Posted 09 July, 2026
Sr Software Engineer
ACI Worldwide
Limerick, Limerick, Ireland
Full Time
Reference: 285573340
Job Description
Job Summary:
Provides technical leadership of the plan, design, development of software systems or applications for software enhancements and new products.
Job Responsibilities:
Knowledge, Skills and Experience required for the job:
Preferred Knowledge, Skills and Experience needed for the job:
Work Environment:
About Us
ACI Worldwide is a global leader in mission-critical, real-time payments software. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk. We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.
Job Summary:
Provides technical leadership of the plan, design, development of software systems or applications for software enhancements and new products.
Job Responsibilities:
- Independently designs, develops, tests and delivers high quality software/solutions. Provides direct estimates, such as time, percentage of project completion, etc. to lead and/or manager.
- Researches and resolves reported systems software problems efficiently and accurately while adhering to internal software management standards and procedures.
- Coordinates the technical work of a small project team. Plans and schedules tasks for projects and individuals.
- Maintains detail knowledge of software, underlying network and system software, and dependencies.
- Provides guidance and subject matter expertise to the development organization.
- Provides leadership in AI-assisted software development practices.
- Perform other duties as assigned
- Understand and adhere to all corporate policies to include but not limited to the ACI Code of Business Conduct and Ethics.
Knowledge, Skills and Experience required for the job:
- Bachelor's degree in computer science or related field or equivalent software development experience.
- Advanced Python experience.
- 5 years software development experience.
Preferred Knowledge, Skills and Experience needed for the job:
- Affinity with Data Science and model-serving technologies
Work Environment:
- Standard Work Environment
- Majority time spent on PC (Phys. Req.)
- Travel required, may be domestic or international
About Us
ACI Worldwide is a global leader in mission-critical, real-time payments software. Our proven, secure and scalable software solutions enable leading corporations, fintechs and financial disruptors to process and manage digital payments, power omni-commerce payments, present and process bill payments, and manage fraud and risk. We combine our global footprint with a local presence to drive the real-time digital transformation of payments and commerce.
