Senior Full-Stack Engineer: Mainframe to Cloud Resilience

Capital One; McLean (VA); Hybrid; USD 197,000 - 225,000; Full time

Job summary

Capital One in McLean, VA is seeking a Full-stack Engineer 4 (Mainframe Systems & z/OS) to drive a major transformation by integrating legacy mainframe capabilities with modern cloud-native technologies. The role emphasizes leading a portfolio of projects, mentoring engineers, and delivering robust cloud-based experiences for millions of customers.

The successful candidate will utilize Cobol/JCL in legacy environments while ramping to modern tools such as Java, Scala, Python, Go, Node.js,

Responsibilities

• Lead a portfolio of diverse technology projects and a team of developers with deep experience in distributed microservices and full stack systems to create solutions that meet regulatory needs for the company
• Mentor other engineers, participate in internal and external tech communities, and stay on top of emerging technologies
• Collaborate with digital product managers and deliver robust cloud-based solutions for millions of Americans
• Utilize IBM z/OS, IBM Scheduler, DB2, Cobol/JCL knowledge to stabilize legacy functionality and migrate to cloud
• Use Java, Scala, Python, Go, Node.js, JavaScript/TypeScript with AWS tools and Kubernetes to build, deploy, and operate modern systems
• Provide technical leadership across Agile teams, set design and operational standards
• Partner with architects to define service boundaries, patterns, and reusable frameworks
• Identify improvement areas, refactor, and reduce technical debt for better performance
• Influence long-term tech strategy in a

Job description

Capital One in McLean, VA is seeking a Full-stack Engineer 4 (Mainframe Systems & z/OS) to drive a major transformation by integrating legacy mainframe capabilities with modern cloud-native technologies. The role emphasizes leading a portfolio of projects, mentoring engineers, and delivering robust cloud-based experiences for millions of customers.

The successful candidate will utilize Cobol/JCL in legacy environments while ramping to modern tools such as Java, Scala, Python, Go, Node.js,