Senior Software Engineer (Java/Python and Database)

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 Software Engineer (Java/Python and Database)

Overview
We are 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, a technology innovation lab, and the home of Priceless®. 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. We believe in connecting everyone to endless, priceless possibilities.
Our team within Mastercard – Services:
The Services org is a key differentiator for Mastercard, providing the cutting-edge services that are used by some of the world's largest organizations to make multi-million dollar decisions and grow their businesses. Focused on thinking big and scaling fast around the globe, this agile team is responsible for end-to-end solutions for a diverse global customer base. Centered on data-driven technologies and innovation, these services include payments-focused consulting, loyalty and marketing programs, business Test & Learn experimentation, and data-driven information and risk management services.
 
Data Analytics and AI Solutions (DAAI) Program:
Within the D&S Technology Team, the DAAI program is a relatively new program that is comprised of a rich set of products that provide accurate perspectives on Portfolio Optimization, and Ad Insights. Currently, we are enhancing our customer experience with new user interfaces, moving to API and web application-based data publishing to allow for seamless integration in other Mastercard products and externally, utilizing new data sets and algorithms to further analytic capabilities, and generating scalable big data processes. 
We are looking for an innovative data engineer who will lead the technical design and development of an Analytic Foundation.  The Analytic Foundation is a suite of individually commercialized analytical capabilities (think prediction as a service, matching as a service or forecasting as a service) that also includes a comprehensive data platform. These services will be offered through a series of APIs that deliver data and insights from various points along a central data store. This individual will partner closely with other areas of the business to build and enhance solutions that drive value for our customers.
Engineers work in small, flexible teams. Every team member contributes to designing, building, and testing features. The range of work you will encounter varies from building intuitive, responsive UIs to designing backend data models, architecting data flows, and beyond. There are no rigid organizational structures, and each team uses processes that work best for its members and projects.
Here are a few examples of products in our space:
Portfolio Optimizer (PO) is a solution that leverages Mastercard’s data assets and analytics to allow issuers to identify and increase revenue opportunities within their credit and debit portfolios.   
Ad Insights uses anonymized and aggregated transaction insights to offer targeting segments that have high likelihood to make purchases within a category to allow for more effective campaign planning and activation.
Role
As a Senior Software Engineer, you will:
Lead the scoping, design and implementation of complex features
Lead and push the boundaries of analytics and powerful, scalable applications
Design and implement intuitive, responsive UIs that allow issuers to better understand data and analytics
Build and maintain analytics and data models to enable performant and scalable products
Ensure a high-quality code base by writing and reviewing performant, well-tested code
Mentor junior software engineers and teammates
Drive innovative improvements to team development processes
Partner with Product Managers and Customer Experience Designers to develop a deep understanding of users and use cases and apply that knowledge to scoping and building new modules and features
Collaborate across teams with exceptional peers who are passionate about what they do
All about you / Ideal Candidate Qualifications
6+ years of full stack engineering experience in an agile production environment
Experience leading the design and implementation of complex features in full-stack applications
Experience leading a large project and working with other developers
Strong technologist eager to learn new technologies and frameworks. The following is a plus:
Proficiency with .NET/C#, React, Redux, Typescript, Java JDK 8, Tomcat, Spring Boot, Spring Security, Maven, Hibernate / JPA, REST, and SQL Server or other object-oriented languages, front-end frameworks, and/or relational database technologies
Solid experience with RESTful APIs and JSON/SOAP based API
Experience with SQL, Multi-threading, Message Queuing & Distributed Systems.
Experience with Design Patterns.
Expertise in Junit or other automated unit testing frameworks.
Knowledge of Splunk or other alerting and monitoring solutions.
Fluent in the use of Git, Jenkins.
Knowledge of cloud native development such as cloud foundry, AWS, etc.
Customer-centric development approach
Passion for analytical / quantitative problem solving
Ability to identify and implement improvements to team development processes
Strong collaboration skills with experience collaborating across many people, roles, and geographies
Motivation, creativity, self-direction, and desire to thrive on small project teams
Superior academic record with a degree in Computer Science or related technical field
Strong written and verbal English communication skills

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.