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Mainframe developer h1.location_city

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Mainframe developer • chicago il

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Cards Mainframe Developer

eTeamChicago, IL
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Role Name: Cards Mainframe Developer.We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB, VSAM, and Unix Shell Scripting.The ideal candidate will be respon...[internal_linking.show_more]

Quantitative Developer

Flare energy servicesChicago, IL, USA
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[job_card.full_time]
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We are seeking a highly skilled and motivated Quantitative Developer to join our team.As a Quantitative Developer, you will be responsible for developing and implementing quantitative models and st...[internal_linking.show_more]

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Senior.Net Developer

Motion RecruitmentChicago, Illinois, United States
[job_card.full_time] +1

One of the coolest Health Tech startup in Chicago is continuing to grow.Their usability focused software supports the day-to-day operations of caretakers, helping staff and administrators improve t...[internal_linking.show_more]

Magento Developer

Swift Pace SolutionsChicago, IL, Illinois, USA
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Calibri, sans-serif; color:red">Magento Developer [internal_linking.show_more]

Software Developer

OutlierChicago, IL, United States
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Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback.We collaborate with leading AI organizations to train Large Language Models (LLMs) to functio...[internal_linking.show_more]

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Snowflake Developer

Goldenpick TechnologiesChicago, IL, United States
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Snowflake Developer: We are seeking an experienced Snowflake Developer to join our data engineering team.The ideal candidate will have strong expertise in Snowflake data platform capabilities, with...[internal_linking.show_more]

Lead.Net Developer

Akaasa TechnologiesChicago, IL, United States
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Client Location/Address: 233 S Wacker Dr, Chicago, IL 60606 Onsite Requirement: 2 days/week in Chicago Qualifications 8+ years of experience in software develo...[internal_linking.show_more]

Python Developer

Two95 International Inc.Chicago, IL, US
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Experience implementing back-office solutions.Transactions, settlements, anything related to back-office.Experience with real-time applications and solutions.Experience in supporting post-trade pro...[internal_linking.show_more]

Snowflake Developer

Digital Links IncChicago, IL, United States
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We're Hiring: Snowflake Developer Location: Chicago IL(Hybrid) Must- (profile should be between 13-15 Years only acceptable h1b, USC, GC only) Required Expertise [internal_linking.show_more]

Web Developer

Rise25Chicago, IL, US
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We are looking for a great Wordpress and web developer to help our fast-growing company.Your role would be supporting our team and top tier clients by posting content directly to their website for ...[internal_linking.show_more]

Software Developer

LancesoftChicago, IL, US
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We are seeking a Sr Software Engineer with 8+ years of overall experience and a minimum of 3 years experience using Golang to design, develop, and maintain scalable backend systems.In this role, yo...[internal_linking.show_more]

Mainframe Batch Specialist - Hybrid

TEKsystemsCicero, IL, USA
[job_card.full_time]

Description:* The Cyber Security Operations (CSO) function within Global Information Security is responsible for all aspects of threat intelligence and monitoring, application and network security,...[internal_linking.show_more]

Mainframe Systems Engineer (zOS Mainframe Internals, Parallel Sysplex, Hardware & Storage) Remote

Norfolk SouthernChicago, IL, US
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[job_card.full_time]

Requisition 39683: B4 Mainframe Systems Engineer.A resume helps you stand out to hiring managers and recruiters; your resume communicates your experience and your brand.While it is not required, we...[internal_linking.show_more]

Senior.Net Developer

Vensoft IncChicago, IL, United States
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Hi, Please share the resume at abhic@vensoft.Net Developer Must be local to Chicago, IL (hybrid) Top 5 Skill sets 1.[internal_linking.show_more]

 • [job_card.new]

Python Developer

Aumnitech LLCChicago, IL, United States
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Job Title: Python Developer Work Mode: Onsite - Chicago, IL Duration: Long-Term *Local Candidate Preferred Primary Responsibilities on the Project: <...[internal_linking.show_more]

