Senior Software Engineer
Core
Design, build, and operate highly scalable, low-latency distributed systems for real-time authentication and fraud detection.
Role type
Senior Software Engineer (Backend/Platform)
Builds
Authentication decisioning services, APIs, and real-time transaction processing components for Mastercard products.
Domain
Fintech / Payments / Fraud Prevention
Deliverable
production ML models | product features
Required skills
Java, distributed systems, microservices, Spring Boot, REST APIs, event-driven architectures, CI/CD, observability, secure coding, cloud-native technologies, containerization
Preferred skills
large-scale data processing, real-time transaction platforms
Technologies
Java, Spring Boot, REST, Cloud-native, Containers
Responsibilities
Design and develop highly available distributed services; own feature delivery from design to production; drive solution architecture balancing scalability and resiliency; develop APIs and real-time processing components; contribute to cloud adoption and platform modernization; troubleshoot complex production issues; partner with SRE on reliability and incident response; mentor junior engineers; champion engineering standards and best practices.
Seniority
Senior, hands-on IC with mentorship