Evaluation PipelinesReinforcement LearningJailbreaking TechniquesSoftware EngineeringModel Release

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

January 13, 2026 View Details

Forward Deployed Engineer Lead

Reflectionai

New York City, New York, United States permanent

Software EngineeringMachine LearningAI StacksLLM WorkflowsCloud DeploymentDevOpsProduction SystemsModel Fine-TuningAI LeadershipCustomer-Facing Solutions

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 29, 2025 View Details

Member of Technical Staff - Software Engineer

Reflectionai

San Francisco, California, United States permanent

Software EngineeringAPI DesignScalable SystemsDeveloper PlatformsReliabilitySecurityData ManagementComplex Problem SolvingStartup EnvironmentCollaboration

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 7, 2025 View Details

Member of Technical Staff - GPU Infrastructure

Reflectionai

San Francisco, California, United States permanent

GPU InfrastructureHigh-Performance ComputingDistributed SystemsCUDAPyTorchDeepSpeedKubernetesObservabilityPerformance ProfilingContainerization

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 7, 2025 View Details

Solutions Architect

Reflectionai

New York City, New York, United States permanent

Technical Pre-salesSoftware EngineeringGenerative AI EcosystemAgent Engineering StackEnterprise Software ArchitecturesCloud & On-premise EnvironmentsContainerizationTechnical EnablementEnablement AssetsEnterprise Solutions Architecture

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

January 5, 2026 View Details

Member of Technical Staff - Pre-Training

Reflectionai

San Francisco, California, United States permanent

PythonAWSMachine LearningGo

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 7, 2025 View Details

Full-Cycle Technical Recruiter: Engineering/Product

Reflectionai

San Francisco, California, United States permanent

Full-Cycle RecruitingTechnical RecruitingEngineering Talent SourcingCandidate Relationship ManagementOffer NegotiationStartup/High-Growth RecruitingAI Industry KnowledgeTechnical FluencyData-Driven RecruitingOffer Closure

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

August 12, 2025 View Details

Member of Technical Staff - Post-Training

Reflectionai

San Francisco, California, United States permanent

Machine LearningLarge Scale LLM TrainingEngineeringData CurationReward ModelingReinforcement LearningDistributed SystemsCollaborationResearchCommunication

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 7, 2025 View Details

Don't See Your Role? Apply Here!

Reflectionai

San Francisco, California, United States permanent

Health & wellnessLife & familyBenefits & balanceOpportunities to connect with teammates

Our Mission Reflection’s mission is to build open superintelligence and make it accessible to all. We’re developing open weight models for individuals, agents, enterprises, and even nation states. O...

October 7, 2025 View Details

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