JAVA Programmers

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

Salary: $92,000 - 132,000 per year

Requirements

• 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.

Technologies

• Azure
• CICS
• COBOL
• Support
• JCL
• Java
• Kafka
• SQL
• Spring
• Spring Boot
• VSAM
• microservices
• Cloud

More

We are seeking an experienced Mainframe Developer to develop, maintain, and support enterprise applications in a mainframe environment. The role focuses on delivering reliable technical solutions for critical business processes.

last updated 41 week of 2026