Mainframe Developer, ACH

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 Company | Contract

Mainframe Developer, ACH

Buffalo, United States | Posted on 09/18/2026

Job Title: Mainframe Developer, ACH
Work Arrangement: Hybrid
Location: Buffalo, NY
Employment Type: Contract
Engagement Type: W2 with Sincera, a Virtusa company

Position Summary

Dhaka Technologies Limited Company is hiring on behalf of our client, i8is, for an experienced Mainframe Developer to support ACH payment processing applications. This is a hybrid role based in Buffalo, NY. The selected consultant will be engaged on a W2 basis through Sincera, a Virtusa company.

This is an immediate need for a developer who combines deep mainframe engineering skill with hands-on ACH payments domain knowledge. The role covers both new development and production support of the applications that move ACH payment volume, in an environment where accuracy, batch timeliness, and settlement integrity carry direct business consequence.

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.

Required Qualifications

• Eight or more years of professional experience in mainframe development and support.
• Strong experience with COBOL, JCL, VSAM, DB2, and CICS.
• Experience with CA7 and related mainframe technologies.
• Strong background in mainframe development and production support.
• Experience with ACH platforms and payment processing.
• ACH domain knowledge combined with the mainframe skill set above is a must for this requirement.
• Ability to work a hybrid schedule from Buffalo, NY.

Compensation and Work Authorization

Compensation for this position is $120,000 per year with benefits, commensurate with experience. Candidates must hold work authorization that does not require sponsorship now or in the future.