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# Mainframe Developer

- **Company:** Q1 Technologies, Inc.
- **Location:** Aurora, CO, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Agile Methodology, Application Performance Management, Customer Information Control System (CICS), COBOL (Programming Language), Computer Programming, IBM DB2, Distributed Systems, Middleware, Job Control Language (JCL), Mainframes, Systems Development Life Cycle, Software Engineering, Virtual Storage Access Methods, Syncsort, Software Security, File-aid, Extreme Programming, Easytrieve
- **Published:** August 29, 2026
- **Apply:** https://www.careerbuilder.com/job-details/senior-mainframe-developer-aurora-il--ec693c31-d42d-4b17-8d71-9fc15ced74bd

## About the Role

· 8+ years of experience COBOL, JCL, DB2, VSAM, CICS, ChangeMan, File Aid/File Manager, DFSORT, Syncsort and Easytrieve

· Develop high performing, scaling and innovative end-to-end applications

· Must have offshore team management experience.

Roles & Responsibilities

· Experience in migration from legacy to distributed systems.

· Apply principles of SDLC and methodologies like Lean/Agile/XP, CI, Software and Product Security, Scalability, Documentation Practices and Testing Techniques

· Write code that meets standards and delivers desired functionality using the technology selected for the project

· Understand performance parameters and assess application performance

· Experience on working with API through middleware.

· Working independently and taking ownership on business requirements.

· Collaborating with other technical partners and Product Owners.

· Strong technical and Analytical capabilities.

Skills:
Advantage CA-Easytrieve, Agile Programming Methodologies, Analysis Skills, Application Programming Interface (API), Cobol Programming Language, Computer Programming, Compuware File-aid, Distributed Computing, Documentation, Extreme Programming, File Management, IBM CICS (Customer Information Control System), IBM DB2, JCL (Job Control Language), Lean Manufacturing, Mainframe Computer, Middleware, Offshoring, Performance Analysis, Quality Assurance Methodology, Software Development Lifecycle (SDLC), Syncsort, Team Lead/Manager



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