24 Data Scientist jobs in Ireland

**Job Description:**
Hertz is one of the world's largest global mobility organizations and is currently undergoing a major digital transformation. As the operator of the largest electric vehicle (EV) rental fleet, Hertz is combining its brand strength and global fleet management expertise with cutting-edge technology and innovation to redefine the future of travel, mobility, and the automotive industry. Hertz is committed to becoming a key player in the modern mobility ecosystem, with a focus on electrification, shared mobility, and delivering a digital-first customer experience.
As a Data Scientist at Hertz, you'll have the opportunity to work on high-impact strategic initiatives and solve complex challenges using state-of-the-art technologies. You'll play a critical role in enabling and optimizing our digital, connected fleet, pricing, and ridesharing products. This includes fostering collaboration, building partnerships, co-developing innovative solutions, and delivering actionable insights to leadership to inform strategy, surface opportunities, and highlight potential risks. Your work will help drive data-informed decisions across the organization, fuel operational efficiency and revenue growth, and support our broader vision for the future of mobility.
**What You'll Do:**
+ Build and maintain descriptive, predictive, and prescriptive models to optimize existing processes and uncover market opportunities for new products and services.
+ Define and analyse success and performance metrics for current and upcoming business initiatives, with a strong emphasis on A/B testing.
+ Integrate and curate data from a variety of internal and external sources to develop detailed reports, datasets, and advanced analytics that support data-driven decision-making across the business.
+ Use data visualization tools to clearly communicate insights to technical, non-technical, and senior stakeholders.
+ Break down and solve complex business challenges using quantitative and analytical approaches, identifying patterns and correlations within large, complex datasets.
**What We're Looking For:**
+ Minimum 3 years of hands-on experience in a data science role.
+ Minimum 2 years of experience with cloud-based big data, machine learning, and analytics technologies - preferably with Databricks.
+ Experience working with Google Tag Manager clickstream data is a strong plus.
+ Proficient in SQL, with experience handling both structured and unstructured data.
+ Strong experience in Python or similar scripting languages.
+ Strong interpersonal and communication skills, with experience working in agile/scrum environments.
+ Excellent problem-solving and critical thinking abilities, with a proven track record of identifying root causes and delivering simple, logical solutions to complex problems.
+ Exceptional verbal, written, and presentation skills, with the ability to effectively communicate both technical and non-technical information across all levels of the organization.
+ A bachelor's degree or higher in Computer Science or a quantitative field such as Statistics, Mathematics, Physics, Engineering, or a related field.
**What you Get:**
+ Employee Friends & Family rental discount (40% discount for employee & partner; 30% discount for up to 8 additional family/friends).
+ Hybrid/flexible working arrangements.
+ 22 days holidays on hire rising to 27 days with service.
+ Occupational Pension Scheme with up to 5% company matched contribution.
+ Life Cover payable at 4 times base salary.
+ Profit Share Scheme.
+ Tuition support plus access to compressive online learning platform.
+ 10 days paid study leave & paid exam leave where exams fall during work hours.
+ Income protection for long term illness.
+ Professional membership fees paid in full annually where membership relates directly to role.
+ Bike to Work & Travel Pass schemes.
+ Employee Assistance Programme for employees and family.
+ Occupational Health support.
+ Christmas savings scheme.

The Centre for Intelligent Power, located at Eaton's global headquarters in Dublin, Ireland, is at the forefront of applying AI and data science to revolutionize how we manage and use power. We tackle today's toughest digital challenges while developing breakthrough technologies that will power the next generation of intelligent, sustainable products and services.
As we continue to grow, we're looking for Data Scientists to join our expanding team. In this role, you'll research and develop advanced algorithms that address emerging challenges in the industrial and energy domains. You'll work closely with cross-functional teams to turn data into actionable insights and deployable solutions.
