Fiserv · 23 hours ago
Sr. Mainframe Developer
Berkeley Heights, NJ
Full-time
Onsite
Mid, Senior Level
$110K/yr - $186K/yr
5+ years expFiserv is a global leader in Fintech and payments, connecting financial institutions, corporations, merchants, and consumers. The Sr. Mainframe Developer will work across all phases of the software development lifecycle, focusing on high-quality code production and system enhancements for critical applications like PEP+ and ARP/SMS.
Financial ServicesFinTechInformation ServicesInformation Technology
No H1B
U.S. Citizen Only
Responsibilities
Develop code that meets design and architectural requirements and supports system testing
Understand the impact of changes across the application
Discuss aspects of the design with architects, team leads and business analysts to check understanding and raise concerns
Enhance and maintain existing application software, continually providing support for internally developed applications
Accurately communicate development status on a regular basis to team leads
Assist the production support team in defect analysis
Qualification
Required
Bachelor's degree in Computer Science or related degree, or equivalent experience
5+ years' experience in COBOL, DB2, BMS Maps, VSAM, JCL and IBM Utilities experience
5+ years' experience with IBM Mainframes and TSO/ISPF development environment
5+ years' experience with Endevor or similar source control application
5+ years' experience in software design principles and software architecture
Demonstrated verbal and written communication skills
A self-starter, who takes initiative with challenging situations
Ability to work independently, as well as work with others in a group development setting
Preferred
2+ years' experience with PEP+ Mainframe ACH Software
Experience building reusable components and modules
Experience with performance improvements and high-volume transaction processing
Experience with financial service applications
Experience with Agile/Kanban development methodologies
Experience with JIRA
Experience working with remote and offshore development teams
Experience with IBM DEBUG and File Manager
Experience with CLIST and REXX
Benefits
Annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards
Company
Fiserv
Fiserv is a provider of technology solutions to the financial services industry.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$2.48BKey Investors
BlackBird Financial LP
2026-01-06Post Ipo Equity
2025-04-29Post Ipo Debt· $2.48B
1986-10-03IPO
Leadership Team
Michael Lyons
President and CEO-Elect, Fiserv
Robert Hau
EVP, CFO
Recent News
2026-01-09
2026-01-09
Electronic Payments International
2026-01-09
Company data provided by crunchbase