AI Engineer 5 (AI Foundations: LLM Customization, Finetuning, Reinforcement Learning)
Capital One2 days ago
Cambridge, MA, USA +3 moreStaff+
Base Salary
$251k - $286k/yr
Responsibilities
- Partner with engineers, research scientists, technical program managers, and product managers to deliver AI-powered products.
- Design, develop, test, deploy, and support AI software for foundation model training, LLM inference, agents, multi-agent workflows, similarity search, guardrails, evaluation, governance, experimentation, and observability.
- Invent and apply foundation-model optimization techniques to improve scalability, cost, latency, throughput, and hardware utilization.
- Design and optimize multi-model orchestration pipelines integrating LLMs, vector search, and domain-specific models.
- Lead cost-performance governance reviews covering GPU utilization, model throughput, and inference cost efficiency.
- Contribute to the technical vision and long-term roadmap of foundational AI systems.
- Lead design councils and review boards to maintain technical consistency and AI engineering standards.
- Mentor Principal- and Manager-level AI engineers.
Requirements
- Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or a related field plus at least 6 years of experience developing AI and ML algorithms or technologies, or a relevant master's degree plus at least 4 years of such experience.
- At least 6 years of programming experience with Python, Go, Scala, CUDA, or Java.
- Preferred: experience leading AI system development with cost, latency, throughput, and accuracy tradeoffs.
- Preferred: 7 years of deploying scalable and responsible AI solutions on AWS, Google Cloud, Azure, or equivalent private cloud.
- Preferred: experience developing complex AI systems, agentic workflows, LLM inference, similarity search, VectorDBs, guardrails, memory, model optimization, model compression, and dynamic inference strategies.
- Preferred: experience architecting heterogeneous AI systems and enforcing ethical AI standards involving explainability, fairness, and human-in-the-loop review.
- Preferred: strong communication and presentation skills and the ability to apply current AI research in production.
Benefits
- Comprehensive health, financial, and other benefits supporting total well-being, with eligibility varying by employment status and management level.
- The role is eligible for performance-based incentive compensation, including possible cash bonuses and long-term incentives.
- The position is posted for a minimum application period of 5 business days.
- The employer will consider sponsoring a new qualified applicant for employment authorization for this position.
Categories
About Capital One
Capital One is a U.S. consumer and commercial bank that offers credit cards, checking and savings accounts, auto financing, and lending to small and large businesses. It earns revenue from interest income and interchange/fees across its card and banking products, and develops cloud-based digital services. Founded in 1994, Capital One is publicly traded on the NYSE (COF) and is headquartered in McLean, Virginia.