**What you'll do:**
+ Research and develop cutting-edge AI and data science algorithms
+ Analyze data to uncover insights and inform algorithm development
+ Incorporate system constraints into algorithm and dataset design
+ Design experiments and create high-quality labelled datasets
+ Plan and manage projects using Agile methodologies
+ Document and present solutions using diagrams, code, and performance metrics
+ Stay current with the latest tools, techniques, and academic research
**Qualifications:**
+ MSc or PhD in Data Science, Computer Science, Engineering, Physics, or a related field
+ 1-4 years of experience applying data science to real-world problems
+ Proficiency in Python, MATLAB, Simulink, and C/C++ Experience with algorithm optimization, embedded deployment, and automatic code generation
+ Familiarity with signal processing and machine learning for power systems is a plus
+ Strong communication skills and ability to work in cross-functional teams
+ Experience with Agile development and mentoring is desirable
+ A track record of academic publications or intellectual property generation is a bonus
**What we offer:**
+ Competitive Compensation & Benefits: Including pension, private health insurance, wellness programs, and more
+ Challenging & Impactful Work: Engage in cutting-edge projects within a dynamic, collaborative team environment
+ Career Growth: We prioritize internal mobility and support your professional aspirations through clear development pathways
+ Continuous Learning: Access to ongoing training and development through Eaton University and other learning platforms
+ Long-Term Investment in You: At Eaton, we don't just offer jobs-we build careers
#LI-MM2
We are committed to ensuring equal employment opportunities for job applicants and employees. Our recruitment processes use balanced selection criteria and avoid unlawful discrimination against applicants on the basis of their age, colour, disability, marital status, national origin, gender, gender identity, genetic information, race or racial origin, religion, sexual orientation or any other status protected or required by law.

Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start **Caring. Connecting. Growing together.**
In healthcare, evolution doesn't just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum.
As the fastest growing part of the UnitedHealth Group family of businesses, we're expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We'll provide the investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive.
As a **Principal Data Scientist** within our Network Pricing team, you will play a key role in analyzing and optimizing pricing strategies across our provider networks. By leveraging data insights and market trends, you'll develop innovative solutions to enhance member experience and drive improved financial performance. Your work will involve collaboration with stakeholders, managing pricing models, and supporting pricing operations to achieve measurable outcomes.
Ready for a challenge? You will need all your leadership skills and creativity as you manage and develop provider networks that achieve performance objectives. As a result, there is a high level of visibility and accountability for results.
You've been working your way to this opportunity for some time now. Now that you've learned to lead and build a deep analytics expertise, it is time to set your sights on having an impact in more ways. Join our leadership team and help UnitedHealth Group meet the challenge of shaping where health care will go.
**Schedule** : Full-time position with standard working hours of Monday - Friday, 9am - 5pm.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin office and telecommuting from a home-based office in a hybrid work model._ _?_
**Primary Responsibilities:**
+ Provide data-driven insights, critically analyze challenges and test hypotheses to inform key business decisions
+ Engage with stakeholders at various levels to gather requirements, incorporate feedback, manage expectations, and ensure alignment with the financial goals of client performance management
+ Design and develop custom pricing models tailored to specific products or client segments as needed. Review the performance of existing pricing models, identifying opportunities for enhancement or optimization based on stakeholder feedback and evolving business needs. Communicate proposed changes and their potential impact clearly to non-technical stakeholders
+ Break down pricing model functionalities into detailed components; formulate technical and business requirements for deployment to production systems. Work closely with engineering teams to deploy pricing models in production environments
+ Drive automation and streamline pricing processes by identifying gaps or inefficiencies in current workflows; design solutions that enhance efficiency and accuracy
+ Collaborate with stakeholders to map out existing procedures and gather feedback on pain points?Design and implement automated solutions-such as scripts, dashboards, or workflow tools-that reduce manual intervention, minimize errors, and accelerate pricing operations. Develop clear documentation and provide training for end-users to ensure successful adoption of new processes
+ Identify opportunities for more comprehensive, multi-dimensional pricing that consider a variety of factors such as up-to-date, market relevant, alignment with regulations, market events. Support development and tracking of network performance KPI's to quantify impact of these pricing initiatives
+ Thoroughly learn the business and educate those around you, both on your team and more broadly, on the mechanics of network pricing and the PBM business model
You will be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.
