Role: Senior Mainframe Developer Location: Hybrid Candidates are expected to travel onsite for team meetings 1x a quarter in DC, Fairfax or Reston. Summary: CareFirst is seeking a Sr. Mainframe Developer to assist with replicating CareFirst''s existing reports written in COBOL for a new line of business (USPS Employees This resource will be responsible for creating detailed technical design, code, code review and testing of new COBOL reports in support of the Member transition /USPS project. Should also be able to run batch jobs and reports in a mainframe environment. Required Experience: 10+ years of mainframe report development experience including 5+ years of experience developing reports in COBOL Experience running batch jobs and reports in a mainframe environment Experience with Spring Batch JIRA experience Nice to have: Prior healthcare experience Prior back-end java development experience