Senior Data Scientist, Dublin

Senior Data Scientist Experimentation

Location/Office Policy:  Molesworth st., Dublin (Hybrid working – 2 days a week in the office, moving to 3 days in office from Jan 2026) 

• Do you love analytics and using data to make our customers’ lives better?
• Do you want to be part of a customer-centric team dedicated to transforming how we engage and serve our customers?
• Do you like collaborating with cross-functional teams?

What is the Role:

The role reports to the Customer Base Management team which sits within the Chief Customer Office (CCO). It requires a strong understanding of statistical techniques and experimental methods to ensure the success of customer base management initiatives (e.g., personalisation, lifecycle, and promotional campaigns). As a senior data scientist, you will: lead designing experiments (A/B tests, online and field experiments) to measure campaign performance in the best possible way; deliver pre/post-campaign analysis; and support the development of monitoring tools to track key performance indicators (KPIs).

Key accountabilities:

• Work closely with the CRM and Data Science teams to design, implement, and analyse experiments (A/B tests, online and field experiments). Provide subject matter expertise on causal inference, especially issues surrounding internal and external validity.

• Define key performance indicators (KPIs), including ROI, uplift, conversion, and churn metrics and track them through the production and maintenance of dashboards.
• Contribute to pre/post-campaign analysis with clear commentary and recommendations. Ensure statistical rigor is applied to business recommendations.
• Support and contribute to the development of robust measurement frameworks to evaluate performance of CRM, lifecycle, and promotional campaigns.
• Extract, transform, and clean the data required for modelling and analysis purposes.

• Support the team in enhancing the efficiency of data pre-processing, analysis, and reporting (e.g., increased automation).

What you Will Bring:

• A master’s degree in Statistics, Computer Science, Economics, Data Science, Behavioural Science, or Experimental Psychology. The applicant must demonstrate experience in designing experiments in either commercial or academic setting and a good understanding of microeconometrics.
• 3+ years’ experience in a quantitative analytics role.
• Advanced level of proficiency in statistical software such as SAS, R, or Python.
• Familiarity with data visualisation tools such as Power BI, SAS Visual Analytics, QlikView, or Tableau.
• Strong ability to communicate analytical insights into clear business recommendations for all levels in the organization.
• Inclination to innovate and proactively keep abreast of the latest techniques. Knowledge of machine learning methods for estimating heterogeneous treatment effects would be a bonus.

Why Work for AIB:

We are committed to offering our colleagues choice and flexibility in how we work and live and our hybrid working model enables our people to balance their time between working from home and their designated office, subject to their role, the needs of our customers and business requirements.

Some of our benefits include;

• Market leading Pension Scheme
• Healthcare Scheme
• Variable Pay
• Employee Assistance Programme
• Family leave options
• Two volunteer days per year

Please click here for further information about AIB’s PACT – Our Commitment to You.

Key Capabilities

• A/B Testing and Experimentation
• Statistical Modelling
• Data Visualization
• Drives Progress
• Collaborates
• Eliminates Complexity

If you are not sure about your suitability based on any aspects of the role advertised, we encourage you to please contact the Recruiter for this role, Emma, at careers@aib.ie  for a conversation.

AIB is an equal opportunities employer, and we pride ourselves on being the first bank in Ireland to receive the Investors in Diversity Gold Standard accreditation from the Irish Centre for Diversity. We are committed to providing reasonable accommodations for applicants and employees. Should you have a reasonable accommodation request please email the Talent Acquisition team at careers@aib.ie

Disclaimer: 

Unsolicited CV’s sent to AIB by Recruitment Agencies will not be accepted for this position. AIB operates a direct sourcing model and where agency assistance is required, the Talent Acquisition team will engage directly with our recruitment partners.  

Application deadline : 04/11/2025