Senior Mainframe Software Engineer – COBOL/MVS

Visa

Highlands Ranch (CO)

On-site

USD 104,600 - 162,300

Full time

14 days+

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Job summary

Visa is seeking a Senior Software Engineer for the MVS Offline Development team to design, develop, test, and maintain mainframe batch applications on the IBM z/OS390 platform. You will work with COBOL, JCL, and PROCs, deliver high-quality code, and collaborate with cross-functional teams in a dynamic fintech environment.

The role emphasizes hands-on coding (60–75%), using AI-assisted development and modern tools to ensure secure, scalable solutions.

Qualifications

Master's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field.
Bachelor's degree in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum two (2) years of experience.
Minimum five (5) years of directly related experience.

Responsibilities

Collaborate with stakeholders to interpret requirements for project components and incorporate feedback into future designs or solution fixes.
Translate business requirements by verifying assumptions and escalating potential design issues to appropriate stakeholders.
Contribute to project estimation and elevate issues that may cause delays.
Develop, implement, and maintain code for products, services, or components, applying coding patterns, guidelines, and best practices.
Apply debugging tools to verify assumptions and proactively flag issues before they occur.
Participate in code reviews to ensure coding standards are followed and address routine pull requests.
Manage end-to-end lifecycle of application enhancements by working with architects, systems analysts, project managers, QA and other developers to successfully implement projects while applying the latest available tools and technology including GenAI tools.
Leverage and build knowledge of software developer tools to create, debug, and maintain code for components.
Remain current in skills by investing time in training resources to improve product availability, reliability, observability, and performance.
Prepare technical documents, develop code, review code, build environment, review test results, and prepare plan for implementation.
Analyze technical impact, stability, and functionality due to any custom change.
Manage small to medium-sized project/initiatives as an individual contributor with advanced knowledge within discipline.
Identify opportunities for future enhancements and refinements to standards, best practices and development methodologies.
Work with Software Configuration Management on the implementation and support of software maintenance releases.
Stay current with emerging technologies in AI, cloud computing, and mainframe modernization.
Evaluate new tools and frameworks as they become available and recommend adoption as appropriate.