Lead Software Engineer

Lead Software Engineer

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you’d like, where you’ll be supported and inspired by a collaborative community of colleagues around the world, and where you’ll be able to reimagine what’s possible. Join us and help the world’s leading organizations unlock the value of technology and build a more sustainable, more inclusive world.

Location:

Location: NY, Atlanta, GA, Chicago, IL

Role Overview:

We are seeking an experienced Mainframe Developer with strong expertise in Fiserv PEP and ACH Payments . The successful candidate will be responsible for maintaining and enhancing the Fiserv PEP application, implementing technical and functional changes, supporting production issues, and ensuring the smooth processing of ACH transactions.

This role requires a combination of strong mainframe development skills and deep functional knowledge of ACH payment processing.

Job Description:

Application Development & Support

• Support, maintain, and enhance the Fiserv PEP application.

• Develop and implement technical and business-driven enhancements.

• Ensure application stability, performance, and reliability.

• Provide ongoing production support and issue resolution.

Mainframe Development

• Design, develop, and maintain solutions using:

• COBOL

• JCL

• DB2

• CICS

• VSAM

• Perform code analysis, debugging, testing, and deployment activities.

• Participate in application upgrades and system improvements.

ACH Payments Processing

• Support end-to-end ACH payment processing workflows.

• Understand and manage:

• ACH transaction processing

• Settlement processing

• Returns

• Corrections

• Exception handling

• Ensure compliance with ACH operating rules and business requirements.

Incident & Problem Management

• Analyze and resolve ACH processing issues, defects, and production incidents.

• Troubleshoot payment failures, processing bottlenecks, and reconciliation issues.

• Perform root cause analysis and implement long-term solutions.

• Coordinate resolution efforts with business, operations, and support teams.

Required Skills:

Mainframe Technologies

• Strong hands-on experience in:

• COBOL

• JCL

• DB2

• CICS

• VSAM

• Experience supporting and enhancing large-scale mainframe applications.

Fiserv PEP Expertise

• Proven hands-on experience with Fiserv PEP .

• Ability to support, troubleshoot, and enhance PEP-based payment applications.

• Experience implementing technical and functional changes within the platform.

ACH Payments Knowledge

• Strong understanding of:

• ACH Payments

• NACHA File Formats

• ACH Processing Workflows

• ACH Settlement Processes

• ACH Returns and Corrections

• Exception Processing

• Ability to analyze payment processing issues from both technical and functional perspectives.

Analytical & Communication Skills

• Strong problem-solving and troubleshooting abilities.

• Excellent analytical skills with attention to detail.

• Effective verbal and written communication skills.

• Ability to collaborate with cross-functional business and technology teams.

Preferred Qualifications

• Experience within banking or financial services organizations.

• Knowledge of payment operations and transaction processing systems.

• Exposure to production support and incident management processes.

• Experience with high-volume payment processing environments.

The base compensation range for this role in the posted location is: $80000 - $120000/per annum.

Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.

The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.

These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.

It is not typical for candidates to be hired at or near the top of the posted compensation range.

In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.

Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave

• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)

• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)

• Life and disability insurance

• Employee assistance programs

• Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini’s discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.

Disclaimers

Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.

This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.

Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.

Click the following link for more information on your rights as an Applicant in the United States.

Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

Ref. code: 549096

Posted on: Oct 8, 2026

Experience Level: Experienced Professionals

Contract Type: Permanent

Location:

New York, NY, US

Brand: Capgemini

Professional Community: Software Engineering

Capgemini is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.