**Required Qualifications:**
+ Extensive experience in business focused analytical roles (e.g. finance, business analysis, data analytics)
+ Extensive experience leading projects autonomously
+ Intermediate level of SQL experience with experience querying large volumes of transactional data
+ Advanced level of proficiency in Python in data manipulation and analysis
+ Experience working with visualization software such as Tableau and/or PowerBI
+ Experience in MS Office, including proficiency with MS Excel
+ Experience with managing others
**Preferred Qualifications:**
+ Experience communicating and presenting complex technical concepts to non-technical audiences
+ Undergraduate Degree in a numerical subject (e.g. Finance, Statistics, Mathematics, or Economics)
+ Experience with Azure Databricks & the Azure Ecosystem
+ Experience working in industries such as Healthcare, Financial Services, Banking or Telco
**Soft Skills:**
+ Communication skills, able to work with stakeholders from multiple levels and disciplines
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
_All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy._
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved._
#RPO

Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start **Caring. Connecting. Growing together.**
In healthcare, evolution doesn't just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum.
As the fastest growing part of the UnitedHealth Group family of businesses, we're expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We'll provide the investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive.
You will join a team of data scientists and data analysts who?are responsible for?designing analytics that underpins our products. This typically involve exploratory data analysis, model development (Rule based & AI), model maintenance & Integration to product, compliance related activities, documentation Liaising/Coordination with different tech partners.
As a? **Senior Data Scientist** , you will apply your expertise and skills to improve our value definitions, produce optimal design and build out our product design capability. In support of these goals, you will be conducting research and analysis, problem solving with the team, prototyping solutions, and reporting on our solutions. You will be part of a team supporting these goals as well.
**Primary Responsibilities:**
+ Define analytics that underpins product design and contribute to various tasks related to it such as ideate, define & build related processes throughout product lifecycle
+ Research methods and solutions, analyze data, prototype solutions and critically evaluate designs to optimize product development
+ Advocate for both technical and procedural changes and shepherd them through to delivery
+ Ensure quality in design, coding outputs and artefacts produced
+ Collaborate with the team and partners to solve problems
+ Collaborate with other teams who will integrate prototype solutions into product delivery
+ Work independently and with focus when needed
+ Explore, analyze and interpret large datasets to identify patterns, trends and anomalies
+ Build data pipelines, models and dashboards to demonstrate value proposition
+ Maintain your knowledge of latest technologies and techniques relating to analytics and data science
+ Guide and support other team members
+ Work within the solution delivery methods and standards set out
_You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in._
**Required Qualifications:** ?
+ Bachelor's Degree (or higher) in engineering, data science, computer science or a related field
+ A high standard of programming experience with Python ,PySpark and SQL
+ Experience using collaborative cloud-based environments such as Databricks and Azure
+ Experience building machine learning and prediction models
+ Experience with production system change delivery methods and techniques including Agile delivery framework, deployment practices, version control and testing practices
+ Experience with data analysis and problem solving
+ Knowledge of best practices for optimization
**Preferred Qualifications:**
+ Experience with embedding analytics in commercial product development
+ Experience working on large scale and high impact projects
+ Experience leading process improvement/optimization activities
+ Ability to quickly build subject matter expertise
+ Familiarity with the HealthCare/Pharmaceutical industry
+ Masters degree or PhD in a technical field (e.g. computer science, science, engineering, math, statistics, physics etc.)
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
_All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy._
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved._
#RPO #BBMEMEA

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start **Caring. Connecting. Growing together.**
As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams.
**Data Scientists** working within the Optum Ireland R&D team supporting Optum Home and Community are developing cutting edge analytical products from one of the world's richest healthcare datasets. You will be at the intersection of business, technology and data science. This role will play a critical part in developing the next generation value-based care analytic engine.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin office and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities:**
+ Be an independent thinker and advocate of data science methods and applications
+ Research, develop and apply new innovative analytics methods and technologies from other domains to healthcare data
+ The ability for critical thinking outside your immediate sphere of responsibility
+ Work with autonomy and in partnership with other Data Scientists to find solutions to complex problems
+ Leverage technical / analytical expertise across the enterprise to architect, deploy and oversee analytics and technology solutions
+ Prototype new products and solutions that have the capability to transform the industry
+ Ability to articulate and paint a vision, with strong communication and presentation skills, as well as strengths in translating highly complex concepts, results, models and technologies in ways that can be understood by a variety of audiences
+ Be familiar with the state-of-the-art around big data analytics and associated technologies and techniques
+ Have experience with Commercial environments and/or Products (not just internal focused)
+ Be a leader for a variety of projects including proofs of concept, new product / component development, and reengineering initiatives among others.
