MasterCard

Principal Software Engineer

MasterCard$138K — $221K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5-10 years of experience in software design, architecture, and support for production software.
  • Proven track record as a software architect or senior technical lead in complex systems.
  • Deep knowledge of distributed systems, cloud-native platforms, security, and modern architecture.
  • Strong understanding of the product development lifecycle (PDLC) from concept to production.
  • Hands-on experience in prototyping and using AI-assisted coding tools.
  • Exceptional communication skills for diverse audiences, including technical and non-technical stakeholders.
  • Experience in payments, commerce, fraud, identity, or cybersecurity is preferred.

Responsibilities

  • Define and design reusable solution architectures and shared components for Security Solutions initiatives.
  • Translate business and product needs into actionable engineering architecture concepts.
  • Evaluate trade-offs among scalability, security, and maintainability in architecture solutions.
  • Collaborate with cross-functional teams to optimize product development lifecycles and mitigate risks.
  • Develop prototypes and proofs of concept to validate architecture and demonstrate feasibility.
  • Interface with emerging technologies focusing on AI agents and cloud-native solutions.
  • Create technical documentation and architecture diagrams for alignment with stakeholders.

Benefits

  • Opportunity to work on cutting-edge AI-driven solutions.
  • Engage with cross-functional teams across Product, Engineering, and Security.
  • Chance to influence technical direction with a broad impact.
  • Use modern coding tools and methodologies to drive innovation.
  • Access to continuous learning and professional development opportunities.
Full Job Description
Title and Summary

Principal Software Engineer

Overview:
The Principal Engineer shapes technical architecture, solution patterns, and engineering approaches for strategic initiatives within Mastercard's Security Solutions Organization (SSO). Sitting within Solutions Engineering, the role partners across Product, Engineering, Data Science, Security, and Platform teams to turn business opportunities into practical architecture concepts, reusable patterns, and prototypes.
The role is primarily strategic but includes hands-on prototyping to validate concepts and accelerate decisions. It supports a range of emerging capabilities with a strong emphasis on reusability and cross-product platform thinking. Agentic Trust Data, Platforms & Non Network Intelligence is a key focus area, and this role will help define the architecture patterns and reusable foundations that enable Mastercard's agentic and AI-driven solutions to scale.

About the Role:
Architecture & Platform Strategy
• Define solution architectures, reusable patterns, and shared components across SSO initiatives.
• Translate product and business needs into clear engineering concepts and architecture options.
• Evaluate trade-offs across scalability, security, interoperability, and maintainability.
• Identify connective architecture and reusable capabilities across products and platforms.
Product Development Lifecycle Enablement
• Apply strong PDLC experience to move initiatives from concept through validation to production readiness.
• Partner with Product and Engineering teams to clarify technical requirements, dependencies, and risks.
• Ensure architecture decisions account for real-world delivery, supportability, and platform evolution.
Prototyping & Emerging Technology
• Build prototypes and proofs of concept to validate architecture assumptions and demonstrate feasibility.
• Use AI-assisted coding to accelerate exploration and development.
• Explore emerging technologies, with particular attention to agentic commerce, AI agents, non-network intelligence, modern APIs, and cloud-native platforms.
• Distinguish prototype work from production-grade implementation while informing product and engineering direction.
Communication & Influence
• Create clear architecture diagrams, technical narratives, and decision materials for varied audiences.
• Present concepts and recommendations to engineers, product leaders, and senior stakeholders.
• Drive cross-functional alignment and serve as a trusted technical advisor.

All About You:
• Extensive experience designing, building, and supporting production software.
• Strong background as a software architect, principal engineer, or senior technical lead.
• Deep knowledge of modern architecture, APIs, distributed systems, cloud-native platforms, and security.
• Strong PDLC experience across discovery, architecture, delivery, and production readiness.
• Hands-on experience building prototypes, proofs of concept, or reference implementations.
• Comfortable using AI-assisted coding tools to accelerate development and validation.
• Skilled at translating complex needs into practical technical approaches.
• Strong communicator across engineering, product, business, and executive audiences.
• Able to influence technical direction across teams without direct authority.
• Experience in payments, commerce, fraud, identity, cybersecurity, or trust platforms preferred.
• Experience with agentic commerce, AI agents, or generative AI is a strong plus.

