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# API Integration Architect (Mainframe Modernization & Enterprise Integration)

- **Company:** V-centrix-us Llc
- **Location:** United States (Remote available)
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Business Logic, COBOL (Programming Language), Data Transformation, DevOps, Middleware, Mainframes, Session Management, Z/OS, Enterprise Integration, Api Design, Api Gateway
- **Published:** June 18, 2026
- **Apply:** https://www.dice.com/job-detail/68c08b6e-e8f0-4968-8edd-d620b462d851

## About the Role

* Deep expertise in API architecture & design and integration patterns
 * Strong experience with mainframe systems (z/OS / COBOL) and legacy integration
 * Proven ability to analyze existing interfaces/services and define reuse vs new build strategy

 * Interface Analysis & Reuse Strategy
o Hands-on experience in:

 * Analyzing existing interfaces/services
 * Building service inventory/catalog
 * Defining reuse vs new build decisions
o Ability to create reuse frameworks and API grouping strategies

 * DevOps & Delivery

Preferred Skills and Experience

 * Experience in utility, customer care, or billing systems
 * Exposure to MACSS or similar conversation-based mainframe systems
 * Experience with API gateways, middleware platforms, and enterprise integration tools

## Description

* Define the overall API architecture and integration strategy for MACSS API enablement
 * Analyze existing MACSS interfaces, conversations, and services to:
o Identify reuse opportunities
o Avoid duplication of functionality

 * Make architectural decisions on whether requirements should result in:
o Reuse of existing interfaces/services
o Extension of existing APIs
o Development of new APIs

 * Define how extracted mainframe business logic is exposed through APIs in a clean and consistent way
 * Provide architecture for handling embedded and tightly coupled business logic in legacy MACSS programs
 * Define integration patterns for z/OS / COBOL systems, including transaction handling, session management, and data transformation
 * Guide teams in structuring APIs to support existing use cases across multiple releases efficiently


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