+ Work as part of a small team, sharing ideas and contributing to the strategic goals
You will be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.
**Required Qualifications:**
+ Undergraduate Degree in engineering/computer/statistics
+ Experience in analytics / data science in a business or academic context
+ Demonstrated experience using programming to solve complex technical problems
+ Demonstrated experience accessing data from various data environments
**Preferred Qualifications:**
+ Masters Degree or PhD in a technical field (e.g. computer science, science, engineering, math / stats, physics etc.)
+ Core knowledge of statistics, machine-learning and numerical / computational methods with experience in the application of these methods to business problems
+ Extensive programming experience with Python/Pyspark or other analytics languages
+ Experience working within a software development team and using version control systems such as Git.
+ Experience of large-scale distributed computing environments (Hadoop, Hive, Databricks etc)
+ Experience developing analytical solutions on cloud computing platforms i.e. Azure
+ Experience applying deep learning methods to business problems using TensorFlow, Keras, etc.
+ Experience with supervised and unsupervised learning methods for model build and deployment
+ Experience applying computational algorithms and statistical methods to structured and unstructured data
+ Experience of the US Healthcare sector
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application**
_All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy._
At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.
Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved.
#RPO #BBMRTS

Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.
**About the Role:**
In healthcare, evolution doesn't just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum.
As the fastest growing part of the UnitedHealth Group family of businesses, we're expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We'll provide the investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive.
Are you a self-starter with a passion for innovation, adaptability, and solving complex problems? If so, this opportunity could be the next big step in your career. We're building powerful data capabilities to uncover breakthrough solutions and unlock untapped opportunities in the marketplace.
If you thrive in fast-paced, evolving environments and are driven by the desire to make a meaningful impact, we want to hear from you. Join us and start doing your life's best work.
Join our dynamic and forward-thinking Data Analytics team as a Principal Data Scientist, where you'll play a pivotal role in transforming how we manage Out-of-Network healthcare services. This is a high-impact position focused on driving innovation, reducing medical costs, and enabling scalable growth through data-driven strategies.
In this role, you will partner with our IT teams to development data pipelines, and you will lead advanced analytics initiatives that empower our organization with intelligent, actionable insights. Your work will directly influence Senior Leadership's strategic decision-making, accelerate our speed-to-market, and enhance our competitive edge by embedding a data-first mindset across the business.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin office and telecommuting from a home-based office._
**Primary Responsibilities:**
- Act as a functional SME for Data Science within the Data and Analytics team and wider business
- Work alongside IT and data analysts to design and implement models and experiments from end to end, including data ingestion and preparation, feature engineering, analysis and modeling, model deployment, performance tracking and documentation
- Visualize out-of-network pattern changes and network exposures as provider market share and patient dynamics shift; create predictive models that advance our out-of-network business
- Analyze, review and interpret complex data through the development of case-studies, enabling the data to tell a story
- Understand and identify drivers of patterns/behaviors uncovered in data
- Contribute to the design and realization of analytical based tools/assets to identify and monitor non-standard patterns
- Collaborate cross-functionally with subject-matter experts to explore business problems and design solutions
- Share analysis and interpretation for operational and business review and strategic planning
- Contribute short and long term operational/strategic business activities through analysis
- Ideate and develop strategic solutions with business partners to mitigate rising trends in medical costs
- Develop recommended business solutions through research and analysis of data and business process and implement when appropriate
You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.
**Required Qualifications:**
- Bachelor's Degree in a relevant discipline (i.e. applied mathematics, physics, computer science) or relevant work experience
- Demonstrable success within a Data Science environment focused on agile thinking and innovative solutions, delivering complex and challenging projects
- Experience applying computational algorithms, statistical and programming methods using (R and Python) to structured and unstructured data
- Proven experience in understanding complex problems and datasets and driving data testing and strategic testing of ideas to come up with first-class solutions
- Demonstrated ability to own and lead projects that deliver real business value
**Preferred Qualifications:**
- MS/PhD in applied mathematics, physics, computer science, engineering, statistics, bioinformatics, actuarial science or similar numerical degree
- Experience and understanding of US healthcare system, billing of medical claims and associated data environments
- Experience creating Machine learning solutions to solve complex issues
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy.
