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# API Integration Architect (Mainframe Modernization & Enterprise Integration)

- **Company:** V-centrix-us Llc
- **Location:** Dover, 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/13b87825-13ff-4a28-b4e7-b69a0922dee4

## 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
 * Hands-on experience in:
 * * Analyzing existing interfaces/services, Building service inventory/catalog
 * * Defining reuse vs new build decisions
 * 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:

 * Identify reuse opportunities, Avoid duplication of functionality

Make architectural decisions on whether requirements should result in:

 * Reuse of existing interfaces/services, Extension of existing APIs
 * 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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