Senior Mainframe Application Developer

We are seeking a highly experienced Senior Mainframe Application Developer (Contractor) to support our multi-year Annuity Platform Transformation Initiative within the Annuity Administration Technology organization.
It's a 7-month contract (with potential extension), fully remote, based out of Newport Beach, CA, offering an hourly rate in the range of $75-$82.60 on W-2.

This role will play a critical part in analyzing the current-state architecture of our annuity administration ecosystem, identifying technical debt, documenting system dependencies, and supporting modernization efforts across legacy and emerging platforms. The ideal candidate brings deep expertise in large-scale mainframe environments and possesses strong analytical capabilities to help bridge current-state legacy architecture with future-state modernization strategies.
As part of the Annuity Administration Team, you will collaborate with Product Owners, Architects, Analysts, Developers, QA Engineers, and cross-functional technology teams supporting core annuity administration platforms including Vantage-One, wmA, FAST, and related enterprise integrations.
This position is ideal for someone who thrives in complex enterprise environments and enjoys solving challenging system and integration problems while contributing to long-term transformation initiatives.

How You'll Help Move Us Forward
* Perform in-depth analysis of current-state annuity administration systems, application architecture, batch processes, integrations, and upstream/downstream dependencies.
* Analyze and document existing mainframe business processes, technical workflows, data flows, and system interactions to support modernization planning.
* Partner with Architecture and Product teams to identify technical debt, system inefficiencies, modernization opportunities, and operational risks.
* Review business and system requirements and provide impact analysis for enhancements, modernization initiatives, and strategic transformation programs.
* Design, code, test, debug, document, implement, and maintain mainframe applications and supporting services.
* Support development and maintenance activities across the end-to-end lifecycle of annuity products and administration capabilities.
* Collaborate with distributed teams across Product, Operations, Infrastructure, and Digital platforms to ensure alignment across enterprise initiatives.
* Assist in optimizing batch performance, reducing processing latency, improving operational stability, and enhancing maintainability of legacy applications.
* Mentor junior developers and provide technical leadership and guidance on mainframe development standards and best practices.
* Contribute to modernization roadmaps by helping define transition strategies between legacy and future-state platforms.

The Experience You Bring
* 10+ years of hands-on experience in Mainframe Application Development, Systems Analysis, or Technical Support within enterprise-scale environments.
* Strong experience supporting annuity or insurance administration platforms such as Vantage-One, wmA, DSS, FAST, or similar policy administration systems.
* Advanced proficiency with COBOL, JCL, CICS, VSAM, and DB2.
* Strong understanding of mainframe batch architecture, online transaction processing, and enterprise integration patterns.
* Experience performing current-state system analysis, dependency mapping, technical documentation, and impact assessments for modernization initiatives.
* Familiarity with API integrations, distributed systems, cloud modernization concepts, or hybrid architecture environments is highly preferred.
* Strong troubleshooting, analytical, and problem-solving skills in complex legacy ecosystems.
* Ability to communicate effectively with both technical and non-technical stakeholders across multiple business and technology teams.
* Experience mentoring developers and contributing to development standards, governance, and best practices.
* Bachelor's degree in Computer Science, Information Systems, Engineering, or equivalent professional experience.

Preferred Qualifications
* Experience supporting large-scale annuity administration or financial services platforms.
* Exposure to cloud transformation initiatives, modernization programs, or legacy system migration strategies.
* Experience with Agile delivery methodologies and enterprise modernization programs.
* Familiarity with DevOps, CI/CD, API enablement, or modernization frameworks is a plus.

All qualified applicants will receive consideration for employment without regard to race, color, national origin, age, ancestry, religion, sex, sexual orientation, gender identity, gender expression, marital status, disability, medical condition, genetic information, pregnancy, or military or veteran status. We consider all qualified applicants, including those with criminal histories, in a manner consistent with state and local laws, including the California Fair Chance Act, City of Los Angeles' Fair Chance Initiative for Hiring Ordinance, and Los Angeles County Fair Chance Ordinance.