Hardware Developer

QuantiqChicago, IL, US
[job_card.full_time]

Quantiq specializes in high frequency derivatives trading in the largest markets worldwide.Our approach is rigorous and pragmatic, driven by technological expertise and analytics, informed by real-...[internal_linking.show_more]

Mainframe Senior Developer

Northern Trust CorporationChicago, IL
[job_card.full_time]

AND Principal Responsibilities.The Mainframe Senior Developer is responsible for installing, maintaining, upgrading, and supporting various system software products for TNT's z/OS operating system ...[internal_linking.show_more]

iOS Developer

Hudson Manpowerchicago, IL, US
[job_card.full_time]

Seeking a motivated iOS Developer to design, develop, and maintain high-quality mobile applications for Apple devices.Must collaborate with cross-functional teams and follow best coding practices.D...[internal_linking.show_more]

Salesforce Developer

SMBHDChicago, Illinois, United States
[job_card.full_time]

Note: This position is an in-person position in our Chicago office.Salesforce consulting firm with little interest in big corporation strategies and over-the-shoulder micromanagement.Salesforce and...[internal_linking.show_more]

Cards Mainframe Developer

Cards Mainframe Developer

eTeamChicago, IL
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  • [job_card.permanent]
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Role Name: Cards Mainframe Developer
Location: Chicago

JOB DESCRIPTION:

We are looking for an experienced Mainframe Developer with strong expertise in COBOL, JCL, DB, VSAM, and Unix Shell Scripting. The ideal candidate will be responsible for developing, supporting, and optimizing mainframe applications, building automation scripts, managing backend integration workflows, and ensuring reliability across production and batch systems.

This role requires strong technical skills, problem-solving capabilities, and the ability to work effectively with cross-functional teams.

  • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB
  • Troubleshoot, debug, and resolve mainframe application issues across development, testing, and production environments
  • Optimize JCL, COBOL programs, and DB queries to improve system performance and efficiency
  • Support daily batch processing, ensure job success, and resolve job abends promptly
  • Develop and maintain Unix/Linux shell scripts for automation, batch scheduling, and system integrations
  • Ensure seamless integration between Unix-based automation and mainframe backend systems
  • Troubleshoot and enhance existing scripts, improving stability and execution performance
  • Develop and maintain PL/SQL procedures, functions, packages, and triggers
  • Perform SQL tuning and optimize database queries for performance
  • Integrate shell scripts with relational databases (Oracle, DB, MySQL, or similar)
  • Monitor scheduled jobs, resolve production incidents, and ensure overall batch stability
  • Conduct root cause analysis (RCA) and implement permanent fixes
  • Enhance performance of scripts, jobs, and database queries through continuous tuning
  • Work closely with stakeholders to gather requirements and translate them into scalable solutions
  • Participate in Agile ceremonies and collaborate with QA, business, and support teams
  • Create and maintain technical documentation including design specs, support guides, and system documentation
  • Strong hands-on experience in mainframe technologies: COBOL, JCL, VSAM, DB
  • Solid expertise in Unix/Linux shell scripting
  • Strong SQL and PL/SQL skills (procedures, functions, triggers, packages)
  • Experience integrating shell scripts with relational databases
  • Strong debugging, analytical, and problem-solving skills
  • Good understanding of batch processing and automation workflows
  • Ability to work independently and collaboratively within a team
  • Experience in banking, cards, or financial services domains
  • Experience with ticketing tools and production support processes
  • Familiarity with Git, CI/CD pipelines, or DevOps practices
  • Knowledge of Python or Java for extended automation or backend integrations
  • COBOL, PL/I, Assembler
  • CICS, IMS, and system administration on DB/CICS/IMS
  • REXX scripting for automation and migration tasks
  • Strong troubleshooting skills for IBM mainframe product-related issues