... custom applications or existing software modifications with legacy and new systems Work on ... Mainframe COBOL Proficient in DB2 / SQL MVS and JCL TSO / ISPF Good verbal and written ...
... custom applications or existing software modifications with legacy and new systems Work on ... Mainframe COBOL Proficient in DB2 / SQL MVS and JCL TSO / ISPF Good verbal and written ...
Mainframe Programmer
Chicago, IL · On-site
$100K - $110K/yr
... applications of developed projects and recommend technical solutions • Demonstrate solid ... Programming, Implementation Salary Range- $100,000-$110,000 a year #LI-SP3 #LI-VX1
Mainframe Programmer
Chicago, IL · On-site
$100K - $110K/yr
... applications of developed projects and recommend technical solutions • Demonstrate solid ... Programming, Implementation Salary Range- $100,000-$110,000 a year #LI-SP3 #LI-VX1
R&D Engineer Software 3
Lisle, IL · On-site +1
Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...
R&D Engineer Software 3
Lisle, IL · On-site +1
Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...
Java Full Stack/React Developer
Chicago, IL · On-site
$54 - $69.75/hr
NO remote "Looking for a Senior Developer to work, deploy, and manage web / API based applications ... Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No
Java Full Stack/React Developer
Chicago, IL · On-site
$54 - $69.75/hr
NO remote "Looking for a Senior Developer to work, deploy, and manage web / API based applications ... Can we use Freelancer? : No * Named Job Posting? (if Yes - needs to be approved by SCSC) : No
The Role We are seeking a skilled Mainframe Logical Security Engineer to design, implement, and ... Datasets * Applications (CICS, DB2, IMS, MQ) * System resources Security Controls & Compliance
The Role We are seeking a skilled Mainframe Logical Security Engineer to design, implement, and ... Datasets * Applications (CICS, DB2, IMS, MQ) * System resources Security Controls & Compliance
Freelance Insights Manager
Chicago, IL · On-site
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Quick apply
Freelance Insights Manager
Chicago, IL · On-site
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Freelance Insights Manager
Chicago, IL · On-site +1
$300 - $400/day
... engineering social listening exercises into cultural trends, our actionable insights are at the ... Deep understanding of major social media platforms and their strategic applications Preferred ...
Lead Gupta SQL Windows/Centura Technical Consultant
Chicago, IL · On-site
$95 - $120/hr
... applications software built using Mainframes and client server technologies. * Strong experience building and managing applications built using GuptaSQL/Centura Team Developer * Strong experience ...
Lead Gupta SQL Windows/Centura Technical Consultant
Chicago, IL · On-site
$95 - $120/hr
... applications software built using Mainframes and client server technologies. * Strong experience building and managing applications built using GuptaSQL/Centura Team Developer * Strong experience ...
Hadoop Developer
Riverwoods, IL · On-site
... Operational Applications and Analytical needs. Design, develop, validate and deploy the ETL ... systems/mainframe and vice-versa. 3+ years' experience in Importing and exporting the data using ...
Hadoop Developer
Riverwoods, IL · On-site
... Operational Applications and Analytical needs. Design, develop, validate and deploy the ETL ... systems/mainframe and vice-versa. 3+ years' experience in Importing and exporting the data using ...
R&D Software Engineer
Lisle, IL · On-site
Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...
R&D Software Engineer
Lisle, IL · On-site
Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...
The role involves providing L2/L3 production support for AS400-based applications, performing ... , DevOps) • Ensure adherence to change management and release processes. • Handle on-call ...
The role involves providing L2/L3 production support for AS400-based applications, performing ... , DevOps) • Ensure adherence to change management and release processes. • Handle on-call ...
Senior Mainframe Software Engineer (Hogan API)
Chicago, IL · On-site
$126K - $166K/yr
Bank is seeking an Application Developer with design and development experience to contribute ... Has a holistic view on how the applications across more than one context integrate with each other.
Senior Mainframe Software Engineer (Hogan API)
Chicago, IL · On-site
$126K - $166K/yr
Bank is seeking an Application Developer with design and development experience to contribute ... Has a holistic view on how the applications across more than one context integrate with each other.
Broadcom's Mainframe Software Division (MSD) is looking for a talented, motivated, and experienced Software Engineer with a passion for building high-quality applications using Agile practices to ...
Broadcom's Mainframe Software Division (MSD) is looking for a talented, motivated, and experienced Software Engineer with a passion for building high-quality applications using Agile practices to ...
Oracle Fusion Accounting Hub experience Experience with OCR applications Mainframe OS390 background (COBOL, JCL, TSO/ISPF, etc.) Batch scheduling tool knowledge (Mainframe Control-M) Additional ...
Oracle Fusion Accounting Hub experience Experience with OCR applications Mainframe OS390 background (COBOL, JCL, TSO/ISPF, etc.) Batch scheduling tool knowledge (Mainframe Control-M) Additional ...
ServiceNow Service Mapping
Chicago, IL · On-site
$60 - $65/hr
Create and maintain service maps in ServiceNow for critical business applications, including ... Collaborate with network engineering teams to map network dependencies and entry points for ...
Quick apply
ServiceNow Service Mapping
Chicago, IL · On-site
$60 - $65/hr
Create and maintain service maps in ServiceNow for critical business applications, including ... Collaborate with network engineering teams to map network dependencies and entry points for ...
