Contract ACH Mainframe Developer — Hybrid Buffalo

Dhaka Technology Limited; South Dakota; Hybrid; USD 108,000 - 132,000; Full time

Job summary

Dhaka Technologies Limited is seeking an experienced Mainframe Developer to support ACH payment processing applications. This hybrid role is based in Buffalo, NY, with a blend of on-site and remote work options through a W2 engagement via Sincera, a Virtusa company.

The role requires hands-on mainframe engineering, and deep ACH domain knowledge to cover development and production support. You will work on COBOL, JCL, and batch processing in a high-accuracy environment with strong batch

Qualifications

• Eight or more years of professional mainframe experience.
• Proficiency in COBOL, JCL, VSAM, DB2, and CICS.
• Hybrid work capability from Buffalo, NY.

Responsibilities

• Design, develop, test, and implement mainframe applications supporting ACH payment origination, receipt, processing, and settlement.
• Write, enhance, and maintain COBOL programs, JCL, and supporting components across the ACH application portfolio.
• Work with DB2 and VSAM data structures, including data access design, query tuning, and file handling for high-volume batch processing.
• Develop and maintain CICS online components supporting payment inquiry, exception handling, and operational functions.
• Schedule, monitor, and troubleshoot batch cycles using CA7, and resolve job failures and abends within processing windows.
• Provide production support for ACH applications, including root cause analysis, defect resolution, and incident follow-up.
• Analyze ACH file formats, NACHA rules, and return and exception processing, and translate requirements into technical designs.
• Partner with business analysts, operations, and downstream teams to ensure changes are correctly specified, tested, and released.
• Prepare technical documentation and support code reviews, change management, and audit requirements.

Skills

COBOL

JCL

VSAM

DB2

CICS

CA7

ACH

Mainframe development

Job description

Dhaka Technologies Limited is seeking an experienced Mainframe Developer to support ACH payment processing applications. This hybrid role is based in Buffalo, NY, with a blend of on-site and remote work options through a W2 engagement via Sincera, a Virtusa company.

The role requires hands-on mainframe engineering, and deep ACH domain knowledge to cover development and production support. You will work on COBOL, JCL, and batch processing in a high-accuracy environment with strong batch