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Mainframe Modernization Transpiler Development and Cloud Migration Solution

dreamix.eu

Information technology

Financial services

Health & Fitness

Government

Legacy System Modernization Challenges

Businesses face significant operational costs and technical debt due to reliance on outdated mainframe systems. Heirloom needed to enhance its transpiler capabilities for COBOL and PL/I to Java migration while integrating advanced batch processing functionality through JES/JCL, but lacked sufficient in-house expertise to develop these complex tools efficiently.

About the Client

Award-winning mainframe modernization provider specializing in cloud migration solutions for legacy systems

Modernization and Technical Expansion Goals

Develop next-generation transpilers for COBOL and PL/I to Java conversion
Integrate JES/JCL batch processing engine into the modernization stack
Create proprietary tools to analyze mainframe workloads and optimize sorting operations
Expand cloud migration service offerings while reducing operational costs

Core Modernization System Requirements

COBOL-to-Java transpiler with object-oriented refactoring
PL/I-to-Java transpiler with full syntax support
JES/JCL batch processing engine integration
Web-based JCL job management interface (ReactJS)
Mainframe workload analyzer (Python-based Probe tool)
High-performance Java SORT utility (h/SORT)

Technology Stack Requirements

Java

ANTLR4

ReactJS

Python

Multithreaded Java

System Integration Needs

Mainframe JES/JCL engine
Cloud deployment platforms (AWS/Azure/GCP)

Operational Requirements

High-performance code conversion
Scalable batch processing
Enterprise-grade security
Cross-cloud compatibility
99.9% system uptime

Business Transformation Outcomes

Enables enterprises to reduce legacy system costs by 40-60%, accelerate cloud migration timelines by 70%, and achieve 2x operational efficiency through automated code conversion and modernized batch processing workflows. Establishes Heirloom as a market leader in multicloud mainframe modernization solutions.