Vani Suresh

Senior Mainframe Technical Lead with 13+ years of experience delivering enterprise application development, modernization, production support, and technical leadership across Healthcare Insurance and Telecommunications domains. Delivered scalable business solutions using COBOL, JCL, CICS, DB2, IMS DB, VSAM, SQL, and core IBM Mainframe technologies supporting high-volume, mission-critical enterprise applications. Led end-to-end software delivery across the Software Development Life Cycle (SDLC), including requirements analysis, solution design, development, testing, implementation, deployment, and post-production support.

Specialized in application modernization, legacy system enhancements, performance optimization, batch processing improvements, and data migration initiatives that improved operational efficiency and application reliability. Collaborated with business stakeholders, product owners, architects, and cross-functional teams to perform impact analysis, define technical solutions, and deliver business-critical enhancements in Agile environments. Led development teams by conducting technical design reviews, code reviews, release planning, developer mentoring, and ensuring compliance with enterprise development standards and quality practices.

Designed and implemented enhancements for healthcare insurance platforms, supporting member enrollment, claims processing, eligibility, commission management, and regulatory compliance initiatives. Resolved complex production issues through root cause analysis, incident management, performance tuning, and proactive system optimization to maintain high availability of enterprise applications.

Senior Mainframe Technical Lead - Humana - Louisville, Kentucky (Remote)

(2025-02)

Humana is one of the largest healthcare insurance providers in the United States. The project focuses on enhancing and modernizing enterprise healthcare applications supporting member enrollment, claims processing, policy administration, eligibility, and regulatory compliance through mission-critical IBM Mainframe systems.

• Led the design, development, and enhancement of enterprise Mainframe applications using COBOL, JCL, DB2 delivering scalable solutions for healthcare insurance platforms.
• Collaborated with business stakeholders, product owners, and solution architects to gather requirements, perform impact analysis, and translate business needs into technical solutions.
• Designed and implemented application enhancements supporting healthcare insurance operations, including member enrollment, policy administration, and regulatory compliance initiatives.
• Modernized legacy Mainframe components by optimizing batch processing, improving application performance, and implementing system enhancements to increase operational efficiency and application stability.
• Performed detailed technical analysis, functional design, code development, unit testing, and production implementation while ensuring adherence to enterprise development standards and SDLC best practices.
• Led code reviews, mentored development team members, and provided technical guidance to improve code quality, maintainability, and knowledge sharing across project teams.
• Coordinated production releases, deployment activities, and environment validations while ensuring successful implementation with minimal business disruption.
• Investigated and resolved complex production incidents through root cause analysis, performance tuning, and proactive problem management to maintain high system availability.
• Partnered with cross-functional Agile teams throughout sprint planning, backlog refinement, estimation, user story analysis, and release execution to deliver business-critical enhancements.
• Supported SIT, UAT, and Production environments by resolving defects, validating system functionality, and ensuring reliable delivery of enterprise healthcare applications.

Mainframe Lead - Elevance Health (UST) - India

(2021-06 - 2023-04)

Developed and enhanced enterprise healthcare insurance applications supporting commission management, member services, and policy administration. The project focused on application modernization, production maintenance, performance optimization, and continuous enhancements for large-scale IBM Mainframe systems serving critical healthcare business operations.

• Led the development, maintenance, and modernization of enterprise Mainframe applications using COBOL, JCL, CICS, DB2, IMS DB, and VSAM, delivering enhancements for healthcare insurance business processes.
• Gathered business requirements, performed impact analysis, and prepared functional and technical design documentation to implement complex application enhancements and production fixes.
• Modernized legacy Mainframe programs by optimizing batch processing, reducing job execution time, and improving application performance and operational efficiency.
• Conducted peer code reviews, validated technical solutions, and collaborated with development teams to maintain coding standards, application quality, and deployment readiness.
• Coordinated Agile delivery activities, including sprint planning, backlog refinement, daily stand-ups, release planning, and production implementation with cross-functional teams.
• Supported SIT, UAT, and Production environments by resolving application defects, performing root cause analysis, and ensuring timely resolution of business-critical incidents.
• Collaborated with business analysts, product owners, and architects to evaluate enhancement requests, define technical solutions, and support continuous application improvements.
• Participated in production release management, deployment validation, and post-release support to ensure stable application delivery with minimal operational impact.

Senior COBOL Developer - Elevance Health (UST) - India

(2018-01 - 2021-06)

Contributed to a large-scale healthcare insurance modernization initiative focused on migrating legacy DB2 data to Oracle, supporting commission management, data transformation, and enterprise application enhancements. Worked closely with business and technical teams to deliver modernized solutions through Agile development practices.

• Developed and enhanced enterprise Mainframe applications supporting healthcare insurance systems, contributing to a strategic DB2-to-Oracle data migration initiative for modernized commission processing platforms.
• Performed data analysis, data mapping, and impact analysis to support legacy system migration, ensuring data integrity and seamless integration with downstream applications.
• Collaborated with product owners, business analysts, and architects to define epics, user stories, acceptance criteria, and functional requirements for application enhancements and modernization initiatives.
• Prepared functional and technical design documentation, participated in design reviews, and translated business requirements into scalable technical solutions.
• Coordinated with Agile development teams during backlog refinement, sprint planning, estimation, and daily stand-ups, ensuring timely delivery of business-critical enhancements.
• Supported integration testing, UAT, and cross-system validation by identifying interface dependencies, resolving defects, and ensuring successful deployment of application changes.
• Demonstrated completed features and technical solutions to business stakeholders, product owners, and architecture teams while supporting continuous improvement and knowledge sharing across project teams.

COBOL Developer - Elevance Health (UST) - India

(2013-05 - 2017-12)