Lead Software Engineer, Back End (Java/ Python/ Go Backend, REST/ GraphQL APIs, WAF, HTTP Protocol, AWS)

Do you love building and pioneering at the intersection of security and cloud infrastructure? Do you enjoy solving complex problems in a fast-paced, collaborative, and iterative environment? At Capital One, you'll be part of a team of makers, breakers, doers, and disruptors who protect millions of customers at the edge of our network every day. We are seeking Back End Software Engineers who are passionate about edge security, automation, and leveraging emerging technologies — including AI — to stay ahead of evolving threats.

Design, build, and operate edge network security infrastructure including WAF rule sets, bot protection services, and traffic inspection pipelines that defend Capital One's applications at scale

Develop and maintain Python-based automation and tooling that manages WAF policies & infrastructure, bot mitigation configurations, and security event workflows across AWS environments

Build and maintain serverless architectures using AWS Lambda, Application Load Balancers, DynamoDB, and related AWS services to power real-time threat detection and response

Use AI coding assistants and AI-driven analysis tools to accelerate development, identify patterns in security telemetry, and build smarter, faster protection capabilities

Collaborate with security, product, and platform teams to translate threat intelligence and compliance requirements into deployable infrastructure-as-code