Description
Mastercard is seeking a Principal Software Engineer to join their team in O'Fallon, Missouri.
As a Principal Software Engineer, you will collaborate with stakeholders across Product, Technical, Business Operations, and other Mastercard teams to understand product requirements and lead the design and architecture of scalable solutions.
Key responsibilities include:
- Designing software architecture in alignment with Mastercard standards and presenting solutions to the Solution Architecture Board for approval
- Developing and supporting application software in adherence to Mastercard's standards, processes, and best practices
- Delivering high-quality, secure, and scalable software solutions aligned with the product roadmap, within time and budget constraints
- Researching and evaluating technical solution alternatives to meet business needs
- Creating and maintaining system and testing documentation per departmental standards
- Ensuring compliance with audit requirements and Mastercard's QA/QC processes
- Modernizing and simplifying existing architectures to enhance scalability, performance, and operational efficiency
- Championing engineering excellence through hands-on contributions and collaborative leadership
- Supporting the collection and reporting of project and software metrics
- Mentoring and coaching team members to foster engineering leadership
The ideal candidate will have:
- A Bachelor's degree in Information Technology, Computer Science, or a related field
- Extensive software development experience with a strong track record of delivering enterprise-grade solutions
- Strong knowledge of card ecosystem including Loyalty, Clearing, Fraud, Disputes, Issuer, Acquirer & Merchant domains
- Deep understanding of software engineering concepts, methodologies, and Agile/SAFe Agile practices
- Proven expertise in software architecture, design, and application development
- Strong communication skills (verbal and written) and the ability to quickly learn and apply new technologies and frameworks
- High energy, detail-oriented, proactive, and capable of working under pressure to meet deadlines
- Strong collaboration and organizational skills with a high degree of initiative and self-motivation
- Ability to work effectively in a matrixed, geographically distributed team environment
- Excellent troubleshooting skills and a proactive approach to problem-solving
- Experience building high-performing, secure applications with a strong grasp of architecture, performance, and security principles
- Proficiency in Java-based systems and services, cloud technologies (Azure/AWS), AI/ML, Gen AI and microservices architecture
- Expertise in Spring, RESTful services, API design principles, and best practices
- Familiarity with data modeling, database design, data warehousing, Oracle, Redis, and reporting technologies
- Strong knowledge of Mastercard privacy by design
In terms of benefits, Mastercard offers a competitive base salary, annual bonus or commissions, insurance, flexible spending account and health savings account, paid leaves, 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 more.