Lead Software Engineer - Mainframe

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As a Lead Software Engineer at JPMorgan

Chase within the Enterprise Technology, youare an integral part of an agile team that works to enhance, build, and deliver trusted market‑leading technology products in a secure, stable, and scalable way. As a core technical contributor, you are responsible for conducting critical technology solutions across multiple technical areas within various business functions in support of the firm’s business objectives.

As a key overseer of the implementation and management of large‑scale mainframe systems within the financial services industry. This role is pivotal in ensuring the efficient operation and management of systems housing millions of Prime Brokerage and Wealth Management client account reference data. The ideal candidate will have a strong background in mainframe technologies and tools, along with experience in distributed technologies and AI tools.

• Lead the implementation and management of mainframe systems, ensuring high performance, reliability, and scalability.
• Utilize expertise in mainframe technologies such as Cobol, CICS, DB2, VSAM, MQ messaging, Stored procedures, DB2 Utilities, JCL, Change Man, NDM, and other file transfer mechanisms to maintain and enhance applications.
• Provide leadership, guidance, and support to ensure team success and development.
• Collaborate with cross‑functional teams to integrate distributed technologies and AI tools into mainframe systems, enhancing functionality and efficiency.
• Drive team adoption of enterprise‑authorized AI‑assisted engineering practices within the work environment to improve code quality, delivery speed, and operational outcomes (e.g., AI‑assisted code review/refactoring, test strategy acceleration, incident/root‑cause analysis support), while establishing consistent validation standards (secure coding, peer review, automated testing) and promoting reuse of effective patterns across the team.
• Apply knowledge of tools within the Software Development Life Cycle toolchain, including enterprise‑authorized AI‑assisted development and automation capabilities, to improve the value realized by automation.
• Ensure compliance with industry standards and best practices in mainframe technology and data management.
• Develop and implement strategies for system optimization, data integrity, and security.
• Monitor system performance and troubleshoot issues to ensure uninterrupted service.
• Communicate effectively with stakeholders, providing updates on project progress, challenges, and solutions.

• Formal training or certification on software engineering concepts and 5+ years applied experience
• Experience in the financial services industry, managing large‑scale mainframe applications.
• Extensive hands‑on experience in mainframe technologies and tools, including Cobol, CICS, DB2, VSAM, MQ messaging, Stored procedures, DB2 Utilities, JCL, Change Man, NDM, and file transfer mechanisms.
• Demonstrated experience leading effective use of approved AI‑assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability to set team expectations for validating AI outputs for correctness, performance, and security.
• Strong understanding of responsible AI use in engineering workflows, including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practices.
• Proven experience in managing large‑scale mainframe implementations and systems.
• Strong leadership skills with experience managing global teams
• Excellent problem‑solving skills and the ability to work under pressure.
• Strong communication and interpersonal skills.

• Experience with distributed technologies and AI tools is highly desirable