✦ Luna Orbit — AI & Machine Learning

Lead AI Engineer (AI Foundations, LLM Core and Agentic AI)

at Discover Financial Services

📍 5 Locations Unknown 💰 $197K – $225K USD / year Posted April 01, 2026
Salary $197K – $225K USD / year
Type Full-Time
Experience lead
Exp. Years 4+ years
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 focuses on AI foundations and agentic AI capabilities, building production-grade AI systems with LLMs and Guardrails using PyTorch, AWS, and Hugging Face.

  • Partner with teams to deliver AI-powered products
  • Design/implement foundation models and LLM inference
  • Develop guardrails and observability
  • Operationalize AI services
  • Roadmap AI systems

Stack includes Python, Go, TypeScript; AWS Ultraclusters; Hugging Face; VectorDBs; Nemo Guardrails; PyTorch; LLMs; focus on guardrails, inference, and scalable production AI systems.

The ideal candidate is a Lead AI Engineer with 4+ years of AI/ML experience, strong Python, and hands-on experience with LLMs, Hugging Face, and AWS. They should be able to design and deploy AI services across multiple locations, balancing performance and cost.

Bachelor's degree in Computer ScienceAIElectrical EngineeringComputer Engineeringor related fields plus at least 4 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 (AWSGoogle CloudAzureor equivalent private cloud)Experience designingdevelopingdeliveringand supporting AI servicesExperience developing AI/ML algorithms using PythonC++C#Javaor GolangExperience optimizing training/inference software for hardware utilizationlatencythroughputand cost1+ year of experience with AWSPassion for staying current with AI research
AWS UltraclustersHugging FaceVectorDBsNemo GuardrailsPyTorch
Bachelor's degree; 4+ years AI/ML; 4+ years Python/Go/TypeScript/Java; cloud experience; LLM/guardrails
PythonGoTypeScriptAWSHugging FaceVectorDBsNemo GuardrailsPyTorchLLMsGuardrails
CuriosityTechnical leadershipCommunicationProblem solvingTeam collaboration
Industry Fintech
Job Function Develop and deploy scalable AI foundations and LLM-based solutions
Role Subtype ML Engineer
Tech Domains Python, Amazon Web Services
Visa Sponsorship Yes
lead ai engineerai foundationsllm coreagentic aipythongopytorchaws ultraclustershuggingfacevectordbsnemo guardrailsguardrailsllmslarge language modelsnlpcloudai systems

No experience with Python/LLMs, No AWS experience, Lack of cross-location collaboration experience

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