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Senior Software Engineer - Python, SQL & Big Data



Software Engineering
Prague, Czechia · Prague, Czechia · Czechia
Posted on Friday, May 24, 2024

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.

Title and Summary

Senior Software Engineer - Python, SQL & Big Data Our team within Mastercard

SpendingPulse provides economic insights to our customers including financial institutions, merchants, and governments. We analyze datasets with billions of transactions across geographies and sectors using Big Data technologies including Spark, Hive, and Impala. We are looking for an innovative data engineer who can design and build data pipelines, thriving in a fast-paced agile team. This individual will collaborate closely with our Data Science, Product Management, User Interface, and Data Warehouse teams, with team members in Prague, United States, and India. Every team member contributes to designing, building, and testing new features. The range of work you will encounter includes building new data pipelines, making data-driven decisions, creating data visualizations, and improving the reliability and performance of existing pipelines that run on our massive transaction dataset.

The SpendingPulse team is currently scaling the product globally, designing and building the infrastructure that will facilitate quality control and distribution of SpendingPulse results to consumers. As the product continues to expand, the team will add support for additional analytics, publish data on a more timely cadence, improve the automation of processes, and increase the robustness of the platform.

The SpendingPulse team is part of Mastercard's Data & Services organization. The Data & Services team 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. Focused on thinking big and scaling fast around, Data & Services 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, Test & Learn experimentation, and risk management services.

Position Responsibilities

As a Senior Software Engineer in data pipeline team, you will:

Build scalable and maintainable data pipelines that allow us to expand SpendingPulse with new features and deliver insights from economic trends

Drive performance, reliability, and readability in our code base, allowing us to troubleshoot quickly and publish data consistently

Test your code and review code from other team members

Continuously innovate and determine new approaches, tools, techniques, and technologies to solve business problems

Partner with roles across the organization including consultants, engineering, and sales to determine the highest priority problems to solve

Collaborate across teams with exceptional peers who are passionate about what they do

Ideal Candidate Qualifications

Data engineering experience in an agile production environment
Proficiency with SQL, writing readable and well-tuned queries
Proficiency with Python. Understanding of object-oriented software design.
Familiarity Linux command line
Experience with big data technologies is a bonus
Clear communicator; Strong written and verbal English skills
Motivation, creativity, self-direction, and desire to thrive on small project teams
Ability to collaborate within the team across roles and communicate with teammates who have varying levels of technical understanding
Strong technologist eager to learn new tools and frameworks
Passion for analytical / quantitative problem solving
Eager to experiment with new team processes and innovate on development approaches

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.