Mainframe COBOL Software Engineer

Fiserv

. Support 24x7x365 production activities for North Front End Host Data Capture applications, including research, investigation, fixes, reporting to stakeholders, and implementation .

Posted 10/22/2026full-timeCoral Springs • Florida • United StatesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in COBOL, JCL, DB2, and TCP/IP on IBM Mainframe, with a strong focus on the Software Development Life Cycle and technical design documentation. Proven ability to support production activities and implement application improvements while collaborating effectively with stakeholders.

Highest-signal resume keywords

COBOL ProgrammingMainframe DevelopmentSoftware Development Life CycleTechnical Design DocumentationSQL and DB2 Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

COBOLJCLDB2TCP/IPSQLGenAI AssistantsCICSSoftware TestingApplication DevelopmentHigh-Volume Transaction Software

Soft Skills

CommunicationCollaborationProblem-SolvingPeer ReviewStakeholder Engagement

Tools & Technologies

JiraServiceNow

Industry Keywords

Payments DomainFinancial DomainSecure Coding Principles

Tech Stack

Tools & technologies

SDLCServiceNowSQLTCP/IP

About the role

Key responsibilities & impact

Support 24x7x365 production activities for North Front End Host Data Capture applications, including research, investigation, fixes, reporting to stakeholders, and implementation
Conduct long-term application improvements to ensure compatibility with evolving mission requirements
Develop customized solutions supporting critical business functions, project objectives, client requirements, and company goals
Design, code, test, and debug high-volume transaction software using Mainframe COBOL, JCL, DB2, and TCP/IP on IBM Mainframe
Create design documentation and review it with project stakeholders and management
Collaborate with the test team to ensure proper testing of software changes
Peer review code changes, backout plans, and implementation plans
Use Jira to track software changes from design through deployment
Use ServiceNow to create change records and work incidents
Communicate with project managers, clients, and developers across development, testing, and deployment phases
Present application performance improvements and innovations to Product and IT management
Keep current with evolving technologies, secure coding principles, and payment-specific business requirements

Requirements

What you’ll need

4+ years of experience in COBOL, CICS, TCP/IP, and Mainframe
4+ years of experience in full Software Development Life Cycle and Testing Methodologies
4+ years of experience in technical design writing and documentation
2+ years of experience working with SQL and DB2 databases
1+ years of experience using GenAI assistants or LLM developer tools and incorporating AI into daily development activities
Ability to work some nights and weekends throughout the year for production code deployment and team support schedule
Bachelor’s degree in computer science, engineering, or a related field, or an equivalent combination of education, work, and/or military experience
Experience in the payments or financial domain would be great to have
Successful completion of standard background checks
Must apply using legal name
Must complete the step-by-step profile and attach a resume

Benefits

Comp & perks

Full-time, direct-hire employment
Equal Opportunity Employer
Reasonable accommodation for applicants with disabilities
Standard background checks as part of employment offers