Ryan Pierce
Sacramento,CA
Summary
Experienced Mainframe Developer with 4+ years in COBOL, JCL, CICS, and VSAM. Delivers reliable application support, testing, debugging, and documentation with a strong focus on quality and maintainability. Coordinated with technical and non-technical teams to meet project objectives.
Overview
6
6
years of professional experience
Work History
Mainframe Developer
IBM, Global Business Services
Sacramento, California
05.2020 - Current
- Designed, implemented, deployed, tested and trouble-shooted applications on IBM Mainframes using COBOL, JCL, VSAM technologies.
- Supported COBOL, JCL, and CICS development for IBM Global Business Services mainframe projects.
- Developed, tested and debugged COBOL programs for mainframe applications.
- Reviewed source code for compliance with IBM Global Business Services standards, ensuring maintainability and quality.
- Performed unit testing of all developed programs and documented results.
- Collaborated closely with functional analysts, testers and other stakeholders throughout the SDLC process.
- Provided technical guidance and support, enhancing team capabilities and project outcomes.
- Documented technical changes and specifications, creating a comprehensive support resource for mainframe applications.
Education
Bachelor of Science - Computer Science
California State University, Sacramento
Sacramento, CA05-2019
Skills
- Functional programming languages: COBOL, JCL, Python, JavaScript, SQL, HTML, CSS
- Code review and assessment
- Unit testing and debugging
- Technical documentation skills
- AI knowledge and implementation
- Critical thinking
- Solution-oriented problem solving
- Mentoring practices
Timeline
Mainframe Developer
IBM, Global Business Services
05.2020 - Current
Bachelor of Science - Computer Science
California State University, Sacramento