CrawlJobs Logo
Capital One Logo Capital One · IT - Software Development

Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)

United States, Cambridge Employment contract 197300.00 - 245600.00 USD / Year · Job Posted June 10, 2026
Apply Position
Job Link Share

Job Description

At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent — along with our deep experience in machine learning — position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges to answering their questions in real time, our applications of AI & ML are bringing humanity and simplicity to banking. We are committed to continuing to build world-class applied science and engineering teams to deliver our industry leading capabilities with breakthrough product experiences and scalable, high-performance AI infrastructure. At Capital One, you will help bring the transformative power of emerging AI capabilities to reimagine how we serve our customers and businesses who have come to love the products and services we build.

Job Responsibility

  • Partner with a cross-functional team of engineers, research scientists, technical program managers, and product managers to deliver AI-powered products that change how our associates work and how our customers interact with Capital One
  • Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc.
  • Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more
  • Invent and introduce state-of-the-art LLM optimization techniques to improve the performance — scalability, cost, latency, throughput — of large scale production AI systems
  • Contribute to the technical vision and the long term roadmap of foundational AI systems at Capital One

Requirements

  • 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 Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 2 years of experience developing AI and ML algorithms or technologies
  • At least 4 years of experience programming with Python, Go, Scala, or Java

Nice to have

  • 6 years of experience deploying scalable and responsible AI solutions on cloud platforms (e.g. AWS, Google Cloud, Azure, or equivalent private cloud)
  • Experience designing, developing, delivering, and supporting AI services
  • Experience developing AI and ML algorithms or technologies (e.g. LLM Inference, Similarity Search and VectorDBs, Guardrails, Memory) using Python, C++, C#, Java, or Golang
  • Experience developing and applying state-of-the-art techniques for optimizing training and inference software to improve hardware utilization, latency, throughput, and cost
  • Passion for staying abreast of the latest AI research and AI systems, and judiciously apply novel techniques in production

What we offer

  • performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
  • comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being
Capital One - All Job Offers

Looking for more opportunities?

Search for other job offers that match your skills and interests.

Suggested Tags: Frontend Developer Secretary Talent Manager Salesforce Administrator Data Analyst
Similar Jobs for

Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)

8 matching positions

Lead AI Engineer (AI Foundations, LLM Customization and Finetuning)

At Capital One, we are creating responsible and reliable AI systems, changing ba...
Location
Location
United States , Cambridge; McLean; New York; San Jose
Salary
Salary:
197300.00 - 245600.00 USD / Year
capitalone.com Logo
Capital One
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 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 Computer Science, AI, Electrical Engineering, Computer Engineering, or related fields plus at least 2 years of experience developing AI and ML algorithms or technologies
  • At least 4 years of experience programming with Python, Go, Scala, or Java
Job Responsibility
Job Responsibility
  • Partner with a cross-functional team of engineers, research scientists, technical program managers, and product managers to deliver AI-powered products that change how our associates work and how our customers interact with Capital One
  • Design, develop, test, deploy, and support AI software components including foundation model training, large language model inference, similarity search, guardrails, model evaluation, experimentation, governance, and observability, etc
  • Leverage a broad stack of Open Source and SaaS AI technologies such as AWS Ultraclusters, Huggingface, VectorDBs, Nemo Guardrails, PyTorch, and more
  • Invent and introduce state-of-the-art LLM optimization techniques to improve the performance — scalability, cost, latency, throughput — of large scale production AI systems
  • Contribute to the technical vision and the long term roadmap of foundational AI systems at Capital One
What we offer
What we offer
  • Eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI)
  • comprehensive, competitive, and inclusive set of health, financial and other benefits
  • Fulltime
Read More
Arrow Right

Senior Applied Scientist and Principal Applied Scientist

Are you passionate about advancing Artificial Intelligence through innovative re...
Location
Location
United States , Redmond
Salary
Salary:
119800.00 - 234700.00 USD / Year
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics predictive analytics, research)
  • OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) related experience
  • OR equivalent experience
  • Ability to meet Microsoft, customer and/or government security screening requirements
  • Microsoft Cloud Background Check
  • Additional or Preferred Qualifications: Bachelor's Degree AND 6+ years related experience
  • OR Master's Degree AND 4+ years related experience
  • OR Doctorate AND 3+ years related experience
  • OR equivalent experience
Job Responsibility
Job Responsibility
  • Collaborate with AI researchers, engineers, and multidisciplinary teams within M365 Core to design, build, and deliver end-to-end machine learning solutions optimized for human-human and human-AI interactions across productivity and collaboration scenarios
  • Lead and contribute to research and development initiatives in language model training, evaluation, and quality assessment with a specific focus on advancing the foundational capabilities and enterprise solutions of M365 Core
  • Design, develop, and refine robust ML pipelines, including data cleaning, feature engineering, model training, evaluation, deployment, and optimization
  • Adapt, extend or enhance the capability of large language models (LLMs) using a combination of supervised finetuning, reinforcement learning, and apply advanced techniques such as chain of thought prompting, agent orchestration, and synthetic data generation to meet evolving business needs
  • Remain current with the latest advancements in ML, AI, digital signal processing, and responsible AI practices, contributing to intellectual property portfolios through publications, patents, and libraries
  • Develop and deploy live production systems as part of integrated product teams, supporting all phases of the product cycle from ideation to shipping, post-launch optimization, and ongoing improvements
  • Champion ethics, fairness, and privacy in AI system development, contributing to policy creation and ensuring responsible research and data collection practices
  • Document work in progress, experimentation results, and share findings to promote a culture of innovation and transparency
  • Mentor and develop early-in-career team members, establish best practices, and collaborate with academic communities to build a robust recruiting pipeline for research talent
  • Present research findings at conferences and industry events, shaping the dialogue around AI-powered solutions for enterprise and communication platforms
  • Fulltime
Read More
Arrow Right

Senior Applied Scientist

Do you want to shape the future of the autonomous enterprise and lead the develo...
Location
Location
Denmark , Copenhagen
Salary
Salary:
Not provided
https://www.microsoft.com/ Logo
Microsoft Corporation
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years related experience (e.g., statistics predictive analytics, research)
  • OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research)
  • OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) related experience (e.g., statistics, predictive analytics, research)
  • OR equivalent experience.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • Prior expertise in natural language processing (NLP)
  • Strong foundation in large language model (LLM) development, evaluation, and fine-tuning.
  • Hands-on experience in applying advanced fine-tuning techniques—including instruction tuning, reinforcement learning from human feedback (RLHF), and tool-augmented generation—to build agents capable of multi-step reasoning and decision-making.
  • Familiarity with prompt/context engineering, context-aware orchestration, and integrating LLMs with external tools and APIs is essential.
Job Responsibility
Job Responsibility
  • Deliver impactful solutions by executing highleverage data science and analytics initiatives within a product area or feature team, ensuring measurable improvements to user and business outcomes.
  • Lead the design and implementation of advanced model finetuning pipelines, including Reinforcement Learning from Human Feedback (RLHF), to align AI system behavior with user intent and improve performance in realworld scenarios.
  • Own complex, endtoend projects that combine technical depth with crossfunctional collaboration, influencing feature direction and prioritization rather than broad organizational investment decisions.
  • Foster alignment and trust across partner teams through clear, actionable communication and collaborative problemsolving.
  • Develop and maintain robust measurement systems, experimentation frameworks, and causal inference methodologies tailored to dynamic AI systems and enterprisescale environments.
  • Mentor and support peers by sharing best practices, reviewing designs, and contributing to a collaborative, highperformance team culture.
  • Leverage AI to streamline workflows and enhance team productivity through intelligent automation and innovation.
  • Fulltime
Read More
Arrow Right

Resident Assistant

If you’re looking for a job that goes beyond the basics to deliver purpose and j...
Location
Location
United States of America , Hillsboro
Salary
Salary:
18.00 - 20.00 USD / Hour
leisurecare.com Logo
Leisure Care
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Demonstrated experience in a caregiving role
  • Current CNA a plus!
Job Responsibility
Job Responsibility
  • Assists resident with activities of daily living (ADL's) and all personal care skills (bathing, dressing, grooming, toileting)
  • Makes appropriate observations about the resident’s condition in every interaction
  • Records and follows-up with changes in resident’s condition in a timely manner
  • Assists residents with laundry and housekeeping services as needed
What we offer
What we offer
  • Medical, Dental and Vision
  • Early Wage Access (access to earned wages when needed!)
  • 401k
  • 10 days vacation & 1 hour Sick Leave earned for every 30 hours worked
  • Bereavement & Jury Duty Leave
  • 6 Holidays
  • 2 Float Holidays
  • Flexible Spending Accounts (Health and Dependent Care)
  • Meal Discounts
  • Tuition Assistance
  • Fulltime
Read More
Arrow Right

Traffic Management CAD Technician

FM Conway is currently recruiting a Traffic Management CAD Technician to join ou...
Location
Location
United Kingdom , Ipswich
Salary
Salary:
Not provided
jobs.360resourcing.co.uk Logo
360 Resourcing Solutions
Expiration Date
July 04, 2026
Flip Icon
Requirements
Requirements
  • Strong knowledge of Traffic Management operations
  • experience using CAD, BricsCAD and Cone 11 software
  • ability to read and translate blueprints and technical drawings
  • ability to work well under pressure, prioritise tasks effectively and have excellent attention to detail
  • M7 Lantra qualification is highly desirable, but not essential
Job Responsibility
Job Responsibility
  • Working within a team of Traffic Management development designers and Project Engineers to ensure that drawings are to a high and legal standard
  • Producing clear drawings, signage placement layouts and diversion route strategies
  • Developing safe and efficient traffic management plans for work sites and road network
  • Carrying out on site assessments as required
  • Designing sites in accordance with Chapter 8 TSM
  • Engaging with Project Teams & Engineers to respond effectively to working methods that require traffic Management designs that conform to a legal standard
What we offer
What we offer
  • Career and professional development
  • 23 days holiday plus bank holidays
  • Life assurance
  • Opportunities for internal and external training
  • Access to a wide range of shopping discounts through Rewarding Great People platform
  • Health and well-being benefits including 24-hour advice lines
  • Support from in-house mental health first aiders
  • Fulltime
Read More
Arrow Right

Registered Nurse, CVOR

Baptist Downtown is hiring a Registered Nurse for our Cardiovascular Operating R...
Location
Location
United States , Jacksonville
Salary
Salary:
Not provided
baptistjax.com Logo
Baptist Health (Florida)
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • 1-2 years Operating Room Nursing Experience Required
  • Basic Life Support (BLS) Required
  • Advanced Cardiac Life Support (ACLS) Required
  • Licensed Registered Nurse Required
  • Associate of Science, Nursing
  • Registered Nurse (RN) - State Nursing Boards
  • Driver's License - DMV
  • Basic Life Support (BLS) - AHA
  • Advanced Cardiac Life Support (ACLS) - AHA
Job Responsibility
Job Responsibility
  • Providing for patient needs as recognized through use of the nursing process
  • Supervision of care provided by supportive personnel and coordination of care provided by ancillary services
  • Including patients and significant others (SO)/families in developing an individualized plan of care
  • Education of patients/SO/families to their disease process and plan of care
  • Coordinating and preparing assigned operating room/case
  • Assessment of patient care needs and the anticipation of needs of the case
  • Circulating, scrubbing, assisting on Cardiothoracic and vascular procedures
  • Fulltime
Read More
Arrow Right

Pediatric Occupational Therapist

Wolfson Children's Hospital Rehab Services is hiring a Pediatric Occupational Th...
Location
Location
United States , Jacksonville
Salary
Salary:
Not provided
baptistjax.com Logo
Baptist Health (Florida)
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Bachelor's degree (or higher) in Occupational Therapy Required
  • Licensed Occupational Therapist from FL Department of Health Required
  • Basic Life Support (BLS) certification from the American Heart Association Required
  • Pediatric Occupational Therapy in the outpatient setting is strongly preferred
Job Responsibility
Job Responsibility
  • Evaluates and treats patients with developmental, neurological, orthopedic, and medical diagnoses
  • Extensive patient/family education
  • Works with multidisciplinary team care
What we offer
What we offer
  • $1,000 Sign on Bonus
Read More
Arrow Right

Nursery Manager

Join the Kindred Family – Lead, Inspire, and Make a Difference. Are you an exper...
Location
Location
United Kingdom , Hauxton
Salary
Salary:
34000.00 - 36000.00 GBP / Year
jobs.360resourcing.co.uk Logo
360 Resourcing Solutions
Expiration Date
Until further notice
Flip Icon
Requirements
Requirements
  • Proven experience in leading and managing a team within early years
  • Strong written and verbal communication skills
  • Excellent organisational skills and attention to detail
  • Outstanding customer service and time management
  • Full and relevant Early Years Level 3 Childcare Qualification or higher
  • Sound knowledge of EYFS and OFSTED guidelines
Job Responsibility
Job Responsibility
  • Lead the Deputy Manager, Third in Charge, and Room Leaders to ensure high standards of Early Years care and education
  • Maintain an organised, safe, and stimulating nursery environment
  • Keep accurate records and ensure procedures are followed across the nursery
  • Build and maintain a reputation as the nursery of choice for children and staff
  • Model and monitor best practice in line with regulatory guidelines
  • Inspire and support your team, overseeing inductions, mentoring, and ongoing development
  • Ensure the nursery runs efficiently, meets KPIs, budgets, and targets, and is prepared for audits and inspections
  • Oversee the day-to-day operations of the nursery
  • Lead by example, modelling good practice and creating a shared vision
  • Supervise, support, and allocate tasks to your team
What we offer
What we offer
  • Birthday Off
  • 6 Fully Paid Sick Days
  • Cashback Healthcare Plan
  • Retail Discounts
  • Recognition & Reward Scheme
  • 50% Childcare Discount
  • 24/7 Virtual GP Access
  • 24/7 Counselling Support
  • Discounted Gym Membership
  • Personal Financial Advisor Access
  • Fulltime
Read More
Arrow Right