Sr Software Engineer

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

Sr Software Engineer

Sr. Software Engineer

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 (https://www.mastercard.us/en-us/vision/who-we-are/diversity-inclusion.html) 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.
Overview:
The ‘Services within Mastercard’ division is responsible for acquiring, engaging, and retaining customers by managing fraud and risk, enhancing cybersecurity, and improving the digital payments experience. We provide value-added services and leverage expertise, data-driven insights, and execution.
Identity Verification (a program within Services), is the global standard in identity verification, providing businesses worldwide the ability to link any digital transaction to the human behind it. Our Identity Engine, the first and only of its kind, uses complex machine learning to combine features derived from the billions of transactions within our proprietary network and the data from our graph to deliver industry leading risk assessment solutions.
We are the Platform & API Team which is responsible for the customer facing APIs to our products and are looking for a Sr Software Engineer for our Budapest Hungary office. As a Sr Software Engineer, we are looking for someone who thrives on designing, coding and maintaining high performance data processing applications in functional programming on the JVM platform (which is primarily in Clojure), running on AWS. Our ideal candidate would have deep experience building internal and external latency sensitive APIs with functional programming using the most fitting tools and having the passion to champion new and exciting technologies to solve our unique and challenging problems.
Your ideal job should be one where you work in a development team and are empowered to make yourself and your team more productive on a daily basis. You should want to be part of a team where your desire to grow and learn are valued and aptly rewarded; where using and contributing to open source are looked upon as an asset; where innovating and executing are core to your teams' beliefs.
Role & Responsibilities:
• Work as part of a development Scrum team in an Agile environment that is geographically diverse
• Strong Functional Programming experience and skills.
• Responsible for the analysis, design, development, and delivery of software backend (REST API) solutions
• Define requirements for new applications and customization adhering to Mastercard standards, processes, and best practices
• Develop, customize, and test applications to integrate to Mastercard’s specifications
• Help mentor and guide other team members during all phases of the SDLC. Ensure adequate test coverage in Unit Testing, System Testing/Integration Testing and Performance Testing.
• Be part of a day-time team on-call schedule to support our APIs during customer use.
• Hybrid office where 3 day weekly average in office is expected.
All About You:
• Demonstrated software development experience in a professional development team setting.
• Strong willingness and ability to learn / take on challenging opportunities
• Possess strong communication skills -- both verbal and written – and strong relationship, collaborative and organizational skills.
• JVM experience, or experience with at least one object-oriented language (Java, C#, C++, Python, etc.) and ideally some prior exposure with functional programming (IE: Clojure) or other relevant languages
• Functional Programming experience.
• Knowledge of unit testing frameworks and source control systems; (Git / BitBucket a plus)
• Experience working with cloud-based server environments; (AWS ideally)
Helpful to have:
• Experience with Clojure, functional programming languages, JSON, HTTP, RESTful services
• Experience writing automated acceptance tests in Cucumber, RestAssured, etc. (used in CI/CD pipelines)
• Experience with SQL and NoSQL databases (Cassandra, Redis or Other)
• Experience working in a CI/CD environment. (Jenkins a plus)
• Experience with Confluence, JIRA and Agile
• Experience with customer facing, scalable, and performant RESTful APIs
• Experience with monitoring tools and supporting high customer traffic APIs
• An interest in fraud detection and security.
Education / Experience:
• Experience in delivering secure solutions in Financial / Fraud Services Sector is preferred. Broad understanding of Software Engineering Concepts and Methodologies is required. Demonstrate MC Core Competencies.
• Bachelor's degree in Information Systems, Information Technology, Computer Science or Engineering or equivalent work experience.
In return we offer a hybrid work environment including work from anywhere weeks as per Mastercard policy. Team and Tech Hub events such as in and out of office games, sport teams, hackathons, lunch n learns, regular office lunches and other events. Don’t forget the competitive salary, extended health benefits, flex-time schedules, and encouragement and support for professional development.
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.

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.