Find Senior scientist Jobs in South Dublin County Dublin

Lead Data Scientist, AI Engineering
Mastercard —Dublin, County Dublin
- Full-time
- Azure
- Doctoral degree
- Computer Science
Sr Machine Learning Engineer
paypal —Dublin, County Dublin
- Full-time
- Azure
- Engineering
- Java
- Annual leave
Director, Data engineering
Mastercard —Dublin, County Dublin
- Full-time
- Master's degree
- AWS
- Analytics
Principal Decision Scientist - Marketing
Pipedrive —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- SQL
- Mentoring
- Relocation assistance
- Annual leave
Quick apply
Senior AI/ML Computational Scientist
Accenture —Dublin, County Dublin
- Full-time
- Computer science
- Doctoral degree
- Computer Science
3d
AI & Data - Data Architect - Senior Manager
EY —DUBLIN 2, County Dublin
- Full-time
- Hybrid work
- Computer Science
- Data analysis skills
- Master's degree
- Gym membership
1d
Project / Senior Hydrogeologist
SLR Consulting —Dublin, County Dublin
- Full-time
- Hybrid work
- Project management
- Annual leave
- Employee assistance program
12d
Principal AI/ML Scientist & Engineer
Pipedrive —Dublin, County Dublin
- Full-time
- Hybrid work
- English
- AWS
- Mentoring
- Relocation assistance
- Annual leave
Quick apply
Senior Backend Software Engineer
Horizon Quantum Computing —Dublin, County Dublin
- Full-time
- System design
- Master's degree
- Bachelor's degree
Senior Landscape Architect
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- AutoCAD
- Microsoft Office
- Master's degree
Senior Core Technologies Engineer
Intercom —Dublin, County Dublin
- Hybrid work
- Work from home
Senior Engineer - Roads, Public Transport, & Greenways
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Master's degree
- Project management
- Bachelor's degree
Technical Director - Water
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Business development
- Team management
- Communication skills
Cost Manager:Rail projects
AECOM —Dublin, County Dublin
- Full-time
- Construction experience
- Budgeting
Senior Quantity Surveyor:Rail projects
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Contracts
- Communication skills
- Negotiation
Principal Structural Engineer
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Master's degree
- Bachelor's degree
Senior Software Engineer, Windows/Desktop Applications - Dublin, Ireland
Speechify —Dublin, County Dublin
- €30,000–€120,000 a year
- Remote
- Doctoral degree
- Windows
- C++
Engineering Manager, AI Models Infrastructure
Intercom —Dublin, County Dublin
- Hybrid work
- AI
- Communication skills
- Work from home
Mechanical Engineer
AECOM —Dublin, County Dublin
- Full-time
- Hybrid work
- Engineering
- Continuous improvement
- HVAC
Senior Data Engineer
G MASS —Dublin, County Dublin
- Full-time
- Hybrid work
- SQL
- AWS
- Mentoring
Quick apply

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Lead Data Scientist, AI Engineering

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time

Qualifications

TensorFlow
Azure
Doctoral degree
Computer Science
Spark
Google Cloud Platform
Master's degree
SQL
AWS
Bachelor's degree
Mentoring
Forecasting
Regression analysis
Predictive analytics
AI
Business
Banking
Python
Analytics

Full job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Title and Summary

Lead Data Scientist, AI Engineering

Lead Data Scientist, AI Engineering

Overview

Mastercard's AI Centre of Excellence is building the next generation of AI capabilities powered by large-scale transaction data, machine learning, and foundation models. We are transforming how AI solutions are developed by enabling teams to leverage reusable learned intelligence rather than building bespoke feature-engineering pipelines for every use case.

We are seeking a Lead Data Scientist, AI Engineering to lead the development of advanced machine learning solutions across domains. This role combines deep expertise in predictive modelling, experimentation, and technical leadership to deliver measurable business impact.

What You'll Work On

This role focuses on applying machine learning, predictive modelling, and foundation-model representations to solve business problems at scale. Typical use cases include forecasting, propensity modelling, recommendation systems, behavioural analytics, and customer intelligence.

While familiarity with Generative AI is beneficial, this is primarily an applied machine learning and data science leadership role rather than a conversational AI, RAG, or agentic systems engineering position.

Role / Key Responsibilities

Lead the design, development, and deployment of machine learning solutions that solve high-impact business problems.

Define modelling approaches, experimentation frameworks, and success metrics for AI initiatives.

Apply foundation-model embeddings and modern machine learning techniques to improve model performance and accelerate development.

Drive projects from problem definition through model deployment and business impact measurement.

Establish robust evaluation frameworks and benchmark new approaches against existing solutions.

Partner with business, product, engineering, and analytics teams to identify and prioritise opportunities.

Present technical findings and recommendations to stakeholders and senior leadership.

Mentor and develop data scientists and AI engineers through technical guidance, reviews, and coaching.

Contribute to hiring, capability development, and the long-term technical direction of the AI organisation.

All About You

Required Experience

Proven experience leading machine learning projects from concept through production deployment.

Experience solving predictive modelling problems such as attrition, forecasting, recommendation systems, propensity modelling, fraud detection, risk modelling, or customer analytics.

Strong track record of delivering measurable business outcomes through machine learning.

Experience leading technical teams, mentoring practitioners, and influencing technical direction.

Required Technical Skills

Strong expertise in machine learning, predictive analytics, statistical modelling, and experimentation.

Advanced Python and SQL skills.

Experience with machine learning frameworks such as Scikit-Learn, XGBoost, LightGBM, TensorFlow, or PyTorch.

Strong understanding of classification, regression, forecasting, recommendation systems, ranking, clustering, and anomaly detection.

Experience with feature engineering, representation learning, embeddings, and downstream machine learning workflows.

Familiarity with transformer-based models and foundation-model applications.

Experience working with Databricks, Spark, Azure, AWS, or GCP.

Leadership & Communication

Strong problem-solving and decision-making skills.

Ability to lead through influence across cross-functional teams.

Excellent communication and stakeholder management capabilities.

Ability to translate complex technical concepts into actionable business insights.

Minimum Qualifications

Bachelor's degree in Computer Science, Data Science, Statistics, Mathematics, Engineering, or a related quantitative field.

8+ years of experience in machine learning, data science, AI, or advanced analytics.

Experience developing and deploying machine learning models in production environments.

Experience leading technical projects or teams.

Preferred Qualifications

Master's degree or PhD in Machine Learning, Artificial Intelligence, Computer Science, Statistics, Mathematics, or a related field.

Experience with foundation models, embeddings, or representation learning.

Experience in financial services, payments, banking, fintech, fraud, marketing analytics, or customer intelligence.

Publications, patents, conference presentations, or other evidence of technical thought leadership.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

Abide by Mastercard’s security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.

Apply Now

Refine Your Search

senior scientist jobs in south dublin county dublin

Lead Data Scientist, AI Engineering

Sr Machine Learning Engineer

Director, Data engineering

Principal Decision Scientist - Marketing

Senior AI/ML Computational Scientist

AI & Data - Data Architect - Senior Manager

Project / Senior Hydrogeologist

Principal AI/ML Scientist & Engineer

Senior Backend Software Engineer

Senior Landscape Architect

Senior Core Technologies Engineer

Senior Engineer - Roads, Public Transport, & Greenways

Technical Director - Water

Cost Manager:Rail projects

Senior Quantity Surveyor:Rail projects

Principal Structural Engineer

Senior Software Engineer, Windows/Desktop Applications - Dublin, Ireland

Engineering Manager, AI Models Infrastructure

Mechanical Engineer

Senior Data Engineer

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