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Capital One Tech Blog

Latest thinking from our technologists. 

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Software Engineering

Reimagining dev with IBE

Article|February 12, 2025| 6 min read
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AI

Understanding agentic AI

Article|July 14, 2025| 7 min read
Software Engineering

Design for testing—Part one

Article|December 17, 2024| 3 min read

LATEST BLOG POSTS

publications

Continual pre-training of MoEs: how robust is your router?

A systematic study of Mixture of Experts (MoE) continual pre-training. (NeurIPS)

article |

publications

AutoBnB-RAG: enhancing multi-agent incident response

An extension of AutoBnB that incorporates RAG into multi-agent incident response simulations. (ICDM)

article |

software engineering

Design for testing Part 2: ​​Business vs. application logic

Separate business and application logic to balance unit, integration and E2E tests across the SDLC for higher test ROI.

article | November 10, 2025 | 9 min read

cloud

Lakehouse format convergence & data interoperability

Open table formats like Delta Lake and Apache Iceberg are converging to enable true interoperability across data platforms.

article | November 10, 2025 | 8 min read

ai

Capital One Fellows for 2025-2026

article | November 6, 2025 | 6 min read

software engineering

DynamoDB Streams Lambda pattern: Best practices

Explore the DynamoDB Streams Lambda sandwich pattern with scaling limits, concurrency challenges and cost trade-offs.

article | November 6, 2025 | 6 min read

cloud

Understanding the evolution of data lakes

Tracing the journey from Hadoop to Snowflake and Databricks and how lakehouse architecture is reshaping data platforms.

article | November 6, 2025 | 7 min read

publications

GRAID: synthetic data generation

A novel pipeline that leverages Large Language Models (LLMs) for dataset augmentation. (EMNLP)

article |

publications

Confidence-based response abstinence: LLM trustworthiness

A method for confidence estimation in RAG systems that aligns closely with the correctness of LLM outputs. (EMNLP)

article |

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