Mainframe Developer, ACH

Dhaka Technologies Limited Company; South Dakota; Hybrid; USD 102,000 - 138,000; Full time

Job summary

Dhaka Technologies Limited Company is seeking an experienced Mainframe Developer to support ACH payment processing. This hybrid role is based in Buffalo, NY, working with COBOL, JCL, and CICS in production and development.

You will optimize batch processing with CA7, DB2/VSAM data, and ensure accuracy and timely settlements in a critical payments environment. Collaboration with business analysts and operations is essential.

Qualifications

• 8+ years of mainframe development and support experience.
• Proficient in COBOL, JCL, VSAM, DB2 and CICS.
• Experience with CA7 scheduling and related mainframe technologies.
• Hybrid work arrangement based in Buffalo, NY with ability to work on-site as needed.

Responsibilities

• Design, develop, test, and implement mainframe applications for ACH origination, receipt, processing and settlement.
• Write, enhance, and maintain COBOL programs, JCL and supporting components across the ACH portfolio.
• Work with DB2 and VSAM data structures, including data access design and batch processing tuning.
• Develop and maintain CICS online components for payment inquiry, exception handling, and operations functions.
• Schedule, monitor, and troubleshoot batch cycles using CA7; resolve failures/abends within processing windows.
• Provide production support for ACH applications, including root cause analysis and defect resolution.
• Analyze ACH file formats, NACHA rules, and return/exception processing; translate to designs.
• Collaborate with business analysts, operations, and downstream teams to ensure changes are tested and released properly.
• Prepare technical documentation and participate in code reviews, change management and audits.

Skills

Cobol

JCL

VSAM

DB2

CICS

CA7

Tools

CA7 scheduling

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.