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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

Lead Software Engineer

Overview

The Cryptographic Security Team is a high-performing, collaborative group focused on building foundational security capabilities for enterprise applications.

This role involves designing, developing, and delivering secure solutions with a strong emphasis on cryptography and application security.

Candidates should have a deep technical understanding of systems, a passion for secure software development, and the ability to ask the right questions to ensure efficient execution.

Strong interest in Corporate Security Engineering and willingness to learn advanced cryptographic concepts is essential.

Role

Design and develop secure, scalable applications and services using modern back-end programming languages and tools such as Java (Spring Boot)/NodeJS/nginx

Integrate cryptographic services and APIs into enterprise applications using Java (Spring Boot)/NodeJS

Collaborate with teams to define secure mechanisms for critical business functions in both on-premises and cloud environments.

Work closely with Hardware Security Module (HSM) vendors for lifecycle management and integration.

Contribute to architecture and standards for cryptography, PKI, and key management across SDLC, including CI/CD pipelines.

Implement automation for deployment and configuration of security components.

Identify performance bottlenecks and optimize application performance.

Participate in technical feasibility assessments and provide guidance on secure development practices.

All About You

Advanced experience developing with Java (Spring Boot), C/C++, or Python for building enterprise-grade applications.

Advanced experience with enterprise Linux (RHEL, Oracle, etc.)

Solid understanding of software engineering principles and secure coding practices.

Experience with RESTful APIs, microservices architecture, and integration patterns.

Exposure to CI/CD tools and cloud platforms (AWS, Azure, or GCP).

Experience with cryptography (encryption, hashing, TLS, PKCS#11) and ability to learn back-end development

Excellent problem-solving skills and ability to communicate technical concepts effectively.

Nice to Have

Experience with HSMs (Luna, Entrust, Utimaco, Payshield).

Knowledge of secure software development lifecycle and DevSecOps practices.

Familiarity with containerization (Docker, Kubernetes).

Experience with Jenkins or similar CI/CD tools.

Understanding of cryptographic libraries and frameworks in Java.

Mastercard is a merit-based, inclusive, equal 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. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact [email protected] 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.

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 the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); 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, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more.

Pay Ranges

O'Fallon, Missouri: $138,000 - $221,000 USD