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.


In line with Mastercard's total compensation philosophy and assuming that the job will be performed in Canada, the successful candidate will be offered a competitive pay based on location, experience and other qualifications for the role and may be eligible to participate in a discretionary annual incentive program. This posting reflects one or more current openings on our team.

Pay Ranges
Toronto, Canada: $138,000 - $221,000 CAD

Vancouver, Canada: $138,000 - $221,000 CAD

About MasterCard

Transactis transforms traditional paper billing and payment processing by enabling businesses of all sizes to replace paper bills, statements, invoices, payments and documents with more efficient digital alternatives. Transactis goes to market exclusively with resellers—financial institutions, technology companies, printers and business process outsourcers—to provide their customers with secure, configurable, white-label, industry-leading SaaS solutions. More than a technology provider to resellers, Transactis is a full-service business partner, delivering a broad and deep suite of sales, marketing, technical and operational support, empowering resellers to more successfully serve their clients. Transactis meets the strictest regulatory and compliance requirements including HIPAA, SSAE 16, PCI Level 1, and SOC 2. Transactis’ investors include ff Venture Capital, MacAndrews & Forbes, Metamorphic Ventures, Safeguard Scientifics, StarVest Partners, Capital One, Fifth Third Bank, PNC, TD Bank and Wells Fargo.

MasterCard Careers

Joining MasterCard offers more than just a job opportunity; it's a gateway to a career infused with innovation, leadership, and growth. As a global leader in payment solutions, MasterCard is at the forefront of the digital economy, driving transformation in the fintech sector.

Work You’ll Do

At MasterCard, your work impacts the global economy. Our team is dedicated to shaping the future of commerce with advanced payment technologies and robust security measures. By joining our team, you will collaborate with some of the brightest minds in technology and business, contributing to projects that enhance how people pay and get paid across the world.

Innovate and Lead

MasterCard is synonymous with innovation. We encourage our professionals to lead with creativity and vision, supported by our substantial investments in technology and research. Our leadership in the digital payments space is not just about technology, but also about the innovative minds that drive our company forward.

Grow Your Career

Career growth at MasterCard is dynamic and rewarding. With a plethora of job opportunities ranging from internships to executive positions, your potential for advancement is limitless. Our commitment to professional development is evident through comprehensive leadership and diversity training programs that prepare you for the next steps in your career.

Be Part of Our Diverse Team

Diversity and inclusion are the bedrock of our company culture. MasterCard’s global team is rich in diverse perspectives, and we believe this is key to our innovation. By joining us, you become part of a culture that values every individual’s unique background and experiences.

Benefits and Culture

MasterCard is committed to supporting our employees’ well-being both inside and outside of work. Our benefits package is designed to enhance your life and help you build a rewarding career. From health and wellness programs to flexible working arrangements, we ensure that our team members are well taken care of.

Explore Job Opportunities

Whether you’re starting out with an internship or seeking a leadership role, MasterCard offers positions that challenge your skills and push you towards personal and professional achievements. Our hiring process is thorough, ensuring that we match the right talent to the right roles.

Networking and Professional Development

Networking at MasterCard goes beyond connecting with colleagues; it involves engaging with industry leaders and innovators who are shaping the future of commerce. Our employees have access to a wide range of networking events, workshops, and seminars that enhance their skills and career trajectories.

Join Our Team

Search open positions that match your skills and interests on the MasterCard Careers page. We are looking for passionate, curious, and innovative team players who are ready to make a difference in the world of digital payments.

Stay Connected

Keep up to date with career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here. MasterCard is not just a company; it’s a place where you can shape your future and the future of commerce worldwide.

Apply Now

Ready to take the next step in your career? Update your resume, prepare for your interview, and apply for a position at MasterCard. Discover the exciting and rewarding opportunities that await you in a career at one of the world’s leading financial technology companies.

MasterCard Jobs and Careers

Empower your professional journey with MasterCard, where innovation, leadership, and growth come together to create transformative career experiences. Join us and make your mark in the evolving landscape of digital payments.
Learn more about MasterCard
Size
24,000 employees
Market Cap
$330.8 billion
Industry
Net Income
$6.4 billion
Founded
1966
5 Year Trend
+11.9%
Revenue
$15.3 billion
NASDAQ

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