✦ Luna Orbit — AI & Machine Learning

Lead AI Engineer (MLX)

at Capital One Financial

📍 5 Locations Unknown 💰 $197K – $225K USD / year Posted March 26, 2026
Salary $197K – $225K USD / year
Type Not Specified
Experience mid
Exp. Years Not specified
Education Not specified
Category AI & Machine Learning

This role involves developing and optimizing large language models, supporting AI inference and evaluation, and building scalable AI infrastructure for financial services applications.

  • Develop AI software components
  • Train and evaluate large language models
  • Optimize models for performance and cost
  • Support AI infrastructure
  • Implement scalable AI solutions

The technical environment includes AI frameworks like PyTorch and Huggingface, with a focus on LLM training, inference, optimization, and AI infrastructure tools such as AWS Ultraclusters and VectorDBs.

The ideal candidate is a mid-level AI/ML engineer experienced with large language models, model training, inference, and optimization. They are familiar with AI infrastructure tools like PyTorch and Huggingface, and can develop scalable AI solutions in a financial services environment.

AI software componentsLarge Language ModelsModel trainingModel inferenceModel evaluationModel optimizationAI infrastructure
Open Source AI toolsSaaS AI technologiesLLM optimization techniquesScalabilityLatency reductionCost optimization
AWS UltraclustersHuggingfacePyTorchVectorDBsNemo Guardrails
AIArtificial IntelligenceMLMachine LearningLarge Language ModelsLLMModel trainingModel inferenceNLPSimilarity searchPyTorchHuggingfaceVectorDBsModel evaluationModel optimizationAI infrastructure
AIArtificial IntelligenceMLMachine LearningLarge Language ModelsLLMModel trainingModel inferenceNLPSimilarity searchPyTorchHuggingfaceVectorDBsModel evaluationModel optimizationAI infrastructure
CollaborationProblem-solvingInnovationAdaptabilityTeamworkCommunication
Industry Financial Services
Job Function Develop and optimize large language models and AI infrastructure
Role Subtype AI Engineer
Tech Domains Artificial Intelligence, Machine Learning, Natural Language Processing
AIArtificial IntelligenceMLMachine LearningLarge Language ModelsLLMModel trainingModel inferenceNLPSimilarity searchPyTorchHuggingfaceVectorDBsModel evaluationModel optimizationAI infrastructureOpen Source AISaaS AILLM optimizationscalabilityAI software componentsmodel trainingmodel inferencemodel evaluationmodel optimization

Lack of experience with large language models, No familiarity with AI infrastructure tools, Unable to demonstrate experience with model optimization, No experience in scalable AI deployment

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