Principal Software Engineer

Job Title:

Principal Software Engineer

Overview:

Overview:

• Customer Connectivity is a global Mastercard team that designs, builds and supports service platforms that provide cryptographic, key management and certificate management functions utilized by global Mastercard application teams.

• The Customer Connectivity team develops and supports shared security services to be leveraged across Enterprise by consuming application teams. Our inventory of shared services include cryptography, certificate management, code signing, and key management.

• As a Principal Software Engineer for Cryptographic Security, you serve as a technical authority, providing comprehensive leadership and guiding critical decisions across our program and its technology and product partners. You act as a pathfinder, collaborating across organizational boundaries with architects, product managers, analysts, managers, and engineers to develop creative solutions for evolving our growing platform. As an enabler, you take a hands-on approach—experimenting, building, and mentoring engineering teams to successfully implement and deliver these solutions into production.

Role:

• Acts as a technical team leader and individual contributor, devoting a substantial portion of their time to hands-on work. Recognized as a subject matter expert and authority in their field, they promote innovation and propel organizational growth through their impactful contributions

• Lead complex, enterprise-wide initiatives that span multiple services and programs, collaborating with business and product owners, engineers, and architects to design and implement new services that enable the introduction of innovative products and bundles

• Responsible for the analysis, design, development and delivery of software solutions
• Defines requirements for new applications and customizations, adhering to standards, processes and best practices

• Set priorities, objectives, and drive deliverables within global technology domains and sub-domains and engage with the broader technical community to anticipate developments in innovation and evaluate new solutions for future business platform system requirements.

• Leverages input of partners and personal experience to make thoughtful decisions on technical direction

• Explain technical issues and solution strategies to stakeholders, ensure timely accomplishment of technical designs and delivery milestones and liaise with stakeholders to understand business needs

All About You

• You've built your career designing and developing high-performance, globally scalable platforms and key

• Early in your career, you earned a reputation for solving the toughest problems others couldn't crack. As your career advanced, so did the complexity of the challenges you tackled. While you still enjoy rolling up your sleeves, you now thrive on collaborating with others to address monumental challenges that no one can solve alone.

• Designing and crafting exceptional software is one of your greatest passions, but you understand that it's only part of the equation. You value collaborating with SRE, Engineering, and Infrastructure teams to ensure architectures are robust, systems are finely tuned, and your teams' code is optimized for its environment.

• Aware that your software serves as critical financial infrastructure for multiple nation-states, you balance hands-on leadership with a focus on ensuring SDLC and governance processes are both effective and responsible.

• Your intelligence and diligence are evident not because you talk about them but because you lead by example. Whether fostering inclusive ideation sessions where every voice is respected or staying in the trenches during production crises to resolve last-minute issues, you set a personal standard that defines the team's culture.

Proficiencies

• Profound experience in Key Management System

• Design and Architecture patterns – APIs, event-driven-services, batch-services, messaging systems

• Programming – Java, REST API, Microservices, Kafka, Axon, MQ, and Spring.

• Cloud and DevOps Architecture – Kubernetes, Docker, Chef, Azure, AWS

• Databases – PostgreSQL

• Tools – Eclipse or IntelliJ, Sonar, GIT, Maven, SQL Developer, Jenkins, CI/CD

Good To Have

• Experience in working with fast-paced, modern architecture using C++, JNI and HSM.

• Experience with cryptographic primitives, concepts, and protocols

• Experience with confidential computingTo find US Salary Ranges, visit People Place. Under the Compensation tab, select "Salary Structures." Within the text of "Salary Structures," click on the link "salary structures 2025," through which you will be able to access the salary ranges for each Mastercard job family. For more information regarding US benefits, visit People Place and review the Benefits tab and the Time Off & Leave tab.

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