Sr Principal Software Engineer
$212k-$339k
Mastercard3 days ago
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OnsiteFull-timeSenior
Summary
Mastercard is seeking a Sr Principal Software Engineer to join their team in O'Fallon, MO. The role focuses on driving innovation, architecture, and engineering excellence across the organization.
About the Role
As a Sr Principal Software Engineer, you will lead enterprise-wide initiatives, provide technical leadership and mentorship to engineering teams, architect solutions for complex systems, drive modernization and performance improvements, engage in public speaking, and promote best practices in software engineering and DevOps.
About You
Required:
- Proven experience leading large-scale global projects and architecting complex systems.
- Hands-on coding ability across multiple languages and platforms (Windows, Linux, Mainframe).
- Expertise in cloud architecture, DevOps, automation, and performance optimization.
- Deep understanding of SDLC methodologies, security standards (OWASP, CWE), and interoperability.
- Ability to evangelize engineering principles and reference architectures.
- Strong judgment in trade-offs and prioritization for regulatory, security, and business needs.
Benefits
- Competitive base salary with eligibility for an annual bonus.
- Comprehensive insurance package including medical, dental, and vision coverage.
- Flexible spending account and health savings account.
- Paid leaves including 16 weeks of new parent leave and up to 20 days of bereavement leave.
- 80 hours of Paid Sick and Safe Time, 25 days of vacation time, and 5 personal days.
- 401k with a best-in-class company match.
- Fitness reimbursement or on-site fitness facilities.
- Eligibility for tuition reimbursement.
Mastercard
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re building 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.
O'Fallon, MO