AI Engineer 5 – AI Foundations, LLM Core, Agentic AI

Capital One

. Partner with engineers, research scientists, technical program managers, and product managers to deliver AI-powered products .

Posted 9/21/2026full-timeUnited StatesMid-LevelSenior💰 $229,900 - $286,200 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and optimizing AI systems, including foundation model training and multi-model orchestration. Proven ability to lead technical teams, mentor engineers, and ensure compliance with AI engineering standards.

Highest-signal resume keywords

AI And ML Algorithm DevelopmentPython ProgrammingCloud Platform DeploymentAI System OptimizationTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AI Software DevelopmentFoundation Model TrainingMulti-Agent WorkflowsModel EvaluationSimilarity SearchCost-Performance GovernanceDynamic Inference StrategiesModel CompressionHeterogeneous AI System IntegrationEthical AI Deployment Standards

Soft Skills

Excellent CommunicationPresentation Skills

Tools & Technologies

AWS UltraclustersHugging FaceVectorDBsPyTorchCUDAGoScalaJavaC++C#

Industry Keywords

AI Engineering StandardsScalable AI SolutionsOperational Cost ManagementModel ThroughputInference Cost Efficiency

Tech Stack

Tools & technologies

AWSCloudJavaOpen SourcePythonPyTorchScalaC++Go

About the role

Key responsibilities & impact

Partner with engineers, research scientists, technical program managers, and product managers to deliver AI-powered products
Design, develop, test, deploy, and support AI software components including foundation model training, LLM inference, agents and multi-agent workflows, similarity search, guardrails, model evaluation, experimentation, governance, and observability
Leverage Open Source and SaaS AI technologies including AWS Ultraclusters, Hugging Face, VectorDBs, and PyTorch
Invent and introduce foundation model optimization techniques to improve scalability, cost, latency, and throughput of production AI systems
Contribute to the technical vision and long-term roadmap of foundational AI systems
Design, implement, and optimize multi-model orchestration pipelines integrating LLMs, vector search, and domain-specific models
Establish and lead cost-performance governance reviews, tracking GPU utilization, model throughput, and inference cost efficiency
Lead team design councils or design review boards to ensure technical consistency and compliance with AI engineering standards
Mentor Principal- and Manager-level AI engineers and elevate organizational technical maturity

Requirements

What you’ll need

Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 6 years of experience developing AI and ML algorithms or technologies, or a Master's degree in those fields plus at least 4 years of experience
At least 6 years of experience programming with Python, Go, Scala, CUDA, or Java
Experience leading development of AI systems with cost, latency, throughput, and accuracy tradeoffs
7 years of experience deploying scalable and responsible AI solutions on cloud platforms
Experience designing, developing, delivering, and supporting complex AI systems
Experience developing AI and ML algorithms or technologies using Python, C++, C#, Java, CUDA, or Golang
Experience optimizing training and inference software for hardware utilization, latency, throughput, and cost
Experience building agentic AI systems and workflows
Excellent communication and presentation skills
Experience architecting and integrating heterogeneous AI systems into unified production pipelines
Experience defining and enforcing ethical AI deployment standards
Ability to balance model performance and operational cost through dynamic inference strategies and model compression
Experience right-sizing models, instance counts, and hardware types
Capital One will consider sponsoring a new qualified applicant for employment authorization

Benefits

Comp & perks

Performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
Comprehensive health, financial and other benefits supporting total well-being
Employment authorization sponsorship consideration for a new qualified applicant