Mainframe Developer

Insight Global (United States); West Des Moines (IA); On-site; USD 62,000 - 76,000; Full time

Benefits offered by this job

Benefits starting day one

401(k) after 90 days

Paid time off

Job summary

Insight Global is seeking a Mainframe Application Developer to design, build, and support core business applications. This role focuses on translating business requirements and use cases into reliable, high‑performing mainframe solutions with long‑term scalability and maintainability, including batch and online processing.

The ideal candidate has 6+ years of mainframe development experience with COBOL and JCL, a strong debugging mindset, and a track record of delivering clean, readable, reusable

Qualifications

• 6+ years of mainframe development experience.
• Strong COBOL and JCL skills.
• Solid understanding of mainframe design and architecture.
• Experience supporting enterprise-scale applications.
• Strong problem-solving and debugging skills.
• Ability to write clean, readable, and well-structured code.

Responsibilities

• Translate business requirements and use cases into functional mainframe applications.
• Work on backlogs and tech debts.
• Ensure application performance, quality, and responsiveness.
• Identify system bottlenecks and defects, and implement effective solutions.
• Apply appropriate design and architectural patterns in a mainframe environment.
• Develop reusable code libraries and utilities.
• Collaborate with cross-functional teams to support ongoing enhancements and maintenance.

Skills

Mainframe development

COBOL

JCL

Debugging

Readable code

Enterprise-scale apps

Job description

• 6+ years of Mainframe development experience
• Strong experience with: COBOL and JCL
• Solid understanding of mainframe application design and architecture
• Experience supporting enterprise‑scale applications
• Strong problem‑solving and debugging skills
• Ability to write clean, readable, and well‑structured code

Day to Day:

Insight Global is seeking a Mainframe Application Developer to design, build, and support core business applications. This role focuses on translating business requirements and use cases into reliable, high‑performing mainframe solutions while ensuring long‑term scalability, maintainability, and performance. The ideal candidate is a strong COBOL developer who understands mainframe batch and online processing, has experience navigating enterprise mainframe environments, and writes clean, structured, reusable code.

• Translate business requirements, storyboards, and use cases into functional mainframe applications
• Working on Backlogs and Tech debts
• Ensure application performance, quality, and responsiveness
• Identify system bottlenecks and defects, and implement effective solutions
• Apply appropriate design and architectural patterns in a mainframe environment
• Develop reusable code libraries and utilities
• Collaborate with cross‑functional teams to support ongoing enhancements and maintenance

Compensation:

$45/hr-55/hr.

Exact compensation may vary based on several factors, including skills, experience, and education.

Employees in this role will enjoy a comprehensive benefits package starting on day one of employment, including options for medical, dental, and vision insurance. Eligibility to enroll in the 401(k) retirement plan begins after 90 days of employment. Additionally, employees in this role will have access to paid sick leave and other paid time off benefits as required under the applicable law of the worksite location.