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Lead Software Engineer



Software Engineering
O'Fallon, MO, USA
Posted on Thursday, June 27, 2024

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.

Title and Summary

Lead Software Engineer


The Mastercard Builders’ Enablement Program has an exciting opportunity for a Lead Software Engineer.

Our services enable Mastercard engineering teams to focus on delivering business value from ideation to market. The ideal candidate will help Mastercard developers efficiently build, test, and deliver secure, quality code.


This role involves working with a team of talented developers to develop high performance, high volume solutions. You will be responsible for:

• Designing and implementing Java-based capabilities for the Program.
• Develop high-quality, secure, scalable and maintainable software solutions.
• Apply best practices for automated testing, automated code quality, automated delivery & automated monitoring.
• Mentor the senior & junior engineers on your team through sound technical advice, UML documentation & code reviews
• Collaborate with Architects, Leads, Developers & Product Owners to ensure business value is delivered in a timely manner
• Advocating Mastercard Engineering Principles, Builders’ Enablement development standards, and Corporate Security guidelines
• Act as SME (Subject Matter Expert) for one or more initiatives to deliver an efficient and secure SDLC in Mastercard from the initial ideation to production deployment
• Work as part of a cross-functional and geographically distributed team to make our developer experience awesome
• Ensure that Developer Experience is central to everything we do
• Ensure that the team adheres to Mastercard Engineering Principles, Builders Enablement Development standards, and Corporate Security guidelines
• Actively participate as a member of the Software Engineering Guild sharing your knowledge, best practices, ideas, and passion for technology

• Proficiency in OOP/OOAD with Java JDK 8 or higher
• Knowledge of Tomcat, Spring Boot, Spring Security, Hibernate, REST microservices architecture.
• Experience with SQL, Multi-threading, Message Queuing & Distributed Systems
• Experience with Design Patterns and Enterprise Integration Patterns
• Experience with one or more Cloud platforms with a good working knowledge of availability zones, regions, security, Cloud APIs, virtual networking, and the capabilities and offerings of the various providers (e.g., Azure, AWS, and GCP)
• Expertise in Junit or other automated unit testing frameworks
• Knowledge of Splunk or other alerting and monitoring solutions
• Fluent in the use of Git, Jenkins
• Ability to define & implement best practices regarding Continuous Delivery / Deployment pipelines.
• Good working knowledge of container technologies
• Experience working in a regulated environment with secure software development practices (e.g., PCI DSS, GDPR)
• Experience in performance testing with JMeter, Gatling and similar tools
• Experience with building upon and contributing to innersource projects (e.g. CI/CD, Shared libraries, reusable automation & monitoring)
• Experience automating processes to improve developer efficiency
• Knowledge of Kubernetes is a plus

• Must be self-motivated and a team-player operating in a high performance environment

• Bachelor's degree in Information Technology, Computer Science, Electrical or an equivalent Engineering stream

Mastercard is an 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. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com 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 based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. 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 new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 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, gender-inclusive benefits and many more.