Demo

Mainframe Developer- MN/CO/IL/CA/NJ/TX/GA

Ventures Unlimited Inc
Chicago, IL Full Time
POSTED ON 6/20/2026
AVAILABLE BEFORE 9/16/2026

• Design, code, test, debug, document, maintain, and modify computer programs of high complexity, significance, and risk

• Participate in application architecture functions including estimating and defining time tables, cost and project tasks

• Recommend solutions to improve business with a focus on core architecture, technology strategies and standards

• Guide others through change impact analysis

• Establish, refine and integrate development and test environment tools and software as needed

• Review, analyze, refine and integrate development and test environment tools and software as needed

• Create and recommend improvements to unit, test plans and testing process based on assessment of organizational needs

• Collaborate closely with teams in all stages of software development lifecycle including design, development and testing of the system

• Design basic and detailed program specifications while ensuring that expected application performance levels are achieved by managing interfaces, service levels, standards, and configurations

• Guide technical staff and business partners to investigate, review, and solve complex, multidisciplinary business problems

• Monitor operating efficiency and organizational needs of existing application systems and identify opportunities to fine-tune and optimize applications of developed projects and recommend technical solutions

• Demonstrate solid understanding of the business needs driving the projects


Basic Qualifications:

• 7 years of experience with developing and implementing applications

• 10 to 15 years of experience in Cobol, JCL,DB2


Preferred Skills/Experience:

Cobol, JCL,DB2, CICS and VSAM development experience. Strong Endevor, FileManager, CA7, IDZ, GITLAB and TSO

Development skills, Tool experience.

• Excellent debugging skills

• Good understanding of third-party dependency management and transitive dependency issues

• Strong knowledge on DB2 database

• Understanding of the software development life cycle/Agile development experience

• Experience with implementation and release management activities

• Good understanding of unit/system and functional testing methodologies

• Experience working in large transaction-based systems

• ; Experience writing technical designs

• Experience documenting technical functions

• Strong Communication and good leadership skills

• Have a strong ability and interest in working with a diverse range of technical and non-technical teams.

• Strong proclivity to follow coding standards and execute a best practices approach in build processes.

• Nice to have: MQ knowledge

Desired Skills:

• Preferred Banking/credit cards domain knowledge

• Quality leadership and mentoring skills

• Ability to work under minimal supervision

• Ability to foster strong collaboration among team members and multitask effectively

• Ability to investigate and recommend best practices and process improvements

• Detail oriented and able to debug complex errors.

• Subject matter expert in: Programming, Implementation

Salary.com Estimation for Mainframe Developer- MN/CO/IL/CA/NJ/TX/GA in Chicago, IL
$143,817 to $175,117
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mainframe Developer- MN/CO/IL/CA/NJ/TX/GA?

Sign up to receive alerts about other jobs on the Mainframe Developer- MN/CO/IL/CA/NJ/TX/GA career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$72,620 - $96,681
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$150,756 - $194,140
Income Estimation: 
$172,191 - $221,861
Income Estimation: 
$114,549 - $164,025
Income Estimation: 
$153,752 - $200,235
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Ventures Unlimited Inc

  • Ventures Unlimited Inc Jersey, NJ
  • Position:- Unix/Perl Developer , Location:- Jersey City, NJ , Visa :- US Citizen / Green Card & GC EAD only. Duration:- Full Time Position, Job Description... more
  • Just Posted

  • Ventures Unlimited Inc Columbus, OH
  • Job Title: Service Desk Location: Columbus, OH - Hybrid work schedule;; onsite every 3rd day at 1970 West Broad Street, Columbus. Duration: 12 Months (Exte... more
  • Just Posted

  • Ventures Unlimited Inc Culver, CA
  • Must Have Technical/Functional Skills Job Overview We are looking for a highly skilled and experienced Microsoft Dynamics 365 Developer to join our technol... more
  • Just Posted

  • Ventures Unlimited Inc Jersey, NJ
  • Responsibilities: · Support technical delivery through coding, development, and testing; · Understanding of automated processes for building, testing (inte... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Mainframe Developer- MN/CO/IL/CA/NJ/TX/GA jobs in the Chicago, IL area that may be a better fit.

  • Jobs via Dice Lisle, IL
  • Dice is the leading career destination for tech experts at every stage of their careers. Our client, cloudingest inc, is seeking the following. Apply via D... more
  • 3 Days Ago

  • Capgemini Chicago, IL
  • Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired ... more
  • 5 Days Ago

AI Assistant is available now!

Feel free to start your new journey!