✦ Luna Orbit — AI & Machine Learning

Lead AI Engineer (AI Foundations)

at Discover Financial Services

📍 5 Locations Onsite 💰 $179K – $204K USD / year Posted April 02, 2026
Salary $179K – $204K USD / year
Type Full-Time
Experience lead
Exp. Years 2+ years (minimum via Master's path) or 4+ years (Bachelor path)
Education Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields; or Master's degree
Category AI & Machine Learning

Lead AI Engineer responsible for building foundational AI systems and platforms for Capital One's Intelligent Foundations and Experiences team, leveraging a broad stack of AI technologies to deliver scalable, responsible AI products for banking customers.

  • Partner with cross-functional teams to deliver AI-powered products
  • Design, develop, test, deploy, and support AI components
  • Leverage Open Source and SaaS AI technologies
  • Innovate LLM optimization techniques
  • Contribute to technical vision and roadmap

Focus on foundation model training, LLM inference, similarity search, and governance using Open Source and SaaS AI technologies (e.g., PyTorch, HuggingFace, Nemo Guardrails) on cloud platforms (AWS, GCP, Azure).

The ideal candidate is a senior AI engineer with deep experience in foundation models, LLM optimization, and a strong Python/PyTorch/HuggingFace stack. They should demonstrate leadership in cross-functional teams and a track record of delivering scalable AI infrastructure in fintech environments.

Bachelor's degree in Computer ScienceAIElectrical EngineeringComputer Engineeringor related fields plus at least 4 years of experience developing AI and ML algorithms or technologiesor a Master's degree in Computer ScienceAIElectrical EngineeringComputer Engineeringor related fields plus at least 2 years of experience developing AI and ML algorithms or technologiesAt least 4 years of experience programming with PythonGoScalaor Java
6 years of experience deploying scalable and responsible AI solutions on cloud platforms (e.g. AWSGoogle CloudAzureor equivalent private cloud)Experience designingdevelopingdeliveringand supporting AI servicesExperience developing AI and ML algorithms or technologies (e.g. LLM InferenceSimilarity Search and VectorDBsGuardrailsMemory) using PythonC++C#Javaor GolangExperience developing and applying state-of-the-art techniques for optimizing training and inference software to improve hardware utilizationlatencythroughputand costPassion for staying abreast of the latest AI research and AI systemsand judiciously apply novel techniques in production
Amazon Web ServicesGoogle Cloud PlatformAzureHuggingFacePyTorchNemo Guardrails
Foundation model trainingLarge Language Model inferenceVectorDBsGuardrailsModel evaluationExperimentationGovernanceObservabilityPythonGoScalaJavaPyTorchHuggingFaceAWS
AWS UltraclustersAmazon Web ServicesHuggingFaceHugging FaceVectorDBsNemo GuardrailsPyTorchPythonGoScalaJavafoundation model traininglarge language model inferenceguardrailsmodel evaluationexperimentationgovernanceobservabilityOpen SourceSaaS
strong communicationcollaborationproblem-solvingadaptabilitycuriosityresilience
Industry Fintech
Job Function Own the development and deployment of foundational AI systems for Capital One's AI initiatives
Role Subtype AI Engineer
Tech Domains Amazon Web Services, Python, Java, Kubernetes, Docker, SQL / PostgreSQL
Visa Sponsorship Yes
Lead AI EngineerAI FoundationsAmazon Web ServicesAWS UltraclustersHuggingfaceHugging FaceVectorDBsNemo GuardrailsPyTorchPythonGoScalaJavafoundation model traininglarge language model inferenceguardrailsmodel evaluationexperimentationgovernanceobservabilityHuggingFaceAWS

No 4+ years Python/Go/Scala/Java experience, No Bachelor's or Master's in a related field, No cloud experience (AWS/GCP/Azure)

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