AS400 Synon Application support Engineer
Schaumburg, IL · On-site
$110K - $130K/yr
... Knowledge of modernization approaches (Mainframe/AS400 to Cloud) is a plus. Roles ... for AS400-based applications. • Perform incident analysis, root cause identification, and ...
AS400 Synon Application support Engineer
Schaumburg, IL · On-site
$110K - $130K/yr
... Knowledge of modernization approaches (Mainframe/AS400 to Cloud) is a plus. Roles ... for AS400-based applications. • Perform incident analysis, root cause identification, and ...
CIS Application Support Engineer (Customer/1 + COBOL)
Chicago, IL · Remote
$90 - $110/hr
We're seeking an experienced CIS Application Support Engineer with deep, hands‐on expertise in ... Experience with mainframe environments , JCL , DB2 , or similar legacy technologies Role Details
Quick apply
CIS Application Support Engineer (Customer/1 + COBOL)
Chicago, IL · Remote
$90 - $110/hr
We're seeking an experienced CIS Application Support Engineer with deep, hands‐on expertise in ... Experience with mainframe environments , JCL , DB2 , or similar legacy technologies Role Details
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Hands-on experience using Roblox Studio and/or developing applications or games on the Roblox ...
Quick apply
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Hands-on experience using Roblox Studio and/or developing applications or games on the Roblox ...
Freelance Mainframe Applications Developer information
See Chicago, IL salary details
$10.40 - $15.69
7% of jobs
$15.69 - $20.98
0% of jobs
$20.98 - $26.27
0% of jobs
$26.27 - $31.56
0% of jobs
$31.56 - $36.85
2% of jobs
$36.85 - $42.14
6% of jobs
$45.20 is the 25th percentile. Wages below this are outliers.
$42.14 - $47.43
16% of jobs
The median wage is $50.42 / hr.
$47.43 - $52.72
32% of jobs
$57.46 is the 75th percentile. Wages above this are outliers.
$52.72 - $58.01
12% of jobs
$58.01 - $63.30
8% of jobs
$63.30 - $68.59
15% of jobs
$10
$50
$68
How much do freelance mainframe applications developer jobs pay per hour?
As of Aug 13, 2026, the average hourly pay for freelance mainframe applications developer in Chicago, IL is $50.42, according to ZipRecruiter salary data. Most workers in this role earn between $44.81 and $58.70 per hour, depending on experience, location, and employer.
What are the most commonly searched types of Mainframe Applications Developer jobs in Chicago, IL?
The most popular types of Mainframe Applications Developer jobs in Chicago, IL are:
What are popular job titles related to Freelance Mainframe Applications Developer jobs in Chicago, IL?
For Freelance Mainframe Applications Developer jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Freelance Mainframe Applications Developer jobs in Chicago, IL look for?
The top searched job categories for Freelance Mainframe Applications Developer jobs in Chicago, IL are:
Full-time
Re-posted 22 days ago
Job description
Company Description
Sonoma Consulting is one of the fastest growing Global IT Consulting and Executive Search providers with offices in Naperville IL; Chicago IL; Tyson's Corner VA and Hyderabad India.
Our clients range from start-ups to Fortune 500 companies throughout the world. We look to our large recruiting team to continue to build upon the high standards we have set and ways to continually improve our recruiting process around the speed and quality of the resources we deliver. The Sonoma team prides itself on best model for delivery of IT Resources in a 24/7 model, our high level of professionalism and integrity which enables us to create long-term, meaningful relationships with our clients.
Job Description
Key Job Responsibilities:
Participate in translating business and customer requirements into well researched and designed custom applications or existing software modifications with legacy and new systems
Work on troubleshooting problems as well as recommend / implement effective solutions
Document testing and maintenance of system changes
On-call support responsibilities
Qualifications
Requirements:
Working knowledge of EDI documents and hands-on mapping experience a plus
Experience with Sterling Integrator (GIS/B2BI) mapping tool is a plus
Proficient in Mainframe COBOL
Proficient in DB2 / SQL
MVS and JCL
TSO / ISPF
Good verbal and written communication
Experience writing technical specifications and developing test plans
Must have experience and working knowledge of software development life-cycle
Good troubleshooting skills
Ability to work in team environment as well as individually
Familiarity with INSYNC, Xpeditor, CICS, SDSF, IMS and SCLM preferred
Knowledge of XML structures, EDIFACT standards and JAVA a plus
Knowledge of FTP and AS2 communications is a plus
Additional Information
Sonoma Consulting is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law.
About Sonoma Consult
Sourced by ZipRecruiter
Sonoma Consult is a California based C corporation helping companies bring products to the patient by working closely with the engineering teams and the clinicians. Our goal, no matter what stage of product development, is to create and execute a plan of action to move the product through the appropriate clinical and regulatory steps. Sonoma Consult works cohesively with the engineers and physicians to translate technologies to the clinic. Our goal is to help you get the very best product to the clinic and to the market. This includes planning, execution and ensuring critical data is delivered in the right format to ensure the feedback loop to the design team ultimately delivers the most advanced technology to the patient.
Industry
Business management consulting
Company size
1 - 10 Employees
Headquarters location
Sonoma, CA, US