At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.
Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved.
#BBMEMEA

**Minimum qualifications:**
+ Master's degree or equivalent in a quantitative discipline such as Math, Economics, Statistics, Engineering, Sciences, or equivalent practical experience.
+ 3 years of experience using analytics to solve product or business problems, coding (e.g., Python, R, SQL), querying databases or statistical analysis, or a relevant PhD degree.
+ Experience working with marketing and media data and transformations required for analytics.
**Preferred qualifications:**
+ Experience delivering marketing mix modeling and Geo-Experiments end-to-end.
+ Understanding of Bayesian approaches and modeling frameworks.
+ Proven ability to generate practical solutions for marketing analytics problems and use results to drive business change in partnership with cross-functional stakeholders.
Find the user. Find the magic. Connect the two. At its core, marketing at Google starts with the user and ends with technology, bringing both together in unconventional ways. Our job is to demonstrate how Google's products solve the world's problems - from the everyday to the epic, from the mundane to the monumental. And, we approach marketing in a way that only Google can - break the rules, redefine the medium, make the user the hero, and ultimately let the technology speak for itself.
As a Business Data Scientist in the Marketing team, you will support your team by delivering pieces of project work including supporting the implementation of data science solutions, supporting the improvement of data pipelines, or helping your team develop evaluation metrics that provide insights to the business. Specifically, as a Marketing Mix Modeling (MMM) specialist you will play a strategic and technical role in driving all things media, marketing, analytics, and partnering with internal teams to evaluate strategic initiatives. Using first-party and third-party data sources, you will create innovative solutions to demonstrate the effectiveness of Google's media investment. At Google-scale, this implies working on our industry's toughest challenges. Regardless of geographic location, the role will maintain a global scope and requires working with teams operating across regions and marketing entities.
**Responsibilities:**
+ Provide support in media strategy, measurement, and optimization that requires expertise in advanced analytics work, with special focus on Marketing Mix Models (MMMs).
+ Partner with internal teams in advanced analytics work including experimentation, measurement, and modeling.
+ Identify patterns and behaviors that are effective predictors of performance and critical drivers for a successful media plan.
+ Deliver customer-centric, data-driven approach, based on a people-based marketing strategy to build, segment, and test audiences for best business results.
+ Develop evaluation frameworks for large-scale models, new metrics, and investigate anomalies. Frame and solve ambiguous problems by scoping technical priorities and innovating on statistical methods.
Google is proud to be an equal opportunity workplace and is an affirmative action employer. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. See also and If you have a need that requires accommodation, please let us know by completing our Accommodations for Applicants form:

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start **Caring. Connecting. Growing together.**
As a Fortune 5 business, we're one of the world's leading healthcare companies. There are no limits here on the resources you'll have or the challenges you'll encounter.
We have been supporting global healthcare systems from Ireland and the UK for more than 20 years, building a dynamic and diverse team of more than 2,100 talented individuals. With a continued record of growth and stability, we're on the constant lookout for fresh talent to join our expanding teams.
As a Senior Software Engineer, you will be a fundamental part of a delivery project, leading one of our scrum teams within the Provider Tech space in Dublin. You will be working with a very technical piece of architecture and will collaborate with internal IT Specialists and strategic partners through all phases of the development life cycle.
**Schedule** : Full-time position, Monday - Friday with standard working hours
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin or Letterkenny Offices and telecommuting from a home-based office in a hybrid work model._
**Primary Responsibilities:**
+ Machine Learning Model Development:
+ Assist in designing and developing machine learning models to address business challenges
+ Perform data preprocessing and feature engineering
+ Support model selection and initial optimization
+ Model Deployment and Monitoring:
+ Assist in deploying machine learning models into production environments
+ Monitor model performance and suggest updates and improvements
+ Ensure models are reliable and maintainable
+ Data Science and Data Engineering:
+ Conduct exploratory data analysis and visualize data insights
+ Help develop and maintain data pipelines for efficient data processing
_You will be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in._
**Required Qualifications:**
+ Programming skills in Python, Spark/PySpark, Scala
+ Understanding with Machine Learning Frameworks and Libraries (e.g., PyTorch, scikit-learn, TensorFlow, MLflow, Keras, XGBoost)
+ Experience with big data technologies, such as Hive, Kafka, Apache Hadoop and Apache Spark
+ Experience with cloud platforms, particularly AWS AI services (Bedrock, SageMaker) and/or Azure OpenAI Service
+ Proven experience in developing and deploying LLM-powered applications in production
+ Understanding of modern NLP techniques (e.g. transformers, embeddings, prompt engineering)
+ Experience with foundation models and generative AI platforms (e.g. OpenAI, Anthropic, open-source models)
+ Experience in building RAG solutions with vector databases (e.g. pgvector, Pinecone, OpenSearch)
+ Exposure to AI orchestration frameworks such as LangChain, LangGraph and others
+ Familiarity with MLOps practices (deployment, monitoring, model lifecycle)
**Preferred Qualifications:**
+ Knowledge of data warehousing principles and best practices
+ Familiarity with data modelling and data management techniques
**Soft Skills:**
+ Communication and collaboration skills
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
_All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy._
_At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission._
_Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer, and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveler community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2024 Optum Services (Ireland) Limited. All rights reserved._
_#BBMEMEA_

Optum is a global organisation that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.
**About the Role:**
In healthcare, evolution doesn't just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum.
As the fastest growing part of the UnitedHealth Group family of businesses, we're expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We'll provide the investment, support, and resources to advance your career. You'll provide the talent, ambition, and drive.
The **Principal Data Scientist** will partner with Pharmacy business units to build scalable solutions to business problems. The role requires strong collaboration with internal partners to set the analytics direction and to deliver on identified opportunities. The successful candidate will contribute to creating and maintaining clear, strategic vision and a plan for bringing actionable, innovative analytic solutions to fruition.
_Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin or Letterkenny office and telecommuting from a home-based office._
**Primary Responsibilities:**
- Direct and implement analytic activities to support decision-making for UnitedHealthcare Pharmacy.
- Collaborate with different lines of business to understand their analytic needs, propose & deliver business solutions and drive change.
- Solve high visibility & high complexity problems, requiring strong domain knowledge & statistical understanding.
- Provide technical leadership across the department to support various teams with their data science challenges, helping code and review where appropriate.
- Build scalable data solutions for core business functions
- Anticipate customer needs, proactively develop & deliver solutions to meet them, and forecast/predict the impact of business strategies.
- Research, interpret, and analyse diverse and complex data and communicate findings to influence the business direction.
- Utilise a broad range of analytic approaches including predictive analytics, issue detection, trend analysis, and data visualisation to best address the business priorities.
You will be rewarded and recognised for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.
**Required qualifications:**
- Degree Qualified (BA, BS) in relevant field (analytics, mathematics, economics, business, statistics, engineering, or finance) or equivalent experience
- Significant experience in data analytics or data science, ideally with experience working with financial or healthcare-related data (e.g. pharmaceuticals, medical claims).
- Experience working with messy data and imputation techniques. The ideal candidate will be able to identify and address data quality issues and use imputation techniques to fill in missing data where appropriate.
- Proficient in researching, interpreting, and analysing diverse and complex data.
- Extensive data manipulation skills across structured and unstructured sources/repositories such as relational and non-relational databases, CSV's, API's, text, Excel, etc.
- Proficiency in SQL and at least one scripting language such as R or Python.
- Demonstrated effective project ownership, management, drive & delivery
- Stakeholder management experience, dealing with multiple stakeholders, and forming effective partnerships.
- Strong business acumen, with the ability to strategically consult with the business.
- Demonstrated ability to communicate ideas clearly and concisely in writing and orally to individuals and groups.
**Preferred Qualification:**
- Proficiency in a visualisation tool like Excel, Tableau, PowerBI or QlikView/QlikSense etc.
- Experience or knowledge with cloud-based data analytics e.g. (AWS, Azure, Snowflake, Databricks)
- Masters and/or PhD in Finance, Analytics, Economics, Mathematics, Econometrics, or other relevant field of study
- Experience in healthcare industry, especially drug pricing
**Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.**
All telecommuters will be required to adhere to the UnitedHealth Group's Telecommuter Policy.
At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalised groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.
Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved.
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