Remote Mainframe Developer

Senior Software Development Engineer – Mainframe (Claims)The Senior Software Development Engineer – Mainframe (Claims) is a senior individual contributor responsible for developing, enhancing, and supporting enterprise claims adjudication and financial processing systems on the mainframe platform. This role focuses on building and maintaining COBOL, CICS, DB2, and batch applications that support accurate claim processing, pricing, and payment outcomes. The engineer works independently on moderately complex enhancements and production issues while collaborating with product, QA, operations, and downstream system teams. The role also supports regulatory changes, system stability, and payment integrity initiatives and contributes to modernization efforts impacting claims processing.Key Responsibilities:Claims Application DevelopmentDesign, develop, and enhance claims adjudication, pricing, and payment related mainframe applicationsBuild and maintain COBOL programs supporting claim intake, edits, pricing, provider payment, and adjustmentsDevelop and support CICS online transactions and high volume batch processing flowsImplement business rules aligned with claims policy, benefits, reimbursement, and payment integrity logicPerform impact analysis for benefit changes, regulatory updates, and claim rule modificationsProduction Support & StabilityPerform abend analysis, root cause analysis (RCA), and defect remediationPartner with Operations and Application Support teams to meet SLA, SOX, and audit requirementsSupport release validation, checkouts, and production cycles for claims systemsParticipate in scheduled on call rotations when requiredData & Performance OptimizationOptimize DB2 SQL for claims queries, extracts, and payment calculationsTune batch jobs and job streams to improve cycle time, batch window adherence, and CPU efficiencyIdentify and resolve data integrity issues impacting claim outcomes and provider paymentIntegration & ModernizationSupport integration of mainframe claims platforms with downstream and upstream systems (vendor feeds, pricing engines, clinical edits)Participate in modernization initiatives such as service enablement, API exposure, and hybrid cloud integrationsCollaborate with architects and senior SMEs on incremental modernization without impacting claims accuracyCollaboration & Engineering PracticesWork closely with: Claims product owners and business partnersQA, UAT, and release teamsDistributed application and data platform teamsContribute to: Code reviewsDesign discussionsTechnical documentationMentor junior engineers and support consistent engineering standardsDeliver work within Agile / Scrum delivery models