Remote Mainframe Developer

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 COBOI, 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 Development Design, develop, and enhance claims adjudication, pricing, and payment related mainframe applications Build and maintain COBOL programs supporting claim intake, edits, pricing, provider payment, and adjustments Develop and support CICS online transactions and high volume batch processing flows Implement business rules aligned with claims policy, benefits, reimbursement, and payment integrity logic Perform impact analysis for benefit changes, regulatory updates, and claim rule modifications Production Support & Stability Perform abend analysis, root cause analysis (RCA), and defect remediation Partner with Operations and Application Support teams to meet SLA, SOX, and audit requirements Support release validation, checkouts, and production cycles for claims systems Participate in scheduled on call rotations when required Data & Performance Optimization Optimize DB2 SQL for claims queries, extracts, and payment calculations Tune batch jobs and job streams to improve cycle time, batch window adherence, and CPU efficiency . Identify and resolve data integrity issues impacting claim outcomes and provider payment Integration & Modernization Support 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 integrations Collaborate with architects and senior SMEs on incremental modernization without impacting claims accuracy . Collaboration & Engineering Practices Work closely with: Claims product owners and business partners QA, UAT, and release teams Distributed application and data platform teams Contribute to: Code reviews Design discussions Technical documentation Mentor junior engineers and support consistent engineering standards Deliver work within Agile / Scrum delivery models

5-8+ years of hands on mainframe application development experience Strong proficiency in: COBOL CICS, DB2, VSAM JCL , MQ, Zos Connect and enterprise batch scheduling Experience with mainframe tools such as ISPF, SDSF, Endevor, File Aid, Abend Aid Strong analytical and debugging skills with attention to detail Ability to work independently on complex enhancements with minimal oversight Experience in healthcare claims processing (commercial, government, or provider billing) Familiarity with claims edits, pricing logic, benefits determination, and payment adjustments Exposure to payment integrity, clinical edits, or utilization review systems Experience supporting regulatory or audit driven changes Prior experience working in large scale enterprise claims environments