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 Skills
Troubleshooting Skills
Communication
Stakeholder Management
Certifications & Qualifications
Bachelor's Degree in Computer Science
Bachelor's Degree in Information Technology
Industry Keywords
Banking
Insurance
Healthcare
Financial Services
Mainframe Modernization
Cloud Migration
REST APIs
Integration Technologies
Tools & Technologies
VSAM
IMS
MQ Series
TSO/ISPF
Git
CI/CD Pipelines
Automation Tools
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📌 Mainframe Developer (Jalisco)
🏢 Jobtailor
📍 Jalisco