Data Scientist
Analyze large datasets to extract insights, create predictive models, and guide business decisions using machine learning, statistics, and data visualization.
What you need to know
Overview
Data scientists combine statistical expertise, programming skills, and domain knowledge to extract meaningful insights from data. They build predictive models, identify trends, and help organizations make data-driven decisions. Data science sits at the intersection of mathematics, computer science, and business understanding.
Ireland has emerged as a European data science hub, with multinational tech companies, financial institutions, and healthcare organizations employing data scientists to gain competitive advantages. Irish data scientists work on cutting-edge problems from fraud detection to personalized medicine, often with global impact.
Specializations include Machine Learning Engineering, Business Analytics, Healthcare Analytics, Financial Modeling, and Natural Language Processing.
What do data scientists do?
Data scientists typically work standard full-time hours with flexibility for remote work. Irish companies increasingly offer hybrid working arrangements.
Some of the things a data scientist might do:
- Collect, clean, and prepare large datasets for analysis
- Perform exploratory data analysis to identify patterns
- Build and train machine learning models
- Create data visualizations to communicate findings
- Develop predictive models for business problems
- A/B test hypotheses and measure impact
- Collaborate with stakeholders to understand requirements
- Deploy models to production environments
- Monitor model performance and retrain as needed
- Present insights to technical and non-technical audiences
What skills are needed?
Programming & Tools
- • Python (pandas, NumPy, scikit-learn)
- • R programming language
- • SQL for database queries
- • Jupyter Notebooks
- • Git version control
Statistics & ML
- • Statistical analysis and hypothesis testing
- • Machine learning algorithms
- • Deep learning (TensorFlow, PyTorch)
- • Feature engineering
- • Model evaluation and optimization
Business Skills
- • Communication and storytelling
- • Data visualization (Tableau, matplotlib)
- • Business acumen
- • Critical thinking
- • Project management
What is the pay?
Average Salary in Ireland
€40,000 - €75,000
Junior data scientists in Ireland earn €40,000-€50,000, mid-level scientists earn €55,000-€70,000, while senior data scientists command €75,000-€95,000. Lead data scientists and managers at major tech firms can earn €100,000-€130,000+.
Compensation reflects high demand and specialized skills. Total packages often include performance bonuses (10-20%), equity/stock options at tech companies, health insurance, pension contributions, conference attendance, and learning budgets for courses. Financial and pharmaceutical sectors typically offer highest salaries.
What is the career outlook?
Job Growth in Ireland
Data science is consistently ranked among Ireland's top 5 most in-demand roles. Over 1,000 data scientist positions are advertised annually, with demand far exceeding qualified candidate supply.
The National Skills Bulletin identifies data science as experiencing severe skills shortages. Enterprise Ireland reports 65% of Irish businesses plan to increase data science capabilities, driving sustained growth.
Why the growth?
- • Explosion of available data
- • AI and ML adoption across industries
- • Data-driven decision making becoming standard
- • Ireland's strong fintech and pharma sectors
- • GDPR compliance needs (data expertise)
- • Predictive analytics demand
What education is required?
Educational Pathways
Master's Degree (Most Common)
MSc in Data Science, Data Analytics, or Machine Learning from Irish universities (UCD, TCD, UCC offer excellent programs). Many combine computer science undergraduate degree with data science master's.
Quantitative Bachelor's Degree
Computer Science, Statistics, Mathematics, Physics, or Engineering degrees provide foundation. Self-study and certifications supplement formal education.
Bootcamps & Courses
Data science bootcamps or online programs (Coursera, DataCamp) combined with portfolio projects. Career changers from engineering, finance, or science backgrounds common.
Key Course Topics
- • Statistics and probability
- • Machine learning algorithms
- • Python programming for data science
- • SQL and database management
- • Data visualization
- • Deep learning and neural networks
- • Big data technologies (Spark, Hadoop)
- • Natural language processing
- • Time series analysis
- • A/B testing and experimentation
Ready to Start Your Data Science Journey?
Explore our resources and discover how to begin your career in data science.