Senior Software Engineer, Full Stack (API Gateway) (Cloud Operations Resilience Engineering)

We are seeking a Full Stack Software Engineer to join our API Gateway platform team. You will be responsible for the design, deployment, and operational health of our critical API Gateways, which serve as a mission-critical platform for handling all API traffic and driving API strategy at Capital One.

The Cloud Operations Resilience Engineering (CORE) Technology division is responsible for enabling and evolving Capital One's foundational cloud infrastructure layer, including observability, connectivity, resilience and availability.

What You'll Do:

• End-to-End API Management: Lead the design, implementation, and maintenance of our API lifecycle, ensuring a seamless experience across our API portal and service ecosystem.
• Automation & Scalability: Engineer robust Infrastructure as Code (IaC) solutions and automated CI/CD pipelines to streamline deployments and eliminate manual operational overhead.
• Operational Excellence: Drive system reliability by leading incident management, defining technical requirements, and monitoring key performance metrics to ensure platform health.
• Strategy & Architecture: Shape the long-term technical infrastructure roadmap, including vendor selection and architectural standards, to ensure alignment with enterprise product goals.
• High-Volume Support: Provide dedicated support for our mission-critical API services, including advanced policy creation, proactive troubleshooting, and rapid production issue resolution.
• Security & Cloud Infrastructure: Oversee scalable cloud-native deployments on AWS and GCP, implementing enterprise-grade security standards (such as OAuth 2.0, mTLS, JWT, and JWKS) to safeguard API traffic.
• Core Technical Leadership: Utilize your expertise in Java, Python, Kubernetes, and observability tools like Datadog to build, secure, and optimize our foundational API infrastructure.

Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs., * Bachelor's Degree

• At least 3+ years of experience in software engineering (Internship experience does not apply), * 5+ years of experience in the following: JavaScript, Java, SQL, Python
• 3+ years of experience in API Gateway technologies, security and routing configurations
• 2+ years of experience with AWS, GCP, Microsoft Azure, or another cloud service
• 2+ years of experience in Agile practices
• Experience leveraging interactive AI tooling to accelerate productivity, utilizing capabilities beyond basic code completion

At this time, Capital One will not sponsor a new applicant for employment authorization, or offer any immigration related support for this position (i.e. H1B, F-1 OPT, F-1 STEM OPT, F-1 CPT, J-1, TN, E-2, E-3, L-1 and O-1, or any EADs or other forms of work authorization that require immigration support from an employer)

The minimum and maximum full-time annual salaries for this role are listed below, by location. Please note that this salary information is solely for candidates hired to perform work within one of these locations, and refers to the amount Capital One is willing to pay at the time of this posting. Salaries for part-time roles will be prorated based upon the agreed upon number of hours to be regularly worked.

Chicago, IL: $147,100 - $167,900 for Senior Software Engineer

Riverwoods, IL: $147,100 - $167,900 for Senior Software Engineer

Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter.

This role is also eligible to earn performance based incentive compensation, which may include cash bonus(es) and/or long term incentives (LTI). Incentives could be discretionary or non discretionary depending on the plan.

Capital One offers a comprehensive, competitive, and inclusive set of health, financial and other benefits that support your total well-being. Learn more at the Capital One Careers website. Eligibility varies based on full or part-time status, exempt or non-exempt status, and management level.

Capital One Financial is made up of several different entities. Please note that any position posted in Canada is for Capital One Canada, any position posted in the United Kingdom is for Capital One Europe and any position posted in the Philippines is for Capital One Philippines Service Corp. (COPSSC).