AI Engineer 4, AI Foundations, LLM Customization, Finetuning

Capital One

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

Posted 9/22/2026full-timeUnited StatesJuniorMid-Level💰 $215,200 - $245,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in developing and deploying AI and ML algorithms, with a strong focus on optimizing performance, scalability, and ethical governance. Proficient in leading technical architecture and ensuring compliance across AI systems while mentoring team members in best practices.

Highest-signal resume keywords

AI And ML Algorithm DevelopmentPython ProgrammingCloud Platform DeploymentDistributed Systems DesignAI Model Governance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

AI Software DevelopmentFoundation Model TrainingLLM InferenceModel EvaluationPerformance TuningScalable AI SolutionsAgentic AI SystemsTraining OptimizationInference OptimizationData Governance

Soft Skills

MentoringCollaborationTechnical Leadership

Tools & Technologies

AWS UltraclustersHugging FaceVectorDBsPyTorchGPU UtilizationTPU Utilization

Industry Keywords

AI EthicsModel Performance DriftSLO DefinitionProducibilityLineage Tracking

Tech Stack

Tools & technologies

AWSCloudDistributed SystemsJavaOpen 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, multi-agent workflows, similarity search, guardrails, model evaluation, experimentation, governance, and observability
Leverage Open Source and SaaS AI technologies such as AWS Ultraclusters, Hugging Face, VectorDBs, and PyTorch
Invent and introduce foundation model optimization techniques to improve scalability, cost, latency, and throughput
Contribute to the technical vision and long-term roadmap of foundational AI systems
Own end-to-end architecture for complex AI systems, ensuring maintainability, observability, and ethical alignment
Define and maintain SLOs for AI reliability, including latency, uptime, and model performance drift
Collaborate with infrastructure engineering to optimize GPU/TPU utilization and accelerate model inference pipelines
Lead technical reviews for AI system deployments, ensuring security, data governance, and compliance standards
Mentor Principal and Senior Associates on scalable design, performance tuning, and research-to-production translation

Requirements

What you’ll need

Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 4 years of experience developing AI and ML algorithms or technologies, or a Master's degree in those fields plus at least 2 years of such experience
At least 4 years of programming experience with Python, Go, Scala, CUDA, or Java
Experience leading AI system development with cost, latency, throughput, and accuracy tradeoffs
6 years of experience deploying scalable and responsible AI solutions on cloud platforms
Experience designing, developing, delivering, and supporting AI services
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
Proficiency designing distributed systems for model training, evaluation, and online inference at petabyte scale
Experience defining AI model governance processes, including producibility, lineage tracking, and automated retraining schedules
Demonstrated ability to influence architectural decisions across multiple AI product lines or platforms

Benefits

Comp & perks

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