Hiring: Senior Software Engineer Company: Mastercard Location: O'Fallon, MO Job Posted Time: 2026-09-10 11:54:38 Target Skills & Keywords : AES, AWS, Agile, Azure, CI/CD, Docker, Dynatrace, Encryption, Event-Driven, GitHub, Grafana, Integration Testing, Java, Jenkins, Kafka, Kubernetes, Maven, Microservices, Microsoft Excel, Mockito, MongoDB, OAuth2, OWASP, OpenTelemetry, PKI, PostgreSQL, Prometheus, REST, RSA, Redis, Root Cause Analysis, Splunk, Spring, Spring Boot, TLS About the job Required Skills: •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. Qualifications: •Deep hands-on experience building Java-based distributed systems, with strong knowledge of performance, scalability, and resiliency principles. •In-depth knowledge of Agile, DevOps, CI/CD, and modern software delivery practices. •Hands-on experience supporting containerized workloads on Kubernetes, PCF, AWS, or Azure. Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!