Demo

Senior Mainframe Application Developer – Banking Domain

Jobs via Dice
Wilmington, DE Full Time
POSTED ON 3/22/2026
AVAILABLE BEFORE 4/20/2026
Dice is the leading career destination for tech experts at every stage of their careers. Our client, MARKS IT SOLUTIONS LLC, is seeking the following. Apply via Dice today!

Senior Mainframe Application Developer – Banking Domain

Location: Wilmington, DE (Onsite – 5 Days a Week)

Visa Status: H1B

Positions: 2 (Backfill)

Role Overview

We are seeking an experienced Senior Mainframe Application Developer with strong expertise in IBM mainframe technologies within the banking domain. The ideal candidate will have extensive hands-on experience in COBOL, CICS, DB2, and messaging systems such as IBM MQ, along with a deep understanding of enterprise application development and support.

This role requires a professional who can work in a fast-paced, large corporate environment, collaborating with cross-functional teams to develop, maintain, and support critical banking applications. The consultant will be responsible for troubleshooting production issues, enhancing system performance, and ensuring application resiliency and stability.

The selected candidate will play a key role in maintaining legacy systems, supporting batch and online processes, and contributing to continuous improvement initiatives in an Agile environment.

Key Responsibilities

  • Develop, maintain, and support mainframe applications using COBOL, CICS, and DB2
  • Work with IBM MQ for message processing and integration across systems
  • Handle VSAM files, JCL jobs, and scheduling tools like CA7
  • Perform code debugging, testing, and production support in a large-scale environment
  • Troubleshoot and resolve application and system issues efficiently
  • Collaborate with cross-functional teams to gather and implement requirements
  • Participate in on-call support rotation, including weekends if required
  • Ensure application stability, resiliency, and adherence to security standards
  • Support Agile practices including CI/CD and continuous improvement initiatives
  • Utilize tools such as Changeman and other IBM mainframe utilities for deployments

Required Qualifications

  • Strong hands-on experience in IBM z/OS, COBOL, CICS, DB2, and JCL
  • Proven experience working with IBM MQ and CICS (mandatory)
  • Experience with VSAM, CA7 scheduling, and Changeman
  • Solid understanding of Software Development Life Cycle (SDLC) and Agile methodologies
  • Strong analytical, debugging, and problem-solving skills
  • Experience supporting production systems in a banking or enterprise environment
  • Ability to work collaboratively in large teams

Preferred Qualifications

  • Experience with IMS
  • Domain knowledge in Banking and Cards

Salary.com Estimation for Senior Mainframe Application Developer – Banking Domain in Wilmington, DE
$96,524 to $127,304
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 Senior Mainframe Application Developer – Banking Domain?

Sign up to receive alerts about other jobs on the Senior Mainframe Application Developer – Banking Domain career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$92,103 - $118,230
Income Estimation: 
$131,745 - $167,716
Income Estimation: 
$144,503 - $184,592
Income Estimation: 
$102,541 - $137,871
Income Estimation: 
$153,752 - $200,235
Income Estimation: 
$92,017 - $124,111
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
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 Jobs via Dice

  • Jobs via Dice Sheridan, WY
  • Dice is the leading career destination for tech experts at every stage of their careers. Our client, Varmoda Tech LLC, is seeking the following. Apply via ... more
  • 8 Days Ago

  • Jobs via Dice Burlington, VT
  • Desktop Deployment Technician (Part-Time - 20 Hours a week) (Contract Role) Overview We are seeking a Desktop Deployment Technician to support a large-scal... more
  • 8 Days Ago

  • Jobs via Dice Georgia, VT
  • Dice is the leading career destination for tech experts at every stage of their careers. Our client, AaraTechnologies Inc, is seeking the following. Apply ... more
  • 8 Days Ago

  • Jobs via Dice Alaska, AK
  • job summary: Enterprise Healthcare client has an immediate opening for a highly motivated Project Manager III to join their dynamic and growing team. All q... more
  • 8 Days Ago


Not the job you're looking for? Here are some other Senior Mainframe Application Developer – Banking Domain jobs in the Wilmington, DE area that may be a better fit.

  • Vy Systems Wilmington, DE
  • Job Description: Mandatory Skills - IBM-Z/OS COBOL, CICS, DB2, IBM MQ, VSAM, JCL, CA7, Changeman and IBM Mainframe Utilities along with problem solving ski... more
  • 29 Days Ago

  • Jobs via Dice Wilmington, DE
  • Dice is the leading career destination for tech experts at every stage of their careers. Our client, Galent, is seeking the following. Apply via Dice today... more
  • 10 Days Ago

AI Assistant is available now!

Feel free to start your new journey!