Senior Lead AI Platform Engineer: RAG & Knowledge Library

Capital One National Association; New York (NY); On-site; USD 251,000 - 286,000; Full time

Job summary

Capital One is seeking a Senior Lead Software Engineer to own the AI platform and knowledge infrastructure for enterprise-scale marketing content generation. You’ll help build a shared platform enabling compliant, on-brand content generation across the organization.

You will lead design and implementation of retrieval pipelines, prompts, and AI operations, collaborating with multiple teams on API contracts and governance.

Qualifications

• Bachelor’s Degree required; Internship not considered.
• 1+ year cloud computing (AWS, Azure, GCP) experience.

Responsibilities

• Design and build the Content Moderation Knowledge Library used across channels and products.
• Own the embedding search and retrieval pipelines for grounded AI generation.
• Lead Prompt MLOps with versioned prompts and evaluation loops against production data.

Skills

Python

RAG systems

LLM production

Vector search

APIs design

AWS services

Interactive AI tooling

Education

Bachelor's Degree

Master’s Degree

Tools

OpenSearch

Pinecone

PGvector

Weaviate

Job description

Capital One is seeking a Senior Lead Software Engineer to own the AI platform and knowledge infrastructure for enterprise-scale marketing content generation. You’ll help build a shared platform enabling compliant, on-brand content generation across the organization.

You will lead design and implementation of retrieval pipelines, prompts, and AI operations, collaborating with multiple teams on API contracts and governance.