Data Scientist

ACI Worldwide; Limerick; On-site; EUR 65,000 - 90,000; Full time

Job summary

ACI Worldwide in Limerick is seeking a Data Scientist to design, develop, and program methods for consolidating unstructured big data into actionable insights for client services and product improvement.

The role involves building predictive models, handling data at scale, and collaborating with product teams to identify questions for analysis. A strong emphasis on risk controls and ethics guides daily work in a hybrid environment.

Qualifications

• Bachelor’s degree required; PhD preferred in a related field.
• 2+ years industry experience.
• Proficient in managing RAG pipelines and development of Agentic Process in a save and secure manner.
• Prior experience in working with agentic based development is favorable.

Responsibilities

• Develops predictive models for customers using a variety of statistical and machine learning methods.
• Manages projects of moderate complexity from inception to delivery.
• Executes all stages of model development: data definition, sampling, preprocessing, feature selection, model generation, validation and deployment.
• Prepares and cleans data, performs exploratory analysis, and visualizes data with tools.
• Collaborates with scientists and engineers on production deployment of predictive models.
• Understands Risk Management requirements, controls, and testing in scope of responsibilities.
• Adheres to corporate policies including the Code of Business Conduct and Ethics.

Skills

RAG pipelines

Agentic process

Agentic-based development

Education

Bachelor's degree

PhD preferred

Job description

Powering the world’s payments ecosystem

ACI powers the payments ecosystem – globally, and you power ACI. You’ll innovate, collaborate, and grow – in an energetic technology culture with decades of proven success. ACIers – in all roles and levels – are truly your colleagues and many are your friends. Our size and reach allow you to see the global impact of your work. You are visible, your talents are valued, and you are empowered to shape the future of payments.

As a Data Scientist in Limerick, you will join a diverse, passionate team, dedicated to powering the world’s payments ecosystem!

This purpose of this Data Scientist is:

Designs, develops and programs methods, processes, and systems to consolidate and analyse unstructured, diverse “big data” sources to generate actionable insights and solutions for client services and product enhancement. Interacts with product and service teams to identify questions and issues for data analysis and experiments. Develops and codes software programs, algorithms and automated processes to cleanse, integrate and evaluate large datasets from multiple disparate sources. Identifies meaningful insights from large data and metadata sources; interprets and communicates insights and findings from analysis and experiments to product, service, and business managers.

A typical day at ACI for a Data Scientist is:

• Develops predictive models for customers utilizing a variety of statistical and machine learning algorithms.

• Holds responsibility for projects of a moderate degree of complexity.

• Executes all stages of model development and delivery including data definition, sampling, preprocessing, feature selection, model generation, and validation and support or production model release.

• Validates and prepares data for model development, performs exploratory data analysis and data cleaning on large datasets and queries and visualizes data with a variety of tools.

• Works with a team of scientists and engineers responsible for the development and deployment of the state-of-the-art predictive models for a variety of financial applications. This includes the design, development and deployment of statistical predictive models.

• Understands and complies with Risk Management program requirements including
  Identification of risks, key controls, and control testing as applicable to their responsibilities.

• 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 needed to succeed in this role:

• Bachelor’s degree required, PhD preferred in Statistical Mathematics, Computer Science, Physics, Computational Chemistry or related field.

• 2+ years industry or related field experience.

• Proficient in managing RAG pipelines and development of Agentic Process in a save and secure manner.

• Prior experience in working with agentic based development is favorable

Core Capabilities:

We seek colleagues who embody our core capabilities — these shape our culture and enable us to make a meaningful impact together:

• Ensure Accountability: holding self and others accountable to meet commitments.

• Drives Results: consistently achieving results, even under tough circumstances.

• Customer Focus: building strong customer relationships and delivering customer-centric solutions.

• Cultivate Innovation: creating new and better ways for the organization to be successful.

• Collaborates: building partnerships and working collaboratively with others.

• Courage: stepping up to address difficult issues, saying what needs to be said.

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

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

Important Notice About Recruitment Scams
Job seekers should be aware of ongoing recruitment scams where individuals or organizations impersonate legitimate companies to offer fake job opportunities. These scams often involve requests for personal information, payments, or interviews through unofficial channels. Please be cautious and verify any communications claiming to be from our company (www.aciworldwide.com / @aciworldwide.com). The ACI Worldwide recruitment team will always follow official channels and will never request payment.

ACI Worldwide is an AA/EEO employer in the United States, which includes providing equal opportunity for protected veterans and individuals with disabilities, and an EEO employer globally.

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