Sr Software Engineer (Mainframe COBOL)

Sr Software Engineer (Mainframe / COBOL)

Powering the worlds payments ecosystem

ACI powers the payments ecosystem globally and you power ACI. Youll innovate collaborate and grow in an energetic technology culture with decades of proven success. ACIers at every level are empowered to make a meaningful impact while working on solutions that process billions of transactions worldwide.

As a Sr Software Engineer in Bangalore you will join a diverse and passionate engineering team responsible for delivering highly reliable card and merchant payment solutions that serve financial institutions across the globe.

Job Summary

ACI Worldwide is seeking an experienced Sr Software Engineer with strong Mainframe and COBOL development expertise to join our Card & Merchant Management (CMM) engineering team. This role focuses on designing developing enhancing and supporting mission-critical payment processing applications used by leading financial institutions worldwide.

The ideal candidate brings deep expertise in COBOL-based development strong analytical problem-solving skills experience in high-volume transaction processing environments and a passion for adopting AI-powered engineering practices to improve quality productivity and operational excellence.

A Typical Day at ACI

• Design develop test and maintain high-quality software solutions supporting ACIs card payment platforms.
• Develop and support applications utilizing COBOL JCL DB2 and VSAM on IBM Mainframe environments.
• Participate in architecture reviews technical design discussions and code reviews to ensure engineering excellence.
• Develop and execute automated unit integration and regression tests to ensure product quality.
• Investigate troubleshoot and resolve customer-reported defects and production incidents.
• Collaborate closely with Product Management Professional Services Customer Support and Engineering teams.
• Create and maintain technical documentation solution designs and engineering specifications.
• Participate in Agile ceremonies including sprint planning estimation daily standups reviews and retrospectives.
• Drive continuous improvement initiatives focused on performance resiliency maintainability and operational excellence.
• Leverage AI-assisted engineering tools such as GitHub Copilot ChatGPT Claude or similar technologies to enhance software development productivity and quality.
• Perform other duties as assigned.
• Understand and adhere to all corporate policies including the ACI Code of Business Conduct and Ethics.

Knowledge Skills & Experience Needed to Succeed

• Bachelors degree in Computer Science Information Technology Engineering or related discipline or equivalent professional experience.
• Minimum 8 years of software development experience.
• Strong expertise in COBOL JCL and DB2 development.
• Hands-on experience with IBM Mainframe technologies.
• Experience developing and supporting high-volume transaction processing systems.
• Experience using AI-powered development tools (GitHub Copilot ChatGPT Claude Cursor or similar) to improve engineering productivity code quality testing and problem-solving.
• Ability to effectively apply AI solutions to software development automated testing troubleshooting documentation and operational workflows.
• Experience with source code management tools such as Git.
• Strong debugging analytical and problem-solving skills.
• Experience working within Agile software development methodologies.
• Excellent verbal and written communication skills.
• Ability to work independently while collaborating effectively within global cross-functional teams.

Preferred Knowledge Skills & Experience

• Experience within the payments industry supporting Visa Mastercard Discover AMEX JCB or other card payment networks.
• Knowledge of card issuing acquiring authorization clearing settlement or interchange processing.
• Experience with Unix/Linux administration and shell scripting.
• Java development experience.
• Strong working knowledge of VSAM.
• Experience supporting mission-critical high-availability transaction processing environments.
• Experience driving performance engineering resiliency and operational excellence initiatives.
• Exposure to cloud-hosted payment platforms and modernization of legacy enterprise applications.
• Experience working within regulated financial services environments.
• Familiarity with DevOps practices CI/CD pipelines and automation frameworks.

Core Capabilities

We seek colleagues who embody ACIs core capabilities and contribute to our innovative engineering culture:

• Ensure Accountability: Hold yourself and others accountable to meet commitments.
• Drives Results: Consistently achieve results even under challenging circumstances.
• Customer Focus: Build strong customer relationships and deliver customer-centric solutions.
• Cultivate Innovation: Create new and better ways for the organization to succeed.
• Collaborates: Build partnerships and work effectively across teams and geographies.
• Courage: Step up to address difficult issues and say what needs to be said.

AI Readiness

At ACI AI is becoming an integral part of our engineering culture. Successful candidates should demonstrate curiosity adaptability and practical application of AI technologies in software engineering. Candidates should be prepared to discuss:

• How they currently use AI tools in their development workflow.
• Examples of AI-assisted coding testing automation or problem-solving.
• Their approach to responsible and effective AI adoption.
• Opportunities they see for leveraging AI to improve engineering productivity and software quality.

Work Authorization

Applicants must be currently authorized to work in India on a full-time basis. This position does not offer sponsorship for employment visa status now or in the future.

Why Join ACI

In return for your expertise we offer opportunities for growth career development and a competitive compensation and benefits package within an innovative and collaborative work environment.

Are you ready to help us transform the payments ecosystem

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