Mastercard Jobs

Job Information

MasterCard Senior Software Engineer in Dublin, Ireland

Our Purpose

We work 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. We cultivate a culture of inclusion ( for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.

Job Title

Senior Software Engineer

Who is Mastercard?

Mastercard is the global technology company behind the world’s fastest payments processing network. We are a vehicle for commerce, a connection to financial systems for the previously excluded, and a technology innovation lab. We ensure every employee has the opportunity to be a part of something bigger and to change lives. We believe as our company grows, so should you.

Position Overview

The Data Platform group within the Mastercard Data & Services organization builds common, high-performance, and easy-to-use solutions for data analytics, storage, and orchestration on our platform.

As a Senior Software Engineer, you will build high-performance platforms that advance how businesses all over the world unleash the most value from their data. As part of a multidiscipline team, you will design new products to understand and transform data, from front-end visualization of data processes to implementing robust and secure common code for scheduling, data deployment, storage and orchestration.

We work in small, flexible teams in a flexible hybrid working model. Every team member contributes to designing, building, and testing features. There are no rigid organizational structures, and each team uses processes that work the best for that team members and projects.

What is Data & Services?

The Data & Services Team (D&S) is a key differentiator for Mastercard. Focused on thinking big and scaling fast around the globe, this team is responsible for end-to-end solutions for a diverse global customer base. We combine our rich data assets and in-house technology to provide our clients with powerful insights and tools to drive fact-based decision making. Centered on data-driven technologies and innovation, our services include economic modeling, smart loyalty and marketing programs, test-and-learn business experimentation, and data-driven information/risk management. While specializing in the payments industry, Mastercard Data & Services also works closely with major retailers, airlines, and other enterprises, leveraging data and insights garnered from within and beyond its network.

We are looking for passionate and talented technologists, who share our vision for empowering our customers to make better fact-based decisions, to join us and shape the growth of our team.

Position responsibilities:

As a part of Data & Services, you will build revolutionary products that advance how businesses all over the world seize the most value from their data. As a Senior Software Development Engineer within Data Platform, you will:

  • Shape the vision and UI for a tool that will streamline complex data loads for hundreds of clients

  • Design and build secure and reusable data transformation processes

  • Design and build APIs for data deployment, identification, and distribution

  • Develop and own full stack applications using .NET and modern web development technologies, such as React and Typescript

  • Mentor and provide guidance to other team members

Ideal candidate qualifications:

  • Competence in one or more programming languages/technology stacks (our stack is .NET)

  • Flexibility to learn and work in different parts of the stack

  • Experience having worked on system design problems

  • Knowledge of application security principles and best practices

  • Technical foundation in full-stack development.

  • Proficiency in front end development e.g. React

  • Eager to contribute to discussions around UI/UX design

  • Interest in improving performance and design of data tools

  • Motivation, creativity, self-direction, and desire to thrive on small project teams

Had you been with us last month, you would have:

  • Contributed to the design, development, testing, and rollout of a new data discovery tool which allows client facing products to obtain shared data more quickly and efficiently

  • Redesigned parts of the UI of our data orchestration tool to simplify and speed up creation of data orchestration workflows

  • Designed new data transformation processes to integrate and process GIS data

  • Upgraded connection tools to interface with modern database storage technologies such as S3, allowing the tool to process data from a wider variety of sources

  • Refactored our credential management solution for authenticating with client-owned data stores to be more flexible and cut the time required to add support for a new data store technology (e.g. Snowflake, Azure Blobs) while not sacrificing security

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.

Everyone wants easier ways to pay;

we invent them.

Checkout lines are slow;

we speed them along.

Merchants want more sales;

we give them data and insights.

People need financial access;

we connect them.

Corporate purchasing is complicated;

we make it simple.

Commuters are busy;

we speed them on their way.

Governments need greater efficiencies;

we help create them.

Small businesses are virtual;

we give them access to a world of buyers.

Retailers want to fight fraud;

we provide the tools.

Requisition ID: R-182121