Mainframe Developer Jobs USA – Banking Domain | Columbus, OH (Onsite) | H1B Only | 8+ Years Required
Introduction
Mainframe Developer Jobs Columbus OH The demand for Mainframe Developer Jobs USA continues to remain strong, especially within the banking and financial services sector, where legacy systems still power mission-critical operations. Financial institutions rely heavily on mainframe technologies for secure, high-volume transaction processing, making experienced professionals highly valuable.
Mainframe Developer Jobs Columbus OH We are currently hiring a Mainframe Developer (Banking Domain) for a long-term opportunity in Columbus, Ohio. This role is specifically targeted at professionals with deep expertise in banking systems, COBOL programming, and enterprise mainframe environments.
If you are searching for Mainframe Developer Jobs Banking USA, COBOL Developer Jobs USA, or Mainframe Banking Jobs USA, this is a high-priority opportunity with strict requirements Mainframe Developer Jobs Columbus OH

Job Overview
- Role: Mainframe Developer (Banking Domain)
- Location: Columbus, OH (Onsite)
- Employment Type: C2C
- Visa Requirement: H1B Only (Passport Number Mandatory)
- Experience Required: 10+ Years (Mandatory)
- Domain: Banking / Financial Services
Why This Role is High Value
This position stands out among Mainframe Developer Jobs USA due to:
- Strong focus on banking domain systems and financial applications
- Opportunity to work on high-volume transaction processing platforms
- Exposure to core banking technologies and legacy modernization
- High demand for experienced professionals in COBOL and mainframe systems
Professionals looking for COBOL Developer Jobs USA or Banking Domain IT Jobs USA will find this role aligned with long-term career stability.
Role Summary
Mainframe Developer Jobs Columbus OH As a Mainframe Developer, you will be responsible for designing, developing, and maintaining core banking applications running on mainframe systems. You will work closely with business stakeholders and technical teams to ensure system reliability, performance, and security.
This role is ideal for professionals targeting Mainframe Banking Jobs USA and advanced Legacy System Developer roles.
Key Responsibilities
1. Mainframe Application Development
- Develop and maintain applications using COBOL, JCL, and DB2
- Work on batch and online transaction processing systems
- Enhance existing banking applications
2. Banking Domain Implementation
- Work on core banking systems and financial applications
- Handle transaction processing, payments, and account management systems
- Ensure compliance with banking regulations
3. System Maintenance & Support
- Troubleshoot production issues and provide fixes
- Perform system upgrades and enhancements
- Maintain system stability and performance
4. Data & Security Management
- Ensure data integrity and security across systems
- Follow banking compliance and audit requirements
5. Collaboration & Documentation
- Work with cross-functional teams (QA, Business Analysts, Support Teams)
- Document technical specifications and processes
Mandatory Skills & Experience
Candidates applying for Mainframe Developer Jobs Banking USA must have:
- Minimum 10+ years of experience (Mandatory) in:
- Mainframe Development
- Banking / Financial Domain
- Strong expertise in:
- COBOL Programming
- JCL (Job Control Language)
- DB2 Database
- CICS (Customer Information Control System)
- Proven experience working in banking or financial services projects
- Strong understanding of:
- Transaction processing systems
- Batch processing
- Mainframe architecture
Important Requirements
- ❗ Banking Domain Experience is Mandatory
- ❗ Minimum 10+ Years Experience Required
- ❗ H1B Visa Only (Passport Number Required)
- ❗ Profiles without required experience will not be considered
Preferred Skills
Candidates targeting COBOL Developer Jobs USA should also have:
- Experience with mainframe modernization projects
- Knowledge of Agile methodologies
- Strong analytical and problem-solving skills
Work Environment
This role is designed for professionals looking for Onsite Mainframe Developer Jobs USA, offering:
- Work in a banking-focused enterprise environment
- Exposure to large-scale financial systems
- Opportunity to work on critical business applications
Career Growth Opportunities
This role provides long-term growth in:
- Mainframe Architecture
- Banking Technology Consulting
- Legacy System Modernization
- Enterprise Application Development
Professionals in Mainframe Banking Jobs USA often transition into:
- Mainframe Architect
- Banking Technology Lead
- IT Program Manager
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Learn about modern mainframe systems, enterprise computing, and banking infrastructure.
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📩 How to Apply
If you meet the above criteria and are interested in this Mainframe Developer Jobs USA opportunity, share your updated resume with required details.
📧 Apply Here: Nmadhava@adpmn.com
Frequently Asked Questions
1. Is banking domain experience mandatory?
Yes, candidates must have banking or financial domain experience.
2. What is the minimum experience required?
Minimum 10+ years in mainframe development.
3. What visa is accepted?
Only H1B visa candidates with passport number are accepted.
4. Is this a remote role?
No, this is an onsite role in Columbus, OH.