Principal Software Engineer In Test

    • O'Fallon, MO

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

Principal Software Engineer In Test


We are a St Louis based development team building high value, cloud native applications. We are looking for brilliant and passionate software engineers to join our team. In this role you will play a leading role in building out a world class engineering team and design and implement world class innovative, high volume web applications.

• Drive the quality/test strategy, evangelize industry leading development and test tools and methodologies.
• Design, code, document and test components / subsystems to a world class standard in an agile way
• Be solution oriented - guiding teams to deliver best in class applications with the users experience and product health at their core
• Work independently with teamwork spirit
• Drive technology innovation within Commercial and across the company
• Lead quality engineering design of various R&D projects
• Ensure adherence to established software development process
• Share knowledge of various technologies to other team members
• Mentor junior developers to technical leads.

About You:
• Do you love to code?
• Do you have a passion for product design and technology innovation and have a high energy, can-do attitude and strong sense of ownership /desire to succeed?
• Are you a talented software developer with a passion for delivering high quality, high performing and highly extensible software?
• Do you have a strong background in delivering high volume web services? Multiple examples of solutions deployed where you were a key quality engineer and coder.
• Background in Dev/Ops a distinct advantage.
• You strive to create highly intuitive and responsive products.

Key Technology Areas:
• Java/2JEE, Spring Boot, Python, API design, microservice architecture, Oracle
• JUnit, Selenium, JBehave

Due to COVID-19, most of our employees are working from home. We've implemented a virtual hiring process and continue to interview candidates by phone or video and are onboarding new hires remotely. We value the safety of each member of our community because we know we're all in this together.

Mastercard is an inclusive Equal Employment Opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.​

If you require accommodations or assistance to complete the online application process, please contact and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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