✦ Luna Orbit — AI & Machine Learning

Senior Lead AI Engineer (MLX, Agentic AI, Gen AI platform Services)

at Discover Financial Services

📍 4 Locations Unknown 💰 $229K – $262K USD / year Posted April 03, 2026
Salary $229K – $262K USD / year
Type Full-Time
Experience lead
Exp. Years 4-6 years
Education Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields; Master's degree in related fields
Category AI & Machine Learning

Senior Lead AI Engineer responsible for building and operating Capital One's AI foundation platforms and Gen AI services. You will lead the development of AI software components, optimize LLM workflows, and contribute to the long-term AI strategy.

  • Partner with cross-functional team to deliver AI-powered products that change how our associates work and how our customers interact with Capital One
  • Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability
  • Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch
  • Invent and introduce state-of-the-art LLM optimization techniques to improve performance - scalability, cost, latency, throughput - of large scale production AI systems
  • Contribute to the technical vision and the long term roadmap of foundational AI systems at Capital One

Technical scope includes foundation model training, LLM inference, similarity search, guardrails, governance, and observability using Open Source and SaaS AI tools such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, and PyTorch.

The ideal candidate is a senior/lead AI engineer with 4+ years of Python/Java/Scala experience and a strong track record deploying foundation models and LLMs in production, including experience with PyTorch, Huggingface, and vector databases. They should be able to lead cross-functional teams and communicate complex AI concepts clearly.

Bachelor's degree in Computer ScienceAIElectrical EngineeringComputer Engineeringor related fields + 6+ years AI/MLAt least 6 years of experience programming with PythonGoScalaor Java
7 years of experience deploying scalable and responsible AI solutions on cloud platforms (AWSGoogle CloudAzureor equivalent private cloud)Experience designingdevelopingintegratingdeliveringand supporting complex AI systemsDemonstrated ability to lead and mentor an engineering team and influence cross-functional stakeholdersExperience 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 productionExcellent communication and presentation skillswith the ability to articulate complex AI concepts to peers
AWS UltraclustersHuggingfaceVectorDBsNemo GuardrailsPyTorch
PythonGoScalaJavaPyTorchHuggingfaceVectorDBsNemo GuardrailsAWS Ultraclustersfoundation model traininglarge language model inferenceguardrailsobservabilitymodel evaluationexperimentationgovernance
PythonGoScalaJavaPyTorchHuggingfaceVectorDBsNemo GuardrailsAWS UltraclustersLLM InferenceFoundation Model TrainingObservabilityModel EvaluationExperimentationGovernance
CommunicationLeadershipProblem-solvingTeamworkAdaptability
Industry Banking
Job Function Develop and deploy foundation artificial intelligence platforms and services for Capital One.
Role Subtype AI Engineer
Tech Domains Python, Java, Go, Scala, PyTorch, Huggingface, Nemo Guardrails, VectorDBs, Amazon Web Services, Foundation Models
Visa Sponsorship Yes
senior lead ai engineerlead ai engineerai engineerfoundation model traininglarge language model inferenceguardrailsvectorDBsHuggingfacePyTorchNemo GuardrailsAWS UltraclustersPythonGoScalaJavaLLM optimizationproduction AI systemsobservabilitymodel evaluationexperimentationVectorDBsGuardrailsObservability

Not meeting minimum 4 years of AI/ML experience (or 6+ with Bachelor's), No experience with Python/Java/Go/Scala, No experience with foundation models/LLMs, Reluctance to work in Capital One's multi-location environment

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