Sr Software Engineer (Mainframe / COBOL)
ACI Worldwide2 months ago
Bengaluru, IndiaSenior
Responsibilities
- Design, develop, test, maintain, and support COBOL-based card and merchant payment applications.
- Develop and support applications using COBOL, JCL, DB2, and VSAM on IBM Mainframe environments.
- Participate in architecture reviews, technical design discussions, code reviews, and Agile ceremonies.
- Develop and execute automated unit, integration, and regression tests.
- Investigate, troubleshoot, and resolve customer-reported defects and production incidents.
- Create and maintain technical documentation, solution designs, and engineering specifications.
- Drive improvements in performance, resiliency, maintainability, and operational excellence.
- Use AI-assisted engineering tools for development, testing, troubleshooting, documentation, and workflow improvement.
- Collaborate with Product Management, Professional Services, Customer Support, and Engineering teams.
Requirements
- Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline, or equivalent professional experience.
- At least 8 years of software development experience.
- Strong expertise in COBOL, JCL, and DB2, with hands-on IBM Mainframe experience.
- Experience developing and supporting high-volume transaction processing systems.
- Experience using AI-powered development tools such as GitHub Copilot, ChatGPT, Claude, Cursor, or similar technologies.
- Experience with source code management tools such as Git.
- Strong debugging, analytical, and problem-solving skills, along with effective verbal and written communication.
- Preferred qualifications include payments-industry experience, knowledge of card issuing or payment processing, Unix/Linux administration and shell scripting, Java development, VSAM, high-availability systems, performance engineering, cloud-hosted platforms, legacy modernization, and regulated financial services.
- Familiarity with DevOps practices, CI/CD pipelines, and automation frameworks is preferred.
Benefits
- Opportunities for growth and career development.
- Competitive compensation and benefits package.
- Innovative and collaborative work environment.
- The position is based in Bangalore, India, and applicants must be currently authorized to work in India full time.
About ACI Worldwide
ACI Worldwide builds payment processing and fraud prevention software for banks, merchants, and billers, delivered as on-premise and cloud services. Its portfolio spans real-time payments, card and merchant acquiring, bill payment, and risk management. Founded in 1975 and publicly traded on NASDAQ (ACIW), the company is headquartered in Elkhorn, Nebraska and serves financial institutions and retailers globally.