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Senior Data Scientist

Mastercard -
Dublin, County Dublin

Apply Now

Job details

Full-time
1 hour ago

Qualifications

Power BI
Big data
Spark
Git
Tableau
AI
Python
Hadoop

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

Senior Data Scientist

Who is Mastercard?

Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.

Overview

Are you an experienced data scientist with a passion for technological innovation, have a can-do attitude and strong sense of ownership? The Small and Medium Enterprise (SME) platform is the perfect opportunity for you to assist in the design & development of a world-class unified platform, enabling Small and Medium Enterprises globally.

The SME team is looking for a senior data scientist to own the development of machine learning models and business intelligence projects. You will also work closely with cross-functional teams, including data engineers, data analysts, and software engineers, to drive data-driven decision making throughout the organization.

Key Responsibilities

Analyze various data sources to deliver data-driven and actionable insights for small and medium-sized enterprises in Mastercard network.
Develops sophisticated multivariate models and analytic solutions (e.g., dashboards, machine learning models), utilizing complex statistical and data science techniques and methods.
Self-stater that can work independently with ambiguous requirements and proactively identify insights opportunities from the data.
Communicate with cross functional teams and business partners to help drive their ability to leverage insights from data.

All about you

Demonstrated ability to combine, interrogate, and manipulate large data sets using big data tools (Hadoop, spark etc)
Extensive experience of using common programming languages (Python preferred) and different statistics and machine learning libraries (Pandas, scikit-learn, PySpark etc)
Understand the trade-off between different machine learning model validation metrics (AUC, recall etc.) to achieve the most optimal mode performance based on the business needs.
Knowledge of version control systems (Git etc).
Ability to directly communicate with business partners to translate statical findings into business insights.
Experience with BI visualization tools (Tableau, Domo, Power BI etc) is highly preferred.
Experience of optimizing big data ETL pipeline is preferred.
Good to have experience of software engineering.

What makes you stand out

Experience in deploying machine learning models to cloud-based production environments.
Experience with Databricks.
Experience with the innovative application of Generative AI in commercial settings.
Background in the financial industry.
Solid foundation in software engineering, with a focus on maintaining high code quality, effective version control, and rigorous testing practices, ensuring the development of robust and reliable software solutions.

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

data quality senior analyst jobs

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EHR Laboratory Build Team Member

Senior Cybersecurity Engineer

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Senior Full-Stack Software Engineer (VP)

Senior Software Engineer - Fixed Income Derivatives

FS Technology Consulting - Technical Delivery Lead - Channels and Mobile - Mgr-Senior Mgr - Dublin

Software Engineering (Full Stack), Charles River Development, Assistant Vice President

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