Senior Software Engineer

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

Senior Software Engineer

Overview:
Mastercard Send (part of the Mastercard Move portfolio) enables near real-time money movement across billions of card, bank, and digital accounts globally. Program participants (banks, businesses, and digital players) use Send to modernize domestic and cross-border payments, making funds available to recipients almost instantly. Send supports critical use cases such as disbursements, gig-economy payouts, and person-to-person transfers, accelerating a structural shift toward payment immediacy where timely access to funds can be economically and socially transformative.
Send has achieved strong adoption across banks, fintechs, and digital ecosystems and represents a significant growth engine within Mastercard. The program is on track to generate over $900M in revenue in FY2026 and is expected to grow by 50% over the next three years. For engineering applicants, Send offers the opportunity to build and operate a large-scale, real-time distributed system where reliability, performance, and trust directly translate into measurable business outcomes and meaningful socio-economic impact.

About the Role
As a Java Site Reliability Engineer (SRE) within the Mastercard Send team, you will play a critical role in designing, building, and operating highly resilient payment platforms that power near real-time money movement across the globe. You will combine strong software engineering expertise with operational excellence practices to ensure the reliability, scalability, security, and performance of mission-critical payment systems.

Role Responsibilities
• Design, develop, deploy, and support cloud-native Java applications and microservices that power Mastercard Send solutions.
• Build scalable, resilient systems using distributed architecture and cloud-native design patterns.
• Develop and maintain secure, high-performing APIs and backend services.
• Drive production reliability through observability, monitoring, incident response, and continuous improvement.
• Implement and champion SRE practices, including SLIs, SLOs, Error Budgets, and production readiness reviews.
• Automate deployments, testing, monitoring, and operational processes to improve reliability and reduce manual effort.
• Partner with product, platform, infrastructure, and security teams to deliver secure, scalable solutions.
• Optimize application and platform performance to support high-volume, real-time transaction processing workloads.
• Mentor engineers and promote software engineering and operational excellence best practices.

All About You
• Deep hands-on experience building Java-based distributed systems, with strong knowledge of performance, scalability, and resiliency principles.
• Experience developing enterprise applications using Java, Spring Boot, microservices, and cloud-native technologies.
• Experience translating business requirements into technical designs, architecture decisions, and API specifications.
• Strong understanding of Agile, DevOps, CI/CD, and modern software delivery practices.
• Experience applying data structures, software design principles, code reviews, secure coding practices, and automated testing (unit, functional, and integration) to build reliable, maintainable solutions. [Senior SE Skills | Excel]
• Experience with production support, on-call operations, incident management, root cause analysis, and service ownership.
• Experience implementing observability and monitoring solutions using tools such as OpenTelemetry and Dynatrace.
• Experience with encryption, secrets management, API security, and enterprise data protection standards.
• Experience with performance tuning, capacity planning, resiliency testing, and support of high-volume transaction systems.
• Hands-on experience supporting containerized workloads on Kubernetes, PCF, AWS, or Azure.
• Experience working in payment processing, financial services, or other high-volume transaction environments is preferred.

Key Technical Skills
Languages & Frameworks
• Java, Spring Framework, Spring Boot, Spring Batch, Spring Cloud
Architecture & Integration
• Microservices, REST APIs, Event-Driven Architecture, Apache Kafka
• Object-Oriented D