Senior Mainframe & Java Developer: COBOL, DB2 & CICS

Signature IT World Inc; Chicago (IL); On-site; USD 92,000 - 132,000; Full time

Job summary

Signature IT World Inc. seeks an experienced Mainframe Developer to design, build, and maintain COBOL applications in a complex enterprise environment. You will optimize batch processing, develop DB2 programs, and support CICS real-time processing.

The role requires strong SQL, troubleshooting, and stakeholder collaboration skills, with preferred experience in Java, Spring Boot, microservices, Kafka, and Azure.

Qualifications

• 10+ years of experience in mainframe development.
• Hands-on experience with COBOL, JCL, DB2, CICS, and VSAM.
• Strong SQL and database development experience.
• Experience with batch processing and online transaction processing.
• Ability to interpret business requirements and develop techno-functional solutions.
• Strong troubleshooting and problem-solving skills.
• Good communication and stakeholder collaboration skills.
• Additional skills in Java, Spring Boot, microservices, Kafka, Azure, or full-stack Java are preferred.

Responsibilities

• Develop, enhance, and maintain COBOL mainframe applications for business processes.
• Design, build, and optimize JCL jobs for batch processing and scheduling.
• Develop and maintain DB2 programs, including SQL queries, data retrieval, and performance tuning.
• Develop and support CICS programs for real-time transaction processing.
• Manage VSAM files for data storage and access.
• Analyze business and functional requirements and translate them into technical solutions.
• Debug applications, troubleshoot issues, and identify root causes.
• Improve program and batch-process performance and reliability.
• Participate in testing, deployment, and production support.
• Collaborate with business analysts, technical teams, and other stakeholders.
• Prepare technical documentation and support knowledge transfer.
• Ensure solutions meet enterprise coding and quality standards.

Skills

Experience with mainframe systems

Strong communication

Stakeholder collaboration

Troubleshooting

Problem-solving

Tools

COBOL

JCL

DB2

CICS

VSAM

SQL

Java

Spring

Spring Boot

Kafka

Azure

microservices

Cloud

Job description

Signature IT World Inc. seeks an experienced Mainframe Developer to design, build, and maintain COBOL applications in a complex enterprise environment. You will optimize batch processing, develop DB2 programs, and support CICS real-time processing.

The role requires strong SQL, troubleshooting, and stakeholder collaboration skills, with preferred experience in Java, Spring Boot, microservices, Kafka, and Azure.