Mastercard: Principal Software Engineer

🌐 About the Company

Mastercard is a global leader in the payments technology space, empowering economies and individuals in over 200+ countries. With a mission to connect and power an inclusive, digital economy, Mastercard builds innovative solutions that make transactions secure, simple, and smart.

Join a purpose-driven team where decency, collaboration, and innovation thrive.

👨‍💻 About the Role

We’re hiring a Principal Software Engineer to join the Transfer Solutions team – Mastercard’s innovation hub for real-time payments. As a technology leader, you’ll play a pivotal role in shaping the architecture, driving modern engineering practices, and mentoring engineering teams.

You’ll be expected to spend 70% of your time coding and leading by example while dedicating the remaining time to coaching and guiding engineers in building highly scalable, resilient systems.

🔧 Key Responsibilities

• Lead design and development of distributed systems with a hands-on approach

• Champion Domain-Driven Design, microservices, contract-driven development, and test-driven development

• Guide implementation of fitness functions, feature flags, and automated architecture validation

• Mentor engineers and lead by writing clean, reusable, and modular code

• Collaborate with business and product owners to deliver next-gen real-time payment solutions

• Evangelize and implement engineering principles across the org

• Write and publish whitepapers or blogs, and represent Mastercard in technical communities

• Drive architectural reviews and resolve enterprise-wide engineering challenges

• Hire, coach, and promote top tech talent

💡 Desired Skills & Experience

• 10+ years of experience in building scalable and resilient distributed systems

• Expertise in Java, Spring Boot, Microservices, API Design, and Event-Driven Architecture

• Deep knowledge of DevOps, CI/CD, cloud infrastructure (AWS/GCP/PCF), infrastructure as code

• Experience with secure coding practices (OWASP, SEI CERT)

• Advanced understanding of design patterns, API gateways, lazy loading, and dependency injection

• Familiar with containerization and orchestration tools (Docker, Kubernetes)

• Strong grasp of performance engineering, architecture cost analysis, and chaos engineering

• Excellent problem-solving, collaboration, and leadership skills

• Experience with modern agile practices like Scrum, Kanban, DevOps, BDD/TDD

📈 Why Join Mastercard?

• Be part of a visionary team shaping the future of digital and real-time payments

• Work on high-impact, globally scalable projects

• Collaborate with world-class engineers, architects, and thought leaders

• Enjoy a culture of ownership, experimentation, and technical excellence

• Opportunities for thought leadership, innovation, and career growth

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