- Design, develop, test, and maintain mainframe applications
- Analyze business requirements and translate them into technical solutions
- Develop and support batch and online applications using COBOL, JCL, CICS, and DB2
- Perform code reviews, debugging, performance tuning, and optimization
- Support production incidents, root cause analysis, and issue resolution
- Collaborate with business analysts, architects, QA teams, and project stakeholders
- Ensure adherence to coding standards, security policies, and best practices

Requirements
- Strong experience in COBOL, JCL, CICS, DB2, VSAM, IMS, MQ Series, and TSO/ISPF
- Experience with production support and incident management
- Knowledge of SDLC, Agile methodologies, and DevOps practices
- Strong analytical and troubleshooting skills
- Excellent communication and stakeholder management abilities
- Bachelor's degree in Computer Science, Information Technology, or related field
- 6+ years of experience in Mainframe Development/Engineering
- Proven experience delivering enterprise-scale applications and production support
- Preferred:



Mainframe modernization and cloud migration exposure
- Preferred: Experience with REST APIs and integration technologies
- Preferred: Knowledge of Git, CI/CD pipelines, and automation tools
- Preferred: Banking, Insurance, Healthcare, or Financial Services domain experience

Core Competencies

Demonstrates expertise in Mainframe Development, including COBOL, JCL, CICS, and DB2, with a strong focus on production support and incident management. Proven ability to analyze business requirements and deliver enterprise-scale applications while adhering to coding standards and best practices.

Highest-signal resume keywords
- COBOL
- JCL
- CICS
- DB2
- Production Support

Hard Skills
- Mainframe Development
- Batch Applications
- Online Applications
- Code Reviews
- Debugging
- Performance Tuning
- Root Cause Analysis
- SDLC
- Agile Methodologies
- DevOps Practices

Soft Skills
- Analytical Ski

📌 Mainframe Developer (Guadalajara)
🏢 Jobtailor
📍 Guadalajara