Capital One · 11 hours ago
Senior Associate, Data Scientist - LLM Customization Team
San Jose, CA
Full-time
Onsite
Mid, Senior Level
$136K/yr - $155K/yr
2+ years expCapital One is a leader in data-driven decision-making, and they are seeking a Senior Associate, Data Scientist to join their LLM Customization Team. In this role, you will leverage advanced machine learning and natural language processing technologies to develop AI-powered products that enhance customer financial interactions.
Financial Services
Responsibilities
Partner with a cross-functional team of data scientists, applied researchers, software engineers, machine learning engineers and product managers to deliver AI powered products that change how customers interact with their money
Leverage a broad stack of technologies — Pytorch, Hugging Face, AWS Ultraclusters, LangChain, VectorDBs, and more — to reveal the insights hidden within huge volumes of numeric and textual data
Be the expert in Natural Language Processing (NLP) to harness the power of Large Language Models (LLMs), adapt and finetune them for business specific applications and features
Build NLP models through all phases of development, from design through training, evaluation, and validation; partnering with engineering teams to operationalize them in scalable and resilient production systems
Flex your interpersonal skills to translate the complexity of your work into tangible business goals
Qualification
Required
Bachelor's Degree plus 2 years of experience in data analytics, or Master's Degree, or PhD
At least 1 year of experience in open source programming languages for large scale data analysis
At least 1 year of experience with machine learning
At least 1 year of experience with relational databases
You are experienced in training language models or large computer vision models as well as have expertise in one or more key subdomains such as: training optimization, self-supervised learning, explainability, RLHF
You have an engineering mindset as shown by a track record of delivering models at scale both in training data and inference volumes
You have experience in delivering libraries, platforms, or solution level code to existing products
Preferred
Master's Degree in 'STEM' field (Science, Technology, Engineering, or Mathematics), or PhD in 'STEM' field (Science, Technology, Engineering, or Mathematics)
Experience working with AWS
At least 2 years' experience in Python, Scala, or R
At least 2 years' experience with machine learning
At least 2 years' experience with SQL
Benefits
A comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being
Company
Capital One
Capital One is a financial services company that provides banking, credit card, auto loan, savings, and commercial banking services.
10001+ employees
H1B Sponsorship
Capital One has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (723)
2024 (488)
2023 (545)
2022 (909)
2021 (672)
2020 (944)
Funding
Current Stage
Public CompanyTotal Funding
$5.45BKey Investors
Berkshire Hathaway
2025-09-11Post Ipo Debt· $2.75B
2025-01-30Post Ipo Debt· $1.75B
2023-05-15Post Ipo Equity· $954M
Leadership Team
Daniel Arellano
Senior Vice President, Business Cards and Payments
Justin Burch
Senior Vice President
Recent News
2026-01-25
2026-01-25
2026-01-25
Company data provided by crunchbase