Capital One’s tech stack

Tech

Our tech stack

Capital One runs fully in the cloud, uses serverless at scale and prioritizes open source.

Cloud

We’re all in on the cloud and closed our last data center in 2021.

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Serverless 

Building and running serverless applications at a massive scale.

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Open Source

Prioritizing open source with contributions to 100+ projects.

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Featured articles

Best practices for serverless at scale with Brian McNamara, Distinguished Engineer at Capital One
Software Engineering

Serverless best practices & trends

Video|November 14, 2024|8 min read
Cloud and AI abstract illustration
Cloud

Cloud cost optimization tips

Video|March 20, 2025|45 min read
Open source
Open Source

Open source trends

Article|March 5, 2024|4 min read

Careers at Capital One

Building the next generation of talent

At Capital One, you’ll tackle challenging industry problems at the intersection of technology and finance. Join our team!

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