
Software Engineer II – Notification Manager
Mastercard20 days ago
O'Fallon, MO, USAMid Level / Senior
H1B sponsor
Base Salary
$92k - $147k/yr
Responsibilities
- Design, develop, test, maintain, and support Java/Spring Boot microservices for the Notification Manager platform.
- Implement enhancements, new features, defect fixes, and automated unit, integration, and API tests.
- Contribute to Kafka-based event-driven architecture, service decomposition, resiliency improvements, performance optimization, and cloud-native deployment.
- Participate in production support, incident response, root cause analysis, monitoring, troubleshooting, and release readiness activities.
- Collaborate with Product, TPMs, Architects, QA, and partner engineering teams on roadmap delivery and technical design.
- Document technical work, share knowledge, and mentor junior engineers where appropriate.
Requirements
- Bachelor’s degree in Computer Science, Engineering, or equivalent experience.
- 2–5 years of software development experience.
- Experience developing applications with Java and Spring Boot.
- Understanding of REST APIs, microservice architectures, messaging, and event-driven systems.
- Experience with source control, code reviews, CI/CD practices, SQL, and relational databases.
- Strong troubleshooting and problem-solving skills, with the ability to work independently and collaboratively.
- Preferred experience with Kafka, MQ, cloud platforms, PCF/Tanzu, Kubernetes, containerized workloads, distributed systems, observability tools, automated testing frameworks, PCI or regulatory requirements, and high-volume transaction processing.
Benefits
- Full-time benefits generally include medical, prescription drug, dental, vision, disability, and life insurance; flexible spending and health savings accounts; paid leave; vacation and personal days; paid U.S. holidays; 401(k) company match; deferred compensation for eligible roles; fitness benefits; and tuition reimbursement.
- The stated U.S. base salary range for O’Fallon, Missouri is $92,000–$147,000.
- The posting intends to fill the position by December 22, 2026, or as soon as possible if that date has passed.
Tech Stack
Categories
About Mastercard
Mastercard builds and operates a global payments network used by banks, merchants, fintechs, and governments, offering card processing, real-time payments, tokenization, and fraud/risk services. It generates revenue from transaction processing and assessment/service fees across more than 200 countries and territories. Founded in 1966 and headquartered in Purchase, New York, Mastercard is a public company listed on the NYSE (ticker: MA).