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Software Engineer II

Mastercard

Warsaw, Poland permanent

Posted: May 14, 2026

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Quick Summary

We are seeking a highly skilled Software Engineer II to join our Customer Delivery Test team, responsible for delivering high-quality software solutions that meet our customers' needs.

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

Software Engineer II

Overview
The Customer Delivery Test team is looking for a Senior Quality Assurance Analyst - Software Testing & Quality Assurance to drive our customer experience strategy forward by consistently innovating and problem-solving. The ideal candidate is passionate about the customer experience journey, highly motivated, intellectually curious, analytical, and possesses an entrepreneurial mindset.
Role
• Adheres to and implements enterprise quality standards, processes and tools, and develops and implements build control strategies or QA tools/processes
• Understanding of Automation tools like Selenium. Sound knowledge on Java/Python.
• Interacts with business and development teams to define test plans and schedules
• Translates complex system requirements and specs into test requirements and testing methods
• Identifies and implements more complex automation efforts

All About You
• Relevant IT experience including being involved on IT projects on a full-time basis
• Able to mentor peers and guide less experienced Team members
• Experience with different software development methodologies - Agile, Waterfall
• Ability to analyze application logs and assist engineers by utilizing basic debugging techniques
• Experience working in projects across functions within and outside of IT
• Experience with Payment Domain

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.

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