AI Engineer 5 (LLM Gateway, FM Hosting)
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 components including foundation-model training, LLM inference, agents, similarity search, guardrails, evaluation, governance, and observability.
- Develop foundation-model optimization techniques to improve scalability, cost, latency, throughput, and hardware utilization.
- Design, implement, 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.
- Lead technical design councils and review boards for consistency and compliance with AI engineering standards.
- Mentor Principal- and Manager-level AI engineers and contribute to the long-term technical roadmap for foundational AI systems.
Requirements
- Bachelor's degree in Computer Science, AI, Electrical Engineering, Computer Engineering, or a related field plus at least six years of experience developing AI and ML algorithms or technologies, or a master's degree in one of these fields plus at least four years of relevant experience.
- At least six years of programming experience with Python, Go, Scala, CUDA, or Java.
- Experience leading AI-system development with tradeoffs involving cost, latency, throughput, and accuracy.
- Preferred experience deploying scalable and responsible AI solutions on AWS, Google Cloud, Azure, or equivalent private cloud environments.
- Experience developing complex AI systems, LLM inference, similarity search, vector databases, guardrails, memory, agentic workflows, and heterogeneous AI production pipelines.
- Experience optimizing training and inference software, right-sizing models and infrastructure, and balancing model performance with operational cost.
- Experience defining ethical AI deployment standards involving explainability, fairness, and human-in-the-loop review.
- Strong AI research awareness, communication, presentation, and technical leadership skills.
Benefits
- Comprehensive health, financial, and other benefits supporting total well-being, with eligibility varying by employment and management status.
- Eligible for performance-based incentive compensation, including cash bonuses and/or long-term incentives.
- Annual base salary varies by location: Cambridge, MA and McLean, VA $229,900-$262,400; New York, NY and San Jose, CA $250,800-$286,200.
- Capital One will consider sponsoring a new qualified applicant for employment authorization